Pome BESS
Battery storage project in San Diego County, California. 100 MW of nameplate capacity across 1 generator, operated by MN8 Energy LLC.
Also known as EIA plant 67299
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 100 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- October 2025First generator online
- Operator
- MN8 Energy LLCEIA operator ID 61944
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- San Diego County, CA32.9400, −117.0319
- EIA plant ID
- 67299EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Pome BESS produces
Free · EIA-923Net generation, 2025
−7.90 GWh
−7,903 MWh, final. 3 of 12 months reported
Battery discharge, 2025
25.9 GWh
Charge 33.8 GWh
January to July 2026
−9.13 GWh
Provisional
| 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 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | Not reported | Not reported | 0 of 12 |
| 2025 | −7,903 | Not reported | 3 of 12 |
| 2026 (provisional, partial year) | −9,130 | Not reported | 7 of 7 |
* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.
Power prices and basis
Free account · CAISOEmissions
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 |
|---|---|---|---|
| 10101 | Batteries | 100.0 | October 2025 |
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 MN8 Energy LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Questions about Pome BESS
How much power does Pome BESS produce?
Pome BESS reported −7,903 MWh (−7.90 GWh) of net generation in 2025. From January to July 2026 it reported −9.13 GWh, which is provisional. 3 of 12 months were reported for 2025.
Where is Pome BESS?
Pome BESS is in San Diego County, California, at 32.9401, −117.0319. It is in the California Independent System Operator balancing area (CISO).
Who operates Pome BESS?
EIA-860M for August 2026 lists MN8 Energy LLC as the operator (EIA operator ID 61944). The operator is not always the owner.
When did Pome BESS start operating?
Its first generator began operating in October 2025, according to EIA-860M.
Does InfraMap have power prices for Pome BESS?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Pome BESS, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page