SolarOperatingSPP

Butler Solar Power Project

Solar power plant in Bates County, Missouri. 2.8 MW of nameplate capacity across 1 generator, operated by Missouri Jnt Muni.Pwr Elec. Ut. Comm..

Also known as EIA plant 58959

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La CygneNevadaSouth HarperEl Dorado Springs Sol…OsawatomieRalph GreenButler Solar Power Project25 km
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6 plants within 58 km, from EIA coordinates.

Key facts

Capacity
2.8 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
March 2014First generator online
Operator
Missouri Jnt Muni.Pwr Elec. Ut. Comm.EIA operator ID 12670
Grid
SPPBalancing authority SWPP
Price nodes
None linkedNo verified ISO node
Location
Bates County, MO38.2700, −94.3500
EIA plant ID
58959EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Butler Solar Power Project produces

Free · EIA-923

Net generation, 2025

4.15 GWh

4,151 MWh, final

Capacity factor, 2025

16.9%

2024: 18.3%

January to July 2026

2.64 GWh

Provisional

Range, 2015 to 2025

4.1–4.7

GWh a year. Low 2019, high 2016

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
2013Not reportedNot reported0 of 12
20144,061Not reported10 of 12
20154,58018.7%12 of 12
20164,69919.1%12 of 12
20174,50218.4%12 of 12
20184,08616.7%12 of 12
20194,07816.6%12 of 12
20204,15716.9%12 of 12
20214,19617.1%12 of 12
20224,28717.5%12 of 12
20234,48918.3%12 of 12
20244,50418.3%12 of 12
20254,15116.9%12 of 12
2026 (provisional, partial year)2,63718.5%7 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account

No verified ISO price node is linked to this plant, or its price history could not load.

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
BSF1Solar Photovoltaic2.8March 2014

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Missouri Jnt Muni.Pwr Elec. Ut. Comm. as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Modeled curtailment

A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.

Modeled

Expected vs reported generation

Monthly modeled expected output and physical potential next to EIA-923 reported output.

Analyst and MCP

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Power plants near Butler Solar Power Project

More plants operated by Missouri Jnt Muni.Pwr Elec. Ut. Comm.

Questions about Butler Solar Power Project

How much power does Butler Solar Power Project produce?

Butler Solar Power Project reported 4,151 MWh (4.15 GWh) of net generation in 2025, a 16.9% capacity factor on 2.8 MW of nameplate capacity. From January to July 2026 it reported 2.64 GWh, which is provisional.

Where is Butler Solar Power Project?

Butler Solar Power Project is in Bates County, Missouri, at 38.2700, −94.3500. It is in the Southwest Power Pool balancing area (SWPP).

Who operates Butler Solar Power Project?

EIA-860M for August 2026 lists Missouri Jnt Muni.Pwr Elec. Ut. Comm. as the operator (EIA operator ID 12670). The operator is not always the owner.

When did Butler Solar Power Project start operating?

Its first generator began operating in March 2014, according to EIA-860M.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page