Roseville Energy Park
Natural gas power plant in Placer County, California. 165 MW of nameplate capacity across 3 generators, operated by City of Roseville - (CA).
Also known as EIA plant 56298
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Key facts
- Capacity
- 165 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- November 2007First generator online
- Operator
- City of Roseville - (CA)EIA operator ID 16295
- Grid
- BANCBalancing authority BANC
- Price nodes
- None linkedNo verified ISO node
- Location
- Placer County, CA38.7928, −121.3811
- EIA plant ID
- 56298EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Roseville Energy Park produces
Free · EIA-923Net generation, 2025
462 GWh
461,905 MWh, final
Capacity factor, 2025
23.4%
2024: 28.1%
January to July 2026
160 GWh
Provisional
Range, 2015 to 2025
24.9–630.9
GWh a year. Low 2017, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | 86,750 | Not reported | 3 of 12 |
| 2008 | 705,745 | Not reported | 12 of 12 |
| 2009 | 733,766 | Not reported | 12 of 12 |
| 2010 | 502,960 | 35.0% | 12 of 12 |
| 2011 | 133,039 | Not reported | 12 of 12 |
| 2012 | 577,674 | Not reported | 12 of 12 |
| 2013 | 557,107 | 38.8% | 12 of 12 |
| 2014 | 538,616 | 37.5% | 12 of 12 |
| 2015 | 630,942 | 43.9% | 12 of 12 |
| 2016 | 389,502 | 27.0% | 12 of 12 |
| 2017 | 24,923 | 1.7% | 12 of 12 |
| 2018 | 247,650 | 17.2% | 12 of 12 |
| 2019 | 294,137 | Not reported | 12 of 12 |
| 2020 | 309,554 | 21.4% | 12 of 12 |
| 2021 | 513,068 | 35.5% | 12 of 12 |
| 2022 | 360,952 | Not reported | 5 of 12 |
| 2023 | 343,566 | 17.4% | 12 of 12 |
| 2024 | 556,343 | 28.1% | 12 of 12 |
| 2025 | 461,905 | 23.4% | 12 of 12 |
| 2026 (provisional, partial year) | 159,639 | 13.9% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
228,531
US short tons. 2024: 274,060
SO₂, 2025
1
US short tons
NOx, 2025
11
US short tons
CO₂ per MWh, calculated
0.49 t
About 990 lb per MWh
4 of 4 EPA units reported CO₂ in 2025 (CT001, CT002, CT005, CT006), matched to EIA plant 56298 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, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 0001 | Natural Gas Fired Combined Cycle | 40.0 | November 2007 |
| 0002 | Natural Gas Fired Combined Cycle | 40.0 | November 2007 |
| 0003 | Natural Gas Fired Combined Cycle | 85.0 | November 2007 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists City of Roseville - (CA) as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Roseville Energy Park
How much power does Roseville Energy Park produce?
Roseville Energy Park reported 461,905 MWh (462 GWh) of net generation in 2025, a 23.4% capacity factor on 165 MW of nameplate capacity. From January to July 2026 it reported 160 GWh, which is provisional.
Where is Roseville Energy Park?
Roseville Energy Park is in Placer County, California, at 38.7928, −121.3811. It is in the Balancing Authority of Northern California balancing area (BANC).
Who operates Roseville Energy Park?
EIA-860M for August 2026 lists City of Roseville - (CA) as the operator (EIA operator ID 16295). The operator is not always the owner.
When did Roseville Energy Park start operating?
Its first generator began operating in November 2007, 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
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page