Generation
EIA-923 through Jul 2026The same MISO plants made 1.6% more power than a year earlier. Solar added 8.1 TWh and coal fell 11.9 TWh. Clean power is 34% of its output, up 8 points since 2019.
How MISO got here
Share of net generation each yearClean power 26% in 2019, 34% in 2025. Hover a year for its mix.
Fuel by fuel
Share is 2025; Jan–Jul compares the same plantsWho makes MISO’s power
2025, 690 TWhEach block is a plant. Hover to see it, click to open its page.
Each block is one plant, sized by its 2025 output; the lighter block holds the smaller plants. Pumped storage, which nets negative, is left out.
This year against last
20262025Running total, same plants, each on its own scaleBiggest gains
Callaway+3.0 TWh3.2 TWh → 6.2Magnolia Power+2.6 TWhfrom zeroUnion+2.6 TWh4.8 TWh → 7.3Holland Energy Facility+1.6 TWh268 GWh → 1.9Biggest drops
J H Campbell−2.8 TWh5.2 TWh → 2.4Fermi−2.4 TWh5.8 TWh → 3.4Labadie−1.6 TWh9.9 TWh → 8.4Blue Water−1.6 TWh4.6 TWh → 3.0New this year
46 plants, 8.0 GW, made 10.4 TWh by July.
Battery discharge
GWh a month2026 months are provisional: monthly reporters only. Plants that report once a year appear when the 2026 file is final.
CO₂ intensity
lb per MWh995 lb/MWh in 2025, down 10% since 2020. The seven ISOs together: 767.
EIA-923: 2019–2025 final; Jan–Jul 2026 counts plants that report monthly (about 85% of MISO’s output last year) and compares them with the same plants in 2025. CO₂ from 2020: EPA CAMPD, or EIA-923 fuel use × EPA emission factors where CAMPD misses a plant or covers it in part. Sources