Common use of System Impact Study Clause in Contracts

System Impact Study. 6.1 The System Impact Study, unless otherwise waived upon the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessary. The System Impact Study shall state the assumptions upon which it is based, state the results of the analyses, and provide the requirement or potential impediments to providing the requested interconnection service, including a preliminary indication of the cost and length of time that would be necessary to correct any problems identified in those analyses and implement the interconnection. The system impact study report shall provide a list of facilities that are required as a result of the Interconnection Request and non-binding good faith estimates of cost responsibility and time to construct. 6.2 The System Impact Study shall consider all generating facilities and Class Year Transmission Projects (and with respect to paragraph 6.1.3 below, any identified Upgrades associated with such higher queued interconnection) that, on the date the System Impact Study commences under the SGIP, - are directly interconnected with the New York State Transmission System or distribution facilities; - are interconnected with Affected Systems and may have an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities in accordance with Attachment S to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with the Federal Energy Regulatory Commission (“FERC”). 6.3 Affected Systems may participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity to review and comment on the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systems.

System Impact Study. 6.1 The System Impact Study, unless otherwise waived upon the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessary. The System Impact Study shall state the assumptions upon which it is based, state the results of the analyses, and provide the requirement or potential impediments to providing the requested interconnection service, including a preliminary indication of the cost and length of time that would be necessary to correct any problems identified in those analyses and implement the interconnection. The 3.4.1 A system impact study report shall provide a list of facilities identify and detail the electric system impacts that are required as a would result if the proposed Small Generating Facility were interconnected without project modifications or electric system modifications, focusing on the adverse system impacts identified in the feasibility study, or to study potential impacts, including but not limited to those identified in the scoping meeting. A system impact study shall evaluate the impact of the proposed interconnection on the reliability of the electric system. 3.4.2 If no transmission system impact study is required, but potential electric power Distribution System adverse system impacts are identified in the scoping meeting or shown in the feasibility study, a distribution system impact study must be performed. The Transmission Provider shall send the Interconnection Request Customer a distribution system impact study agreement within 15 Business Days of transmittal of the feasibility study report, including an outline of the scope of the study and a non-binding good faith estimates estimate of the cost responsibility and time to constructperform the study, or following the scoping meeting if no feasibility study is to be performed. 6.2 3.4.3 In instances where the feasibility study or the distribution system impact study shows potential for transmission system adverse system impacts, within five Business Days following transmittal of the feasibility study report, the Transmission Provider shall send the Interconnection Customer a transmission system impact study agreement, including an outline of the scope of the study and a non-binding good faith estimate of the cost to perform the study, if such a study is required. 3.4.4 If a transmission system impact study is not required, but electric power Distribution System adverse system impacts are shown by the feasibility study to be possible and no distribution system impact study has been conducted, the Transmission Provider shall send the Interconnection Customer a distribution system impact study agreement. 3.4.5 If the feasibility study shows no potential for transmission system or Distribution System adverse system impacts, the Transmission Provider shall send the Interconnection Customer either a facilities study agreement (Attachment 8), including an outline of the scope of the study and a non- binding good faith estimate of the cost to perform the study, or an executable interconnection agreement, as applicable. 3.4.6 In order to remain under consideration for interconnection, the Interconnection Customer must return executed system impact study agreements, if applicable, within 30 Business Days. 3.4.7 A deposit of the good faith estimated costs for each system impact study may be required from the Interconnection Customer. 3.4.8 The System Impact Study shall consider all generating facilities scope of and Class Year cost responsibilities for a system impact study are described in the attached system impact study agreement. 3.4.9 Where transmission systems and Distribution Systems have separate owners, such as is the case with transmission-dependent utilities ("TDUs") – whether investor-owned or not – the Interconnection Customer may apply to the nearest Transmission Projects Provider (and with respect Transmission Owner, Regional Transmission Operator, or Independent Transmission Provider) providing transmission service to paragraph 6.1.3 below, any identified Upgrades associated with such higher queued interconnection) that, on the date the System Impact Study commences under the SGIP, - are directly interconnected with the New York State Transmission System or distribution facilities; - are interconnected with TDU to request project coordination. Affected Systems and may have an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities in accordance with Attachment S to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with the Federal Energy Regulatory Commission (“FERC”). 6.3 Affected Systems may shall participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity study and provide all information necessary to review and comment on prepare the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systemsstudy.

System Impact Study. 6.1 4.3.1 In order to retain its Queue Position the Interconnection Customer must return a System Impact Study Agreement signed by the Interconnection Customer within 15 Business Days of receiving an executable System Impact Study Agreement as provided for in Section 4.2.3. 4.3.2 The scope of and cost responsibilities for a System Impact Study are described in the System Impact Study Agreement. The time allotted for completion of the System Impact Study shall be as set forth in the System Impact Study Agreement. 4.3.3 The System Impact StudyStudy shall identify and detail the electric System impacts that would result if the proposed Generating Facility were interconnected without project modifications or electric System modifications, unless otherwise waived upon or to study potential impacts, including, but not limited to, those identified in the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessaryscoping meeting. The System Impact Study shall state evaluate the assumptions upon which it is based, state the results impact of the analysesproposed interconnection on the reliability of the electric System, including the distribution and transmission systems, if required. 4.3.4 At the Utility’s option, and solely for purposes of administering a Commission-approved Competitive Resource Solicitation, a Utility may designate a Queue Number and act as authorized representative for Interconnection Customer(s) proposing a Generating Facility requesting to interconnect to the Utility’s System for evaluation through the Solicitation. The Utility shall evaluate combinations of such Interconnection Requests for purposes of conducting the System Impact Grouping Study(ies) of combinations of Generating Facilities within the Queue Number in order to achieve the resource need identified in the Competitive Resource Solicitation. Such studies in connection with a Competitive Resource Solicitation shall be implemented based upon the Queue Number relative to the Queue Position of all other Interconnection Requests. The Utility may also study an Interconnection Request separately to the extent provided for under the terms of the Competitive Resource Solicitation or if otherwise warranted by Good Utility Practice such as to evaluate the locational remoteness of a proposed Generating Facility. Through completing the System Impact Grouping Study(ies) of the requested combinations of Interconnection Requests, the Utility must select one of the studied combinations that achieves the capacity solicited through the Competitive Resource Solicitation Process prior to the start of any Interconnection Facilities Study. While conducting the Interconnection Facilities Study(ies) for the selected combination of resources, the Utility may suspend further study of the Interconnection Customers that have opted in to the System Impact Grouping Study that are not included in the selected combination and such customers may elect during this period to return to their original Queue Position, subject to 1.7.3, or participate in a new Competitive Resource Solicitation, if available. 4.3.5 The System Impact Study Report will provide the requirement or potential impediments to providing the requested interconnection servicePreliminary Estimated Upgrade Charge, including which is a preliminary indication of the cost and length of time that would be necessary to correct any System problems identified in those analyses and implement the interconnection. The system impact study report shall provide a list of facilities that are required as a result of the Interconnection Request and non-binding good faith estimates of cost responsibility and time to construct. 6.2 The System Impact Study shall consider all generating facilities and Class Year Transmission Projects (and with respect to paragraph 6.1.3 below, any identified Upgrades associated with such higher queued interconnection) that, on the date the System Impact Study commences under the SGIP, - are directly interconnected with the New York State Transmission System or distribution facilities; - are interconnected with Affected Systems and may have an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities in accordance with Attachment S to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with the Federal Energy Regulatory Commission (“FERC”). 6.3 Affected Systems may participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity to review and comment on the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systems.

System Impact Study. 6.1 The System Impact Study, unless otherwise waived upon the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessary. The System Impact Study shall state the assumptions upon which it is based, state the results of the analyses, and provide the requirement or potential impediments to providing the requested interconnection service, including a preliminary indication of the cost and length of time that would be necessary to correct any problems identified in those analyses and implement the interconnection. The ‌ 3.4.1 A system impact study report shall provide a list of facilities identify and detail the electric system impacts that are required as a would result if the proposed Small Generating Facility were interconnected without project modifications or electric system modifications, focusing on the adverse system impacts identified in the feasibility study, or to study potential impacts, including but not limited to those identified in the scoping meeting. A system impact study shall evaluate the impact of the proposed interconnection on the reliability of the electric system. 3.4.2 If no transmission system impact study is required, but potential electric power Distribution System adverse system impacts are identified in the scoping meeting or shown in the feasibility study, a distribution system impact study must be performed. The Transmission Provider shall use Reasonable Efforts to send the Interconnection Request Customer a distribution system impact study agreement within 15 Business Days of transmittal of the feasibility study report, including an outline of the scope of the study and a non-binding good faith estimates estimate of the cost responsibility and time to constructperform the study, or following the scoping meeting if no feasibility study is to be performed. 6.2 The 3.4.3 In instances where the feasibility study or the distribution system impact study shows potential for transmission system adverse system impacts, within five Business Days following transmittal of the feasibility study report, the Transmission Provider shall use Reasonable Efforts to send the Interconnection Customer a transmission system impact study agreement including an outline of the scope of the study and a non-binding good faith estimate of the cost to perform the study, if such a study is required. 3.4.4 If a transmission system impact study is not required, but electric power Distribution System Impact Study adverse system impacts are shown by the feasibility study to be possible and no distribution system impact study has been conducted, the Transmission Provider shall consider all generating send the Interconnection Customer a distribution system impact study agreement. 3.4.5 If the feasibility study shows no potential for transmission system or Distribution System adverse system impacts, the Transmission Provider shall send the Interconnection Customer either a facilities study agreement (Attachment 5), including an outline of the scope of the study and Class Year Transmission Projects (and with respect a non-binding good faith estimate of the cost to paragraph 6.1.3 belowperform the study, any identified Upgrades associated with such higher queued interconnection) that, on or shall decide whether to send the date the System Impact Study commences under the SGIP, - are directly interconnected with the New York State Transmission System or distribution facilities; - are interconnected with Affected Systems and may have Interconnection Customer an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities executable interconnection agreement in accordance with Attachment S section 3.5.7 of these procedures, as applicable. 3.4.6 In order to remain under consideration for interconnection, the Interconnection Customer must return executed system impact study agreements, if applicable, within 30 Business Days. 3.4.7 A deposit of the good faith estimated costs for each system impact study shall be required from the Interconnection Customer prior to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with initiation of the Federal Energy Regulatory Commission (“FERC”)study work. 6.3 3.4.8 The scope of and cost responsibilities for a system impact study are described in the attached system impact study agreement. 3.4.9 Where transmission systems and Distribution Systems have separate owners, such as is the case with transmission-dependent utilities ("TDUs") – whether investor- owned or not – the Interconnection Customer may apply to the nearest Transmission Provider (Transmission Owner, Regional Transmission Operator, or Independent Transmission Provider) providing transmission service to the TDU to request project coordination. Affected Systems may shall participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity study and provide all information necessary to review and comment on prepare the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systemsstudy.

System Impact Study. 6.1 The System Impact Study, unless otherwise waived upon the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessary. The System Impact Study shall state the assumptions upon which it is based, state the results of the analyses, and provide the requirement or potential impediments to providing the requested interconnection service, including a preliminary indication of the cost and length of time that would be necessary to correct any problems identified in those analyses and implement the interconnection. The 3.4.1 A system impact study report shall provide a list of facilities identify and detail the electric system impacts that are required as a would result if the proposed Small Generating Facility were interconnected without project modifications or electric system modifications, focusing on the adverse system impacts identified in the feasibility study, or to study potential impacts, including but not limited to those identified in the scoping meeting. A system impact study shall evaluate the impact of the proposed interconnection on the reliability of the electric system. 3.4.2 If no transmission system impact study is required, but potential electric power Distribution System adverse system impacts are identified in the scoping meeting or shown in the feasibility study, a distribution system impact study must be performed. Transmission Provider shall use Reasonable Efforts to send Interconnection Request Customer a distribution system impact study agreement within 3.4.3 In instances where the feasibility study or the distribution system impact study shows potential for transmission system adverse system impacts, within five Business Days following transmittal of the feasibility study report, Transmission Provider shall use Reasonable Efforts to send Interconnection Customer a transmission system impact study agreement including an outline of the scope of the study and a non-binding good faith estimates estimate of the cost responsibility and time to constructperform the study, if such a study is required. 6.2 The 3.4.4 If a transmission system impact study is not required, but electric power Distribution System Impact Study adverse system impacts are shown by the feasibility study to be possible and no distribution system impact study has been conducted, Transmission Provider shall consider all generating send Interconnection Customer a distribution system impact study agreement. 3.4.5 If the feasibility study shows no potential for transmission system or Distribution System adverse system impacts, Transmission Provider shall send Interconnection Customer either a facilities study agreement (Attachment 5), including an outline of the scope of the study and Class Year Transmission Projects (and with respect a non-binding good faith estimate of the cost to paragraph 6.1.3 belowperform the study, any identified Upgrades associated with such higher queued interconnection) that, on the date the System Impact Study commences under the SGIP, - are directly interconnected with the New York State Transmission System or distribution facilities; - are interconnected with Affected Systems and may have shall decide whether to send Interconnection Customer an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities executable interconnection agreement in accordance with Attachment S section 3.5.7 of these procedures, as applicable. 3.4.6 In order to remain under consideration for interconnection, Interconnection Customer must return executed system impact study agreements, if applicable, within 30 Business Days. 3.4.7 A deposit of the good faith estimated costs for each system impact study shall be required from Interconnection Customer prior to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with initiation of the Federal Energy Regulatory Commission (“FERC”)study work. 6.3 3.4.8 The scope of and cost responsibilities for a system impact study are described in the attached system impact study agreement. 3.4.9 Where transmission systems and Distribution Systems have separate owners, such as is the case with transmission-dependent utilities ("TDUs") – whether investor- owned or not – Interconnection Customer may apply to the nearest Transmission Provider (Transmission Owner, Regional Transmission Operator, or Independent Transmission Provider) providing transmission service to the TDU to request project coordination. Affected Systems may shall participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity study and provide all information necessary to review and comment on prepare the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systemsstudy.

System Impact Study. 6.1 4.3.1 In order to retain its Queue Position, the Interconnection Customer must return a System Impact Study Agreement signed by the Interconnection Customer within 15 Business Days of receiving an executable System Impact Study Agreement as provided for in Section 4.2.3. 4.3.2 The scope of and cost responsibilities for a System Impact Study are described in the System Impact Study Agreement. The time allotted for completion of the System Impact Study shall be as set forth in the System Impact Study Agreement. 4.3.3 The System Impact StudyStudy shall identify and detail the electric system impacts The Utility shall that would result if the proposed Generating Facility were interconnected without project modifications or electric system modifications, unless otherwise waived upon or to study potential impacts, including, but not limited to, those identified in the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessaryscoping meeting. The System Impact Study shall state evaluate the assumptions upon which it is basedimpact of the proposed interconnection on the reliability of the electric system, state including the distribution and transmission systems, if required. report System Impact Study Commented [A75]: December Suggestion from Dominion Energy: Dominion Energy: Incorporate “as reasonable” in the provision of analysis as model-specific info can be proprietary, for example. Commented [A76]: Strata Solar change (WG1) Comment from IREC: IREC supports requiring utilities to fully disclose the results of system impact studies. provide all underlying analysis used to reach the analyses, and conclusions set forth in the . 4.3.4 The System Impact Study report will provide the requirement or potential impediments to providing the requested interconnection servicePreliminary Estimated Upgrade Charge, including which is a preliminary indication of the cost and length of time that would be necessary to correct any System problems identified in those analyses and implement the interconnection. . 4.3.5 The system impact study System Impact Study report shall will provide the Preliminary Estimated Interconnection Facilities Charge, which is a list preliminary non-binding indication of facilities the cost and length of time that are required would be necessary to provide the Interconnection Facilities. 4.3.6 If the Utility has determined that an Interdependency exists and the Project is designated as a result Project B, the Project B Interconnection Request shall receive a System Impact Study report, addressing a scenario assuming Project A is constructed and a second scenario assuming Project A is not constructed. Commented [A78]: December Suggestion from Dominion Energy: Dominion Energy: Incorporate “as reasonable” in the provision of analysis as model-specific info can be proprietary, for example. fter receipt of the complete System Impact Study report(s), including the underlying analysis that led to the restsresults of the System Impact Study , 4.3.7 A Comment from IREC: IREC also supports this change. the Interconnection Customer shall inform the Utility in writing if it wishes to withdraw the Interconnection Request and non-binding good faith estimates to request an accounting of cost responsibility and time any remaining deposit amount pursuant to constructSection 6.3. 6.2 The System Impact Study shall consider all generating facilities and Class Year Transmission Projects (and with respect to paragraph 6.1.3 below, any identified Upgrades associated with such higher queued interconnection) that, on 4.3.8 If requested by the date Interconnection Customer following delivery of the System Impact Study commences under report, the SGIP, - are directly interconnected with Utility shall provide the New York State Transmission System or distribution facilities; - are interconnected with Affected Systems Interconnection Customer an executable Interim Interconnection Agreement within ten (10) Business Days. The Interim Interconnection Agreement shall be identical in form and may have an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities in accordance with Attachment S content to the OATT; Final Interconnection Agreement, but will not include Detailed Estimated Upgrade Charges, Detailed Estimated Commented [A80]: Duke Energy (WG1) proposed change. Comment: Section deleted. Interim IA is non-binding, causes confusion and - in certain cases has led to false expectations regarding system upgrade costs required for the interconnection. It does not have no queue position but have executed an interconnection agreement or requested inherent value and Duke Energy is not countersigning the document Interconnection Facility Charge, Appendix 4 (Construction Milestone schedule listing tasks, dates and the party responsible for completing each task), and other information that an unexecuted interconnection agreement otherwise would be filed with the Federal Energy Regulatory Commission (“FERC”)determined in Section 5. 6.3 Affected Systems may participate in 4.3.9 At the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity to review and comment on time the System Impact Study Report is provided to the extent Interconnection Customer, the proposed interconnection potentially adversely impacts Utility shall also deliver an executable Facilities Study Agreement to the Affected System’s electric systemInterconnection Customer. NYISO shall have an additional twenty (20) Business Days to complete a After receipt of the System Impact Study requiring review by Affected Systemsreport and Facilities Study Agreement, when the Interconnection Customer is ready to proceed with the design and construction of the Upgrades and Interconnection Facilities, the Interconnection Customer shall return the signed Facilities Study Agreement to the Utility in accordance with Section 4.4 below.

System Impact Study. 6.1 The System Impact Study, unless otherwise waived upon the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessary. The System Impact Study shall state the assumptions upon which it is based, state the results of the analyses, and provide the requirement or potential impediments to providing the requested interconnection service, including a preliminary indication of the cost and length of time that would be necessary to correct any problems identified in those analyses and implement the interconnection. The 3.4.1 A system impact study report shall provide a list of facilities identify and detail the electric system impacts that are required as a would result if the proposed Small Generating Facility were interconnected without project modifications or electric system modifications, focusing on the adverse system impacts identified in the feasibility study, or to study potential impacts, including but not limited to those identified in the scoping meeting. A system impact study shall evaluate the impact of the proposed interconnection on the reliability of the electric system. 3.4.2 If no transmission system impact study is required, but potential electric power Distribution System adverse system impacts are identified in the scoping meeting or shown in the feasibility study, a distribution system impact study must be performed. The Transmission Provider shall send the Interconnection Request Customer a distribution system impact study agreement within 15 Business Days of transmittal of the feasibility study report, including an outline of the scope of the study and a non-binding good faith estimates estimate of the cost responsibility and time to constructperform the study, or following the scoping meeting if no feasibility study is to be performed. 6.2 3.4.3 In instances where the feasibility study or the distribution system impact study shows potential for transmission system adverse system impacts, within five Business Days following transmittal of the feasibility study report, the Transmission Provider shall send the Interconnection Customer a transmission system impact study agreement, including an outline of the scope of the study and a non-binding good faith estimate of the cost to perform the study, if such a study is required. 3.4.4 If a transmission system impact study is not required, but electric power Distribution System adverse system impacts are shown by the feasibility study to be possible and no distribution system impact study has been conducted, the Transmission Provider shall send the Interconnection Customer a distribution system impact study agreement. 3.4.5 If the feasibility study shows no potential for transmission system or Distribution System adverse system impacts, the Transmission Provider shall send the Interconnection Customer either a facilities study agreement (Attachment 8), including an outline of the scope of the study and a non-binding good faith estimate of the cost to perform the study, or an executable interconnection agreement, as applicable. 3.4.6 In order to remain under consideration for interconnection, the Interconnection Customer must return executed system impact study agreements, if applicable, within 30 Business Days. 3.4.7 A deposit of the good faith estimated costs for each system impact study may be required from the Interconnection Customer. 3.4.8 The System Impact Study shall consider all generating facilities scope of and Class Year cost responsibilities for a system impact study are described in the attached system impact study agreement. 3.4.9 Where transmission systems and Distribution Systems have separate owners, such as is the case with transmission-dependent utilities ("TDUs") – whether investor- owned or not – the Interconnection Customer may apply to the nearest Transmission Projects Provider (and with respect Transmission Owner, Regional Transmission Operator, or Independent Transmission Provider) providing transmission service to paragraph 6.1.3 below, any identified Upgrades associated with such higher queued interconnection) that, on the date the System Impact Study commences under the SGIP, - are directly interconnected with the New York State Transmission System or distribution facilities; - are interconnected with TDU to request project coordination. Affected Systems and may have an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities in accordance with Attachment S to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with the Federal Energy Regulatory Commission (“FERC”). 6.3 Affected Systems may shall participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity study and provide all information necessary to review and comment on prepare the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systemsstudy.

System Impact Study. 6.1 The System Impact Study, unless otherwise waived upon the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessary. The System Impact Study shall state the assumptions upon which it is based, state the results of the analyses, and provide the requirement or potential impediments to providing the requested interconnection service, including a preliminary indication of the cost and length of time that would be necessary to correct any problems identified in those analyses and implement the interconnection. The 3.4.1 A system impact study report shall provide a list of facilities identify and detail the electric system impacts that are required as a would result if the proposed Small Generating Facility were interconnected without project modifications or electric system modifications, focusing on the adverse system impacts identified in the feasibility study, or to study potential impacts, including but not limited to those identified in the scoping meeting. A system impact study shall evaluate the impact of the proposed interconnection on the reliability of the electric system. 3.4.2 If no transmission system impact study is required, but potential electric power Distribution System adverse system impacts are identified in the scoping meeting or shown in the feasibility study, a distribution system impact study must be performed. The Transmission Provider shall use Reasonable Efforts to send the Interconnection Request Customer a distribution system impact study agreement within 15 Business Days of transmittal of the feasibility study report, including an outline of the scope of the study and a non-binding good faith estimates estimate of the cost responsibility and time to constructperform the study, or following the scoping meeting if no feasibility study is to be performed. 6.2 The 3.4.3 In instances where the feasibility study or the distribution system impact study shows potential for transmission system adverse system impacts, within five Business Days following transmittal of the feasibility study report, the Transmission Provider shall use Reasonable Efforts to send the Interconnection Customer a transmission system impact study agreement including an outline of the scope of the study and a non-binding good faith estimate of the cost to perform the study, if such a study is required. 3.4.4 If a transmission system impact study is not required, but electric power Distribution System Impact Study adverse system impacts are shown by the feasibility study to be possible and no distribution system impact study has been conducted, the Transmission Provider shall consider all generating send the Interconnection Customer a distribution system impact study agreement. 3.4.5 If the feasibility study shows no potential for transmission system or Distribution System adverse system impacts, the Transmission Provider shall send the Interconnection Customer either a facilities study agreement (Attachment 5), including an outline of the scope of the study and Class Year Transmission Projects (and with respect a non- binding good faith estimate of the cost to paragraph 6.1.3 belowperform the study, any identified Upgrades associated with such higher queued interconnection) that, on or shall decide whether to send the date the System Impact Study commences under the SGIP, - are directly interconnected with the New York State Transmission System or distribution facilities; - are interconnected with Affected Systems and may have Interconnection Customer an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities executable interconnection agreement in accordance with Attachment S section 3.5.7 of these procedures, as applicable. 3.4.6 In order to remain under consideration for interconnection, the Interconnection Customer must return executed system impact study agreements, if applicable, within 30 Business Days. 3.4.7 A deposit of the good faith estimated costs for each system impact study shall be required from the Interconnection Customer prior to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with initiation of the Federal Energy Regulatory Commission (“FERC”)study work. 6.3 3.4.8 The scope of and cost responsibilities for a system impact study are described in the attached system impact study agreement. 3.4.9 Where transmission systems and Distribution Systems have separate owners, such as is the case with transmission-dependent utilities ("TDUs") - whether investor-owned or not - the Interconnection Customer may apply to the nearest Transmission Provider (Transmission Owner, Regional Transmission Operator, or Independent Transmission Provider) providing transmission service to the TDU to request project coordination. Affected Systems may shall participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity study and provide all information necessary to review and comment on prepare the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systemsstudy.

System Impact Study. 6.1 4.3.1 In order to retain its Queue Position, the Interconnection Customer must return a System Impact Study Agreement signed by the Interconnection Customer within 15 Business Days of receiving an executable System Impact Study Agreement as provided for in Section 4.2.3. 4.3.2 The scope of and cost responsibilities for a System Impact Study are described in the System Impact Study Agreement. The time allotted for completion of the System Impact Study shall be as set forth in the System Impact Study Agreement. 4.3.3 The System Impact StudyStudy shall identify and detail the electric system impacts that would result if the proposed Generating Facility were interconnected without project modifications or electric system modifications, unless otherwise waived upon or to study potential impacts, including, but not limited to, those identified in the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessaryscoping meeting. The System Impact Study shall state evaluate the assumptions upon which it is based, state the results impact of the analysesproposed interconnection on the reliability of the electric system, including the distribution and transmission systems, if required. 4.3.4 The System Impact Study report will provide the requirement or potential impediments to providing the requested interconnection servicePreliminary Estimated Upgrade Charge, including which is a preliminary indication of the cost and length of time that would be necessary to correct any System problems identified in those analyses and implement the interconnection. At the Utility’s option, and solely for purposes of administering a Commission- approved Competitive Resource Solicitation, a Utility may designate a Queue Number and act as authorized representative for Interconnection Customer(s) proposing a Generating Facility requesting to interconnect to the Utility’s System for evaluation through the Solicitation. The system impact Utility shall evaluate combinations of such Interconnection Requests for purposes of conducting the System Impact Grouping Study(ies) of combinations of Generating Facilities within the Queue Number in order to achieve the resource need identified in the Competitive Resource Solicitation. Such studies in connection with a Competitive Resource Solicitation shall be implemented based upon the Queue Number relative to the Queue Position of all other Interconnection Requests. The Utility may also study report shall provide an Interconnection Request separately to the extent provided for under the terms of the Competitive Resource Solicitation or if otherwise warranted by Good Utility Practice such as to evaluate the locational remoteness of a list proposed Generating Facility. Through completing the System Impact Grouping Study(ies) of facilities the requested combinations of Interconnection Requests, the Utility must select one of the studied combinations that achieves the capacity solicited through the Competitive Resource Solicitation prior to the start of any Interconnection Facilities Study. While conducting the Interconnection Facilities Study(ies) for the selected combination of resources, the Utility may suspend further study of the Interconnection Customers that have opted in to the System Impact Grouping Study that are required not included in the selected combination and such customers may elect during this period to return to their original Queue Position, subject to 1.7.3, or participate in a new Competitive Resource Solicitation, if available. 4.3.5 The System Impact Study report will provide the Preliminary Estimated Interconnection Facilities Charge, which is a preliminary non-binding indication of the cost and length of time that would be necessary to provide the Interconnection Facilities. 4.3.6 If the Utility has determined that an Interdependency exists and the Project is designated as a result Project B, the Project B Interconnection Request shall receive a System Impact Study report, addressing a scenario assuming Project A is constructed and a second scenario assuming Project A is not constructed. 4.3.7 After receipt of the System Impact Study report(s), the Interconnection Customer shall inform the Utility in writing if it wishes to withdraw the Interconnection Request and non-binding good faith estimates to request an accounting of cost responsibility and time any remaining deposit amount pursuant to constructSection 6.3. 6.2 The System Impact Study shall consider all generating facilities and Class Year Transmission Projects (and with respect to paragraph 6.1.3 below, any identified Upgrades associated with such higher queued interconnection) that, on 4.3.8 If requested by the date Interconnection Customer following delivery of the System Impact Study commences under report, the SGIP, - are directly interconnected with Utility shall provide the New York State Transmission System or distribution facilities; - are interconnected with Affected Systems and may have Interconnection Customer an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities in accordance with Attachment S to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with the Federal Energy Regulatory Commission (“FERC”). 6.3 Affected Systems may participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity to review and comment on the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systems.executable Interim Interconnection Agreement within ten

System Impact Study. 6.1 5.1 The System Impact Study, unless otherwise waived upon the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessary. The System Impact Study shall state the assumptions upon which it is based, state the results of the analyses, and provide the requirement or potential impediments to providing the requested interconnection service, including a preliminary indication of the cost and length of time that would be necessary to correct any problems identified in those analyses and implement the interconnection. The system impact study report shall provide a list of facilities that are required as a result of the Interconnection Request and non-binding good faith estimates of cost responsibility and time to construct. 6.2 5.2 The System Impact Study shall consider all generating facilities and Class Year Transmission Projects (and with respect to paragraph 6.1.3 below, any identified Upgrades associated with such higher queued interconnection) that, on the date the System Impact Study commences under the SGIP, - are directly interconnected with the New York State Transmission System or distribution facilities; - are interconnected with Affected Systems and may have an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities in accordance with Attachment S to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with the Federal Energy Regulatory Commission (“FERC”). 6.3 5.3 Affected Systems may participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity to review and comment on the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systems.

System Impact Study. 6.1 The System Impact Study, unless otherwise waived upon the mutual agreement of the Interconnection Customer, NYISO, and the Connecting Transmission Owner(s) in accordance with Section 32.3.4 of the SGIP, shall consist of a short circuit analysis, a stability analysis, a power flow analysis, voltage drop and flicker studies, protection and set point coordination studies, and grounding reviews, as necessary. The System Impact Study shall state the assumptions upon which it is based, state the results of the analyses, and provide the requirement or potential impediments to providing the requested interconnection service, including a preliminary indication of the cost and length of time that would be necessary to correct any problems identified in those analyses and implement the interconnection. The system impact study report shall provide a list of facilities that are required as a result of the Interconnection Request and non-binding good faith estimates of cost responsibility and time to construct. 6.2 The System Impact Study shall consider all generating and merchant transmission facilities and Class Year Transmission Projects (and with respect to paragraph 6.1.3 below, any identified Upgrades associated with such higher queued interconnection) that, on the date the System Impact Study commences under the SGIP, - are directly interconnected with the New York State Transmission System or distribution facilities; - are interconnected with Affected Systems and may have an impact on the proposed interconnection; - have accepted their cost allocation for System Upgrade Facilities and posted security for such System Upgrade Facilities in accordance with Attachment S to the OATT; and - have no queue position but have executed an interconnection agreement or requested that an unexecuted interconnection agreement be filed with the Federal Energy Regulatory Commission (“FERC”). 6.3 Affected Systems may participate in the preparation of a System Impact Study, with a division of costs among such entities as they may agree. All Affected Systems shall be afforded an opportunity to review and comment on the System Impact Study to the extent the proposed interconnection potentially adversely impacts the Affected System’s electric system. NYISO shall have an additional twenty (20) Business Days to complete a System Impact Study requiring review by Affected Systems.