← Back to map

Coal Creek

McLean County, North Dakota · EIA plant ID 6030 · Operator: Rainbow Energy Center
CoalConventional Steam CoalPetroleum LiquidsMISOBA: MISO
Nameplate1,216MWSummer 1,148 MW
Generators4in service
Net generation7,971GWh12 mo to Aug 2026
Capacity factor79%gas/coal/oil units, summer MW
Heat rate9,963Btu/kWhfossil units, electric fuel, HHV
First online1979Runs as baseload

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0200400600800GWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%25%50%75%2005201020152020202579.2% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
9,50010,00010,50011,000200520102015202020259,963 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20018,512.6——
20028,559.1——
20038,892.691.0%11,182
20048,475.186.6%11,271
20058,708.989.1%11,110
20068,403.385.9%11,114
20078,575.787.7%11,164
20088,262.384.3%11,062
20099,13491.2%10,952
20108,699.787.6%10,738
20118,536.185.3%10,722
20129,227.992.2%10,517
20138,836.888.3%10,511
20148,880.888.6%10,527
20158,834.288.2%10,551
20168,10480.7%9,934
20177,949.578.7%9,922
20189,130.890.4%9,928
20198,192.681.2%9,950
20208,217.881.2%9,927
20218,97189.0%9,942
20228,385.783.4%9,941
20237,166.571.3%9,981
20248,258.681.9%10,001
20258,238.181.9%9,972

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
1Conventional Steam CoalST604.8568.3Jun 1979Operating—coming soon
2Conventional Steam CoalST604.8573.9Sep 1980Operating—coming soon
4Petroleum LiquidsIC33Feb 2016Operating (Standby / backup)—coming soon
5Petroleum LiquidsIC33Jan 2016Operating (Standby / backup)—coming soon
3Petroleum LiquidsIC23Jun 1979Retired Jan 2016—coming soon

Owner / operator

Operator: Rainbow Energy Center. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Rainbow Energy Center100.0%1,216 MW

Nearby plants

Within 80 km.
Leland Olds656 MW16.4 km
Garrison583 MW23.1 km
FPL Energy Oliver Wind I LLC51 MW25.2 km
FPL Energy Oliver Wind II LLC48 MW25.2 km
Milton R Young734 MW34.9 km
Red Butte Wind—42.4 km