Unionville

Power plant · Oil

Key facts

Power plant · Oil Operating

Commissioned: 1976
Net generation, 2025: 34 MWh
Grid: 69 kV to Associated Electric Coop, Inc (AECI)
Location: Putnam County, Missouri
Operated by: Associated Electric Coop, IncSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Net generation MWh by year, 2001 to 2025

Fuel burned MMBtu by year, 2001 to 2025

No companies named in filings yet.

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Technology: Oil source: “Petroleum Liquids”
Age: 50 years since 1976
Unused energy: 466 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate: 19,235 Btu/kWh 2025

All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Grid	Nerc region SERC Report year 2025 Grid voltage kv 69 Transmission owner Associated Electric Coop, Inc Balancing authority code AECI Balancing authority name Associated Electric Cooperative, Inc.
Fuel burned (MMBtu), 2025	654
Capacity factor, 2025	0.000
Heat rate (Btu/kWh), 2025	19,235.3
Net generation (MWh), 2025	34
Balancing authority code	AECI

3 sources

Sources

EIA-860MOpen license · retrieved Nov 4, 2026
EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
EIA-860M Preliminary Monthly Electric Generator Inventory

Projects within 25 km, nearest first.
Project	Kind	Away	MW
Green City Renewable Energy Center Hybrid Postponed	Solar + storage	22.6 km	12.5

Sources