Daggett 1 is Clearway's 113.5 MW / 454 MWh four-hour battery phase in San Bernardino County. Its 15-year SDG&E agreement also carries a separate 91 MW, five-hour derated delivery basis; that contractual measure is not the plant's physical nameplate.
Mapped infrastructure geometry associated with this asset.
EIA plant 67931 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| DAG1 | Batteries | Operating | 113.5 | 454 |
Mapped infrastructure geometry associated with this asset.
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| DAG1 | 113.5 MW 113.5 MW summer | Batteries Electricity used for energy storage · BA | Sep 2025 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Project milestones and public references behind the asset profile.
EIA-923 reports gross generation and net grid exchange for storage plants. Gross generation is shown as a discharge proxy; it is not a cycle count or conventional capacity factor.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
EIA-860 lists generator DAG1 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Daggett 1 reports 113.5 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Daggett 1 is a Battery storage facility in San Bernardino County, CA, participating in the CAISO market.
Daggett 1 is in San Bernardino County, CA, inside the CAISO balancing area.
Daggett 1 is operated by Daggett Solar Power 1 LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Daggett 1 reported 79 GWh over the twelve months to 2026-07. For a storage plant this is reported gross generation — a discharge proxy, not a cycle count or a conventional capacity factor.
By capacity, Daggett 1 ranks #165 of 1,061 operating plants of the same technology nationally. It ranks #50 of 272 in CA.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.