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Adair County, Iowa · EIA plant ID 7856 · Operator: City of Greenfield - (IA)
OilPetroleum LiquidsMISOBA: MISO
Nameplate8MWSummer 8 MW
Generators4in service
Net generation0GWh12 mo to Dec 2025
Capacity factor0%gas/coal/oil units, summer MW
Heat rate8,727Btu/kWhfossil units, electric fuel, HHV
First online2002Runs as rarely runs

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0102030MWh200220042006200820102012201420162018202020222024

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%1%1%200520102015202020250.0% · 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.
010,00020,000200520102015202020258,727 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20020.10.3%9,828
20030.31.0%9,709
20040.10.4%15,575
20050.10.2%9,626
20060.10.2%9,522
20070.10.2%9,571
200800.1%9,714
200900.1%9,552
20100.10.3%10,109
201100.1%11,471
20120.20.3%10,009
20130.10.1%10,040
201400.0%11,000
201500.1%10,650
20160.10.1%10,302
20170.20.2%10,238
20180.10.1%10,208
20190.10.1%10,435
202000.0%26,842
20210.10.2%10,128
20220.10.1%10,438
202300.1%10,133
20240.10.1%12,800
202500.0%8,727

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
1Petroleum LiquidsIC1.81.8Jan 2002Operating—coming soon
2Petroleum LiquidsIC1.81.8Jan 2002Operating—coming soon
3Petroleum LiquidsIC2.22.2Nov 2011Operating—coming soon
4Petroleum LiquidsIC2.22.2Nov 2011Operating—coming soon

Owner / operator

Operator: City of Greenfield - (IA). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
City of Greenfield - (IA)100.0%8 MW

Nearby plants

Within 80 km.
Downtown Generation Plant5 MW1.5 km
Sky Volt2 MW3.9 km
Greenfield Wind2 MW3.9 km
Meadow Ridge2 MW8.2 km
Wolverine2 MW8.6 km
Fontanelle2 MW9.9 km