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MSS Report


MBR Market Share Screen Details

1638067
Basin Electric Power Cooperative
NWMT Base Case
2023 C003849
Study Parameter Winter(MW) Spring(MW) Summer(MW) Fall(MW) Study Parameter Reference
Seller and Affiliate Capacity (owned, controlled or under LT contract)
Seller Installed Capacity 0.00 0.00 0.00 0.00
Seller Remote Capacity 0.00 0.00 0.00 0.00
Seller LT Firm Purchases From Inside 258.15 258.15 258.15 258.15 BEPC MBR Workpapers, BEPC PPAs sheet BEPC MBR Workpapers, BEPC PPAs sheet BEPC MBR Workpapers, BEPC PPAs sheet BEPC MBR Workpapers, BEPC PPAs sheet
Seller LT Firm Purchases From Outside 194.00 194.00 194.00 194.00 BEPC MBR Workpapers, BEPC Transmission Reservations sheet BEPC MBR Workpapers, BEPC Transmission Reservations sheet BEPC MBR Workpapers, BEPC Transmission Reservations sheet BEPC MBR Workpapers, BEPC Transmission Reservations sheet
Seller LT Firm Sales 0.00 0.00 0.00 0.00
Seller Seasonal Planned Outages 6.44 9.90 7.40 4.29 BEPC Pro Rata Share of Planned Outages BEPC Pro Rata Share of Planned Outages BEPC Pro Rata Share of Planned Outages BEPC Pro Rata Share of Planned Outages
Seller Uncommited Capacity Imports 12.38 7.55 10.08 6.88 BEPC MBR Workpapers, BEPC Allocation of SILs sheet BEPC MBR Workpapers, BEPC Allocation of SILs sheet BEPC MBR Workpapers, BEPC Allocation of SILs sheet BEPC MBR Workpapers, BEPC Allocation of SILs sheet
Capacity Deductions
Study Area Average Peak Native Load 1,665.64 1,443.05 1,588.17 1,454.56 BEPC MBR Workpapers, NWMT Load Data sheet BEPC MBR Workpapers, NWMT Load Data sheet BEPC MBR Workpapers, NWMT Load Data sheet BEPC MBR Workpapers, NWMT Load Data sheet
Amount of Average Peak Native Load Attributable to Seller 129.07 109.01 120.34 106.68 BEPC MBR Workpapers, BEPC in NWMT Load Data sheet BEPC MBR Workpapers, BEPC in NWMT Load Data sheet BEPC MBR Workpapers, BEPC in NWMT Load Data sheet BEPC MBR Workpapers, BEPC in NWMT Load Data sheet
Amount of Average Peak Native Load Attributable to Non-Affiliates 1,536.57 1,334.04 1,467.83 1,347.88
Study Area Reserve Requirements 99.94 86.58 95.29 87.27 Estimated WECC reserves at 6% of Average Peak Native Load in the Season. Row F * 6%. Estimated WECC reserves at 6% of Average Peak Native Load in the Season. Row F * 6%. Estimated WECC reserves at 6% of Average Peak Native Load in the Season. Row F * 6%. Estimated WECC reserves at 6% of Average Peak Native Load in the Season. Row F * 6%.
Amount of Study Area Reserve Requirements Attributable to Seller 7.74 6.54 7.22 6.40 Estimated BEPC reserves at 6%. Row G * 6%. Estimated BEPC reserves at 6%. Row G * 6%. Estimated BEPC reserves at 6%. Row G * 6%. Estimated BEPC reserves at 6%. Row G * 6%.
Amount of Study Area Reserve Requirements Attributable to Non-Affiliates 92.20 80.04 88.07 80.87
Non-Affiliate Capacity (owned, controlled or under LT contract)
Non-Affiliate Installed Capacity 3,591.40 3,591.40 3,591.40 3,591.40 BEPC MBR Workpapers, NWMT Non-Affiliate Capacity sheet BEPC MBR Workpapers, NWMT Non-Affiliate Capacity sheet BEPC MBR Workpapers, NWMT Non-Affiliate Capacity sheet BEPC MBR Workpapers, NWMT Non-Affiliate Capacity sheet
Non-Affiliate Remote Capacity 0.00 0.00 0.00 0.00
Non-Affiliate LT Firm Purchases from Inside 0.00 0.00 0.00 0.00
Non-Affiliate LT Firm Purchases from Outside 0.00 0.00 0.00 0.00
Non-Affiliate LT Firm Sales 258.15 258.15 258.15 258.15 Offset to Row B Offset to Row B Offset to Row B Offset to Row B
Non-Affiliate Seasonal Planned Outages 83.14 127.77 95.60 55.38 Non-Affiliate Share of Planned Outages Non-Affiliate Share of Planned Outages Non-Affiliate Share of Planned Outages Non-Affiliate Share of Planned Outages
Non-Affiliate Uncommitted Capacity Imports 1,288.62 959.45 1,144.92 868.12 Row V less Row E Row V less Row E Row V less Row E Row V less Row E
Supply Calculations
Total Competing Supply 2,909.96 2,750.85 2,826.67 2,717.24
Seller Uncommitted Capacity 321.28 334.25 327.27 341.66
Total Seasonal Uncommitted Capacity 3,231.24 3,085.10 3,153.94 3,058.90
Seller Market Share 9.94 10.83 10.38 11.17
Result (0 for Fail, 1 for Pass) 1 1 1 1
Total Imports 1,301.00 967.00 1,155.00 875.00
Seller Percent of SIL 0.95 0.78 0.87 0.79
Non-Affiliate Percent of SIL 99.05 99.22 99.13 99.21
SIL Value 1,301.00 967.00 1,155.00 875.00 FERC Accepted SILs Chart, accessed June 17, 2025. FERC Accepted SILs Chart, accessed June 17, 2025. FERC Accepted SILs Chart, accessed June 17, 2025. FERC Accepted SILs Chart, accessed June 17, 2025.
SIL Limit Exceeded (0 for No, 1 for Yes) 0 0 0 0


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