Power Pool Project Implementation Plan Details
"Learn about the detailed project staging plan for Southwest Power Pool's final portfolio, including economic and reliability projects. Explore how need dates are determined and projects are implemented to meet system needs efficiently and effectively."
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1 2020 ITP 2020 ITP STAGING SEPTEMBER 2020 LIZ GEPHARDT 1 Helping our members work together to keep the lights on... today and in the future. SPPorg southwest-power-pool SouthwestPowerPool
2 GOVERNING DOCUMENTS ITP Manual 6.3 Project Staging: A project implementation plan will be developed for the final consolidated portfolio(s). The final portfolio(s) will be structured such that each element can be implemented in a staged manner as actual system developments approach the assumptions resulting in the need for that element. To help stage the projects, SPP will utilize simulation results for years 2, 5, and 10. 2020 ITP 2
3 GOVERNING DOCUMENTS ITP Manual 6.3.1 Economic Projects Projects deemed necessary to meet the economic needs of the system due to persistent operational issues will have a need date the same as the issue date of the NTC. Other economic projects in the final consolidated portfolio will be staged in the first year that the B/C ratio of each upgrade exceeds 1.0. A linear interpolation of B/C ratios between each of the study years will be used to determine the need date. 2020 ITP 3
4 GOVERNING DOCUMENTS ITP Manual 6.3.2 Reliability Projects Projects deemed necessary to meet the reliability needs of the system due to persistent operational issues will have a need date the same as the issue date of the NTC. Reliability projects in the final consolidated portfolio will be staged based on the year and season when the needs addressed by each project appear on the transmission system. All upgrades that solve year 2 violations will be initially staged for an in-service date in the corresponding season in which the violation occurs for year 2. 2020 ITP 4
5 METHODOLOGY ASSUMPTIONS If a project only appears in one future, the need date will be driven by that future In the case that a project is driven by multiple futures or portfolios with different need dates, it is assigned the earlier of the two need dates 2020 ITP 5
FINAL PORTFOLIO THERMAL/VOLTAGE Need Date Projected In- Service Date Reliability Project Model Watford 230/115 kV transformer Ckt 1 terminal equipment, Ckt 2 replacement* Circleville - Goff 115 kV Ckt 1 rebuild BR 6/1/2022 11/17/2022 BR 6/1/2025 6/1/2025 Goff - Kelly 115 kV rebuild BR 6/1/2025 6/1/2025 South Shreveport-Wallace Lake 138 kV rebuild BR 6/1/2024 6/1/2024 Grady 138 kV capacitor bank LPC 12/1/2022 12/1/2022 Deaf Smith #6 - Hereford 115 kV rebuild BR 6/1/2022 5/17/2023 Deaf Smith #6 - Friona 115 kV rebuild Richmond 115 kV substation, Richmond 115/69 kV transformer, Richmond - Aberdeen 115 kV line Cushing Tap - Shell Cushing Tap - Shell Pipeline 69 kV rebuild BR 4/1/2022 11/17/2022 BR 12/1/2022 11/17/2023 BR 6/1/2023 6/1/2023 Bushland Deaf Smith 230 kV terminal equipment BR 4/1/2022 5/17/2022 Potter County - Newhart 230 kV terminal equipment BR 4/1/2022 5/17/2022 Carlisle - Murphy 115 kV rebuild BR 6/1/2022 11/17/2022 Replace Roswell 115/69 kV transformer BR 6/1/2022 11/17/2022 S3456 - S3458 345 kV terminal equipment BR 6/1/2029 6/1/2029 Meadowlark - Tower 33 115 kV rebuild BR 6/1/2023 11/17/2023 *Staged earlier in economic portfolio, earlier need date to be used Projected construction start date does not fall within 4-year financial commitment window 2020 ITP 6
FINAL PORTFOLIO THERMAL/VOLTAGE 4-year Financial Commitment Window Need Date Assumed NTC Issuance Date 2020 2039 2020 2022 2024 2026 2028 2030 2032 2034 2036 2038 Watford 230/115 kV transformer Ckt 1 terminal equipment, Ckt 2 replacement* 24 months Circleville - Goff 115 kV Ckt 1 rebuild 24 months Goff - Kelly 115 kV rebuild 24 months South Shreveport-Wallace Lake 138 kV rebuild 24 months Grady 138 kV capacitor bank 24 months Deaf Smith #6 - Hereford 115 kV rebuild 24 months Deaf Smith #6 - Friona 115 kV rebuild 30 months Richmond 115 kV substation, Richmond 115/69 kV transformer, Richmond - Aberdeen 115 kV line 36 months Cushing Tap - Shell Cushing Tap - Shell Pipeline 69 kV rebuild 24 months Bushland Deaf Smith 230 kV terminal equipment 18 mons Potter County - Newhart 230 kV terminal equipment 18 mons Carlisle - Murphy 115 kV rebuild 24 months Replace Roswell 115/69 kV transformer 24 months S3456 - S3458 345 kV terminal equipment 18 mons Meadowlark - Tower 33 115 kV rebuild 36 months 2020 ITP 7
FINAL PORTFOLIO THERMAL/VOLTAGE (CONT.) Need Date 6/1/2028 Projected In- Service Date 6/1/2028 Reliability Project Model Lubbock South - Jones 230 kV terminal equipment Ckt 1 BR Lubbock South - Jones 230 kV terminal equipment Ckt 2 BR 6/1/2028 6/1/2028 Deaf Smith - Plant X 230 kV terminal equipment BR 4/1/2022 5/17/2022 Plant X - Newhart 230 kV terminal equipment Lubbock South - Wolfforth 230 kV terminal equipment and clearance increase Allen - Lubbock South 115 kV rebuild BR 4/1/2022 5/17/2022 BR 6/1/2022 6/1/2022 BR 6/1/2022 11/17/2022 Allen - Quaker 115 kV rebuild BR 6/1/2022 11/17/2022 Eddy - North Loving 345 kV new line BR 6/1/2028 6/1/2028 Bismarck 115 kV reactors BR/MPM 4/1/2022 11/17/2022 Moorhead 115 kV reactor BR/MPM 4/1/2022 11/17/2022 Russell 115 kV capacitor bank MPM 6/1/2022 11/17/2022 Maljamar 115 kV capacitor bank MPM 6/1/2028 6/1/2028 Devil's Lake 115 kV reactor MPM 4/1/2022 11/17/2022 Agate 115 kV reactor MPM 4/1/2022 11/17/2022 BR Nixa - Nixa Espy 69 kV terminal equipment 6/1/2022 6/1/2022 Projected construction start date does not fall within 4-year financial commitment window 2020 ITP 8
FINAL PORTFOLIO THERMAL/VOLTAGE (CONT.) 4-year Financial Commitment Need Date Window Assumed NTC Issuance Date 2020 2039 2020 2022 2024 2026 2028 2030 2032 2034 2036 2038 Lubbock South - Jones 230 kV terminal equipment Ckt 1 18 mons Lubbock South - Jones 230 kV terminal equipment Ckt 2 18 mons Deaf Smith - Plant X 230 kV terminal equipment 18 mons Plant X - Newhart 230 kV terminal equipment 18 mons Lubbock South - Wolfforth 230 kV terminal equipment and clearance increase 18 mons Allen - Lubbock South 115 kV rebuild 24 months Allen - Quaker 115 kV rebuild 24 months Eddy - North Loving 345 kV new line 48 months Bismarck 115 kV reactors 24 months Moorhead 115 kV reactor 24 months Russell 115 kV capacitor bank 24 months Maljamar 115 kV capacitor bank 24 months Devil's Lake 115 kV reactor & Agate 115 kV reactor 24 months Nixa - Nixa Espy 69 kV terminal equipment 18 mons 2020 ITP 9
FINAL PORTFOLIO SHORT CIRCUIT Projected In- Service Date 6/1/2022 Reliability Project Need Date Model Replace four breakers at the Anadarko 138 kV station SC 6/1/2022 Replace three breakers at the Northeast 161 kV station SC 6/1/2022 6/1/2022 Replace 1 breaker at the Stilwell 161 kV station SC 6/1/2022 6/1/2022 Replace 1 breaker at the Leeds 161 kV station SC 6/1/2022 6/1/2022 Replace 1 breaker at the Shawnee Mission 161 kV station SC 6/1/2022 6/1/2022 Replace 1 breaker at the Southtown 161 kV SC 6/1/2022 6/1/2022 Replace 2 breakers at the Lake Road 161 kV station SC 6/1/2022 6/1/2022 Replace 2 breakers at the Craig 161 kV station SC 6/1/2022 6/1/2022 2020 ITP 10
FINAL PORTFOLIO SHORT CIRCUIT 4-year Financial Commitment Window Need Date Assumed NTC Issuance Date 2020 2039 2020 2022 2024 2026 2028 2030 2032 2034 2036 2038 Replace four breakers at the Anadarko 138 kV station 18 mons Replace three breakers at the Northeast 161 kV station 18 mons Replace 1 breaker at the Stilwell 161 kV station 18 mons Replace 1 breaker at the Leeds 161 kV station 18 mons Replace 1 breaker at the Shawnee Mission 161 kV station 18 mons Replace 1 breaker at the Southtown 161 kV 18 mons Replace 2 breakers at the Lake Road 161 kV station 18 mons Replace 2 breakers at the Craig 161 kV station 18 mons 2020 ITP 11
FINAL PORTFOLIO ECONOMIC Projected In- Service Date Economic Project Need Date Model Watford 230/115 kV transformer Ckt 1 terminal equipment, Ckt 2 replacement* Gracemont - Anadarko 138 kV rebuild as double-circuit F1/F2 1/1/2022 11/17/2022 F1 1/1/2023 11/17/2023 South Brown - Russett 138 kV rebuild F1/F2 1/1/2022 5/17/2023 Butler - Tioga 138 kV new line; wreck-out Butler - Altoona 138 kV 1/1/2024 1/1/2024 F1/F2 GRDA 1 345/161 kV Ckt 1 and Ckt 2 terminal equipment 1/1/2022 5/17/2022 F1 East Columbus 230/115 kV transformer replacement 1/1/2039 1/1/2039 F1 Franks - South Crocker - Lebanon 161 kV terminal equipment 1/1/2028 1/1/2028 F1 Tap Woodward - Border 345 kV, Chisholm - Tap 345 kV new line 1/1/2022 11/17/2024 F1/F2 Dover Switch - O'Keene 138 kV and Aspen - Mooreland - Pic 138 kV terminal equipment Pleasant Valley 345/138 kV Station, Minco - Pleasant Valley - Draper 345 kV new line, Franklin - Midwest 138 kV terminal equipment, Cimarron - Draper 345 kV terminal equipment Split Rock 345/115 kV Ckt 10 & 11 terminal equipment 1/1/2022 5/17/2022 F1/F2 1/1/2025 1/1/2025 F1/F2 1/1/2025 1/1/2025 F2 Oahe - Sully Buttes - Whitlock 230 kV terminal equipment 1/1/2022 5/17/2022 F2 *Staged later in reliability portfolio, earlier need date to be used Projected construction start date does not fall within 4-year financial commitment window 2020 ITP 12
FINAL PORTFOLIO ECONOMIC 4-year Financial Commitment Window Need Date Assumed NTC Issuance Date 2020 2039 2020 2022 2024 2026 2028 2030 2032 2034 2036 2038 Watford 230/115 kV transformer Ckt 1 terminal equipment, Ckt 2 replacement* 24 months Gracemont - Anadarko 138 kV rebuild as double-circuit 36 months South Brown - Russett 138 kV rebuild 30 months Butler - Tioga 138 kV new line; wreck-out Butler - Altoona 138 kV 36 months GRDA 1 345/161 kV Ckt 1 and Ckt 2 terminal equipment 18 mons East Columbus 230/115 kV transformer replacement 24 months Franks - South Crocker - Lebanon 161 kV terminal equipment 18 mons Tap Woodward - Border 345 kV, Chisholm - Tap 345 kV new line 48 months Dover Switch - O'Keene 138 kV and Aspen - Mooreland - Pic 138 kV terminal equipment 18 mons Pleasant Valley 345/138 kV Station, Minco - Pleasant Valley - Draper 345 kV new line, Franklin - Midwest 138 kV terminal equipment, Cimarron - Draper 345 kV terminal equipment 48 months Split Rock 345/115 kV Ckt 10 & 11 terminal equipment 18 mons Oahe - Sully Buttes - Whitlock 230 kV terminal equipment 18 mons 2020 ITP 13
