Capacity Auction: Pre-Auction Report 1 PUB 2025-08-14T10:50:15 2026-05-01 2027-04-30 SUMMER 2026-05-01 2026-10-31 WINTER 2026-11-01 2027-04-30 CAP CAP to start and complete capacity qualification request submission 2025-09-11 2025-09-26 IESO IESO to assess UCAP 2025-09-29 2025-10-21 IESO CAP to start and complete posting of auction deposit 2025-10-22 2025-11-19 CAP CAP to start and complete capacity auction offers 2025-11-26 2025-11-27 IESO IESO to publish post-auction report 2025-12-04 SUMMER Target Capacity 1800 MW Capacity Auction Reference Price 663.37 $/MW-day Minimum Capacity Auction Clearing Price 0 $/MW-day Maximum Capacity Auction Clearing Price 995.06 $/MW-day Minimum Auction Capacity Limit 0 MW Maximum Auction Capacity Limit 3000 MW Maximum Auction Capacity at the Maximum Capacity Auction Clearing Price 1200 MW WINTER Target Capacity 1200 MW Capacity Auction Reference Price 663.37 $/MW-day Minimum Capacity Auction Clearing Price 0 $/MW-day Maximum Capacity Auction Clearing Price 995.06 $/MW-day Minimum Auction Capacity Limit 0 MW Maximum Auction Capacity Limit 2000 MW Maximum Auction Capacity at the Maximum Capacity Auction Clearing Price 800 MW SUMMER Max Clearing Price 995.06 $/MW-day 0 MW Max Q at Max Clearing Price 995.06 $/MW-day 1200 MW Min Clearing Price 0 $/MW-day 3000 MW Target 663.37 $/MW-day 1800 MW WINTER Max Clearing Price 995.06 $/MW-day 0 MW Max Q at Max Clearing Price 995.06 $/MW-day 800 MW Min Clearing Price 0 $/MW-day 2000 MW Target 663.37 $/MW-day 1200 MW Total Max SUMMER BRUCE 9999 MW EAST 9999 MW ESSA 9999 MW NIAGARA 750 MW NORTHEAST 100 MW NORTHWEST 100 MW OTTAWA 9999 MW SOUTHWEST 9999 MW TORONTO 9999 MW WEST 900 MW NORTHEAST+NORTHWEST 100 MW WINTER BRUCE 9999 MW EAST 9999 MW ESSA 9999 MW NIAGARA 600 MW NORTHEAST 350 MW NORTHWEST 350 MW OTTAWA 9999 MW SOUTHWEST 9999 MW TORONTO 9999 MW WEST 350 MW NORTHEAST+NORTHWEST 350 MW Virtual Max SUMMER BRUCE 100 MW EAST 305 MW ESSA 100 MW NIAGARA 50.2 MW NORTHEAST 63.2 MW NORTHWEST 2.1 MW OTTAWA 126.9 MW SOUTHWEST 287 MW TORONTO 383.2 MW WEST 69.8 MW WINTER BRUCE 100 MW EAST 305 MW ESSA 100 MW NIAGARA 50.2 MW NORTHEAST 63.2 MW NORTHWEST 2.1 MW OTTAWA 126.9 MW SOUTHWEST 287 MW TORONTO 383.2 MW WEST 69.8 MW Max SUMMER Auction Import Capacity Limit 900 MW WINTER Auction Import Capacity Limit 900 MW Max SUMMER MB.WHITESHELL 0 MW NY.ROSETON 500 MW PQ.OUTAOUAIS 600 MW WINTER MB.WHITESHELL 0 MW NY.ROSETON 500 MW PQ.OUTAOUAIS 0 MW