WindOperatingPSCO

Lamar Plant

Wind power plant in Prowers County, Colorado. 6 MW of nameplate capacity across 2 generators, operated by City of Lamar - (CO).

Also known as Lamar Municipal · EIA plant 508

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Twin Buttes II WindColorado Green Holdings LLCLas AnimasLamar Plant25 km
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4 plants within 59 km, from EIA coordinates.

Key facts

Capacity
6 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
February 2004First generator online
Operator
City of Lamar - (CO)EIA operator ID 10633
Grid
PSCOBalancing authority PSCO
Price nodes
None linkedNo verified ISO node
Location
Prowers County, CO38.0333, −102.5379
EIA plant ID
508EIA plant page

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

How much power Lamar Plant produces

Free · EIA-923

Net generation, 2025

8.23 GWh

8,234 MWh, final

Capacity factor, 2025

11.7%

2024: 17.9%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

8.2–13.2

GWh a year. Low 2025, high 2020

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
20000Not reported12 of 12
200165,450Not reported12 of 12
200261,690Not reported12 of 12
200337,224Not reported12 of 12
200428,001Not reported12 of 12
200518,662Not reported12 of 12
200617,114Not reported12 of 12
200717,110Not reported12 of 12
200818,114Not reported12 of 12
200948,138Not reported12 of 12
2010117,57824.1%12 of 12
201170,47714.4%12 of 12
201213,2552.7%12 of 12
201321,9784.5%12 of 12
201410,3592.1%12 of 12
20159,8062.0%12 of 12
201610,3432.1%12 of 12
201710,5802.2%12 of 12
201810,59615.1%12 of 12
20199,95014.2%12 of 12
202013,23218.8%12 of 12
202112,74418.2%12 of 12
202212,55717.9%12 of 12
202311,58616.5%12 of 12
202412,55717.9%12 of 12
20258,23411.7%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 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

CO₂, 2011

57,075

US short tons. 2010: 231,034

SO₂, 2011

40

US short tons

NOx, 2011

59

US short tons

CO₂ per MWh, calculated

0.81 t

About 1,620 lb per MWh

1 of 1 EPA units reported CO₂ in 2011 (8), matched to EIA plant 508 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.

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
T1-T3Onshore Wind Turbine4.5February 2004
T4Onshore Wind Turbine1.5February 2004

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 City of Lamar - (CO) 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 Lamar Plant

Questions about Lamar Plant

How much power does Lamar Plant produce?

Lamar Plant reported 8,234 MWh (8.23 GWh) of net generation in 2025, a 11.7% capacity factor on 6 MW of nameplate capacity.

Where is Lamar Plant?

Lamar Plant is in Prowers County, Colorado, at 38.0333, −102.5379. It is in the Public Service Company of Colorado balancing area (PSCO).

Who operates Lamar Plant?

EIA-860M for August 2026 lists City of Lamar - (CO) as the operator (EIA operator ID 10633). The operator is not always the owner.

When did Lamar Plant start operating?

Its first generator began operating in February 2004, 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)
  • EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
  • Project names from the USGS U.S. Wind Turbine Database

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