# Desert Peak Energy Storage I

CAISO asset profile · https://askthegrid.com/assets/facilities/desert-peak-energy-storage-i

Desert Peak Energy Storage I, LLC - Riverside County - CAISO

Desert Peak Energy Storage I is a 325 MW / 1,300 MWh standalone lithium-ion battery energy storage system located in Palm Springs, Riverside County, California. The facility operates in the CAISO market and is wholly owned by NextEra Energy Resources, LLC. It entered service in Q3 2023 and was the largest standalone battery storage project to come online in that quarter. The 230-kV generation tie line connects the project's collector substation to the SCE Devers substation.

## Metrics

- **Nameplate capacity:** 325 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 65987 — plant-65987

## Facts

- **Technology:** Batteries
- **Operator:** Desert Peak Energy Storage I, LLC

## Related parties

- **Owner / developer:** NextEra Energy Resources, LLC — Ultimate owner and developer ([source](https://www.nexteraenergyresources.com/home.html))
- **Offtaker / commercial participant:** Southern California Edison Company — Long-term contracted off-taker ([source](https://www.sce.com))
- **Transmission owner / interconnecting utility:** Southern California Edison Company — Transmission owner (Devers Substation) ([source](https://www.sce.com))
- **Regulator:** Federal Energy Regulatory Commission — Federal market-rate regulator ([source](https://www.ferc.gov))
- **Parent company:** NextEra Energy, Inc. — Parent company ([source](https://www.nexteraenergy.com))

## Sources

- [investor.nexteraenergy.com](http://investor.nexteraenergy.com/~/media/Files/N/NEE-IR/investor-materials/supplemental-resources/generation-portfolios/2025/Copy%20of%20FPL_NextEra%20Energy%20Resources%20Generation%20Portfolios_9302025.pdf) — investor.nexteraenergy.com · public_source — Source retained for exact-record publication review.
- [newsroom.edison.com](http://newsroom.edison.com/releases/sce-adds-an-additional-590-megawatts-of-new-energy-storage-capacity-to-its-clean-energy-portfolio) — newsroom.edison.com · public_source — Source retained for exact-record publication review.
- [ceqanet.opr.ca.gov](https://ceqanet.opr.ca.gov/2022050101) — ceqanet.opr.ca.gov · authoritative — Source retained for exact-record publication review.
- [cleanpower.org](https://cleanpower.org/wp-content/uploads/2023/11/ACP_Q3-2023-Market-Report-Public.pdf) — cleanpower.org · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/desert-peak-energy-storage-i

Source: Ask the Grid — https://askthegrid.com/