Transmission Service Request studies include any System Impact Study, Facility Study, or Cluster Study of new requests for transmission service. These studies are performed in accordance with section 19 and 32 of BPA’s Open Access Transmission Tariff governing Point-to-Point and Network Integration Transmission Service.
To request a copy of the study, please email the following information to
studyrequest@bpa.gov; name, title, company, mailing address, and telephone number. BPA Transmission Services will then contact you to provide a copy of the study.
Specific Network Impact Studies
| 12/31/2022 |
BPA-TS Individual System Impact Study (2022) TSR# 94083043 |
| 12/31/2022 |
BPA-TS Individual System Impact Study (2022) TSR# 94083099 |
| 12/31/2022 |
BPA-TS Individual System Impact Study (2022) TSR# 94083122 |
| 12/31/2022 |
BPA-TS Individual System Impact Study (2022) TSR# 94083143 |
| 12/31/2022 |
BPA-TS Individual System Impact Study (2022) TSR# 94083163 |
| 09/09/2022 |
BPA-TS Individual System Impact Study (2022) TSR# 94082612 |
| 09/09/2022 |
BPA-TS Individual System Impact Study (2022) TSR# 94082636 |
| 09/09/2022 |
BPA-TS Individual System Impact Study (2022) TSR# 94082645 |
| 10/25/2021 |
BPA-TS Individual System Impact Study (2021) TSR# 92499689 |
| 10/25/2021 |
BPA-TS Individual System Impact Study (2021) TSR# 92499687 |
| 10/25/2021 |
BPA-TS Individual System Impact Study (2021) TSR# 92494962 |
| 10/25/2021 |
BPA-TS Individual System Impact Study (2021) TSR# 92494950 |
| 10/25/2021 |
BPA-TS Individual System Impact Study (2021) TSR# 92494933 |
| 07/20/2020 |
BPA-TS Individual System Impact Study (2020) TSR# 88846035 |
| 09/02/2019 |
BPA-TS Individual System Impact Study (2019) TSR# 86302510 |
Facilities Studies
Cluster Studies
| 02/09/2023 |
PA-TS 2022 Cluster Study
In January 2022, BPA-TS conducted a Cluster Study of certain eligible TSRs. Customers executed Cluster Study Agreements (CSAs) requesting a total of 11,118 MW of long-term firm transmission service. The Cluster Study assessed the impacts of the requested service and determined the system reinforcements necessary to provide the requested service. The Cluster Study report summarizes the results of the technical studies, the estimated costs, and the earliest in-service dates. The Cluster Study concluded that a) there was sufficient ATC for 1,046 MW with no further requirements and b) 10,072 MW of the requests require the infrastructure additions identified in the study. 02/02/2023
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| 10/22/2020 |
BPA-TS 2021 Cluster Study
In January 2021, BPA-TS conducted a Cluster Study of certain eligible TSRs. Customers executed Cluster Study Agreements (CSAs) requesting a total of 5,842 MW of long-term firm transmission service. The Cluster Study assessed the impacts of the requested service and determined the system reinforcements necessary to provide the requested service. The Cluster Study report summarizes the results of the technical studies, the estimated costs, and the earliest in-service dates. The Cluster Study concluded that a) there was sufficient ATC for 305 MW with no further requirements and b) 5,537 MW of the requests require the infrastructure additions identified in the study. 10/22/2020
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| 06/22/2020 |
BPA-TS 2020 Cluster Study
In January 2020, BPA-TS conducted a Cluster Study of certain eligible TSRs. Customers executed Cluster Study Agreements (CSAs) requesting a total of 3,871 MW of long-term firm transmission service. The Cluster Study assessed the impacts of the requested service and determined the system reinforcements necessary to provide the requested service. The Cluster Study report summarizes the results of the technical studies, the estimated costs, and the earliest in-service dates. The Cluster Study concluded that a) there was sufficient ATC for 380 MW with no further requirements and b) 3,491 MW of the requests require the infrastructure additions identified in this study. 06/22/2020
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| 11/4/2019 |
BPA-TS 2019 Cluster Study
In January 2019, BPA-TS conducted a Cluster Study of certain eligible TSRs. Customers executed Cluster Study Agreements (CSAs) requesting a total of 3,965 MW of long-term firm transmission service. The Cluster Study assessed the impacts of the requested service and determined the system reinforcements necessary to provide the requested service. The Cluster Study report summarizes the results of the technical studies, the estimated costs, and the earliest in-service dates. The Cluster Study concluded that a) there was sufficient ATC for 1,475 MW with no further requirements and b) 2,490 MW of the requests require the infrastructure additions identified in this study. 11/4/2019
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