PFMG Solar Grossmont Helix LLC
Solar power plant in San Diego County, California. 1.2 MW of nameplate capacity across 1 generator, operated by Altus Power America Management, LLC.
Also known as PFMG Solar Grossmont Helix, LLC · EIA plant 62611
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1.2 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- May 2018First generator online
- Operator
- Altus Power America Management, LLCEIA operator ID 60281
- Grid
- CAISOBalancing authority CISO
- Price nodes
- None linkedNo verified ISO node
- Location
- San Diego County, CA32.7533, −117.0352
- EIA plant ID
- 62611EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power PFMG Solar Grossmont Helix produces
Free · EIA-923Net generation, 2025
2.10 GWh
2,096 MWh, final
Capacity factor, 2025
19.9%
2024: 19.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2019 to 2025
2.0–2.3
GWh a year. Low 2023, high 2020
| 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 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | 1,355 | Not reported | 8 of 12 |
| 2019 | 2,221 | 21.1% | 12 of 12 |
| 2020 | 2,279 | 21.6% | 12 of 12 |
| 2021 | 2,252 | 21.4% | 12 of 12 |
| 2022 | 2,224 | 21.2% | 12 of 12 |
| 2023 | 2,039 | 19.4% | 12 of 12 |
| 2024 | 2,047 | 19.4% | 12 of 12 |
| 2025 | 2,096 | 19.9% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo 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| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| HELIX | Solar Photovoltaic | 1.2 | May 2018 |
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 Altus Power America Management, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near PFMG Solar Grossmont Helix
More plants operated by Altus Power America Management, LLC
Questions about PFMG Solar Grossmont Helix
How much power does PFMG Solar Grossmont Helix LLC produce?
PFMG Solar Grossmont Helix LLC reported 2,096 MWh (2.10 GWh) of net generation in 2025, a 19.9% capacity factor on 1.2 MW of nameplate capacity.
Where is PFMG Solar Grossmont Helix LLC?
PFMG Solar Grossmont Helix LLC is in San Diego County, California, at 32.7533, −117.0352. It is in the California Independent System Operator balancing area (CISO).
Who operates PFMG Solar Grossmont Helix LLC?
EIA-860M for August 2026 lists Altus Power America Management, LLC as the operator (EIA operator ID 60281). The operator is not always the owner.
When did PFMG Solar Grossmont Helix LLC start operating?
Its first generator began operating in May 2018, 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)
- Project names from the USGS U.S. Large-Scale Solar Photovoltaic Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page