Cunningham Solar I & BESS
Southwestern Public Service CompanyLea County
Cunningham Solar I & BESS is Southwestern Public Service's 72 MW solar facility paired with a 36 MW/36 MWh lithium-ion battery near Hobbs, New Mexico. Both units entered service in April 2026 and reuse the existing Cunningham thermal-plant interconnection. The two technology ratings are shown separately rather than summed as solar capacity.
June 2026 preliminary EIA inventory; status OP.
EIA plant 69258 · Inventory reporting month unavailable.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| CHCB | Batteries | Operating | 36 | Unknown |
| CHCS1 | Solar Photovoltaic | Operating | 72 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CHCB | 36 MW 36 MW summer | Batteries Electricity used for energy storage · BA | Apr 2026 | Operating |
| CHCS1 | 72 MW 72 MW summer | Solar Photovoltaic Solar · PV | Apr 2026 | 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.
Lithium-ion battery; June 2026 preliminary EIA inventory.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Tolk | 1,135.8 MW | TX | |
| Harrington | 1,080 MW | TX | |
| Jones | 860.4 MW | TX | |
| Sagamore Wind | 522 MW | NM | |
| Hale Community Wind Farm | 478 MW | TX | |
| Nichols | 474.7 MW | TX | |
| Cunningham | 444.2 MW | NM | |
| Maddox | 212 MW | NM |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Solar photovoltaic; June 2026 preliminary EIA inventory.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Cunningham Solar I & BESS reports 36 MW battery storage + 72 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Form 860M.
Cunningham Solar I & BESS is a Solar photovoltaic + Lithium-ion battery facility in Lea County, NM, participating in the SPP market.
Cunningham Solar I & BESS is in Lea County, NM, inside the SPP balancing area.
Cunningham Solar I & BESS is operated by Southwestern Public Service Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Cunningham Solar I & BESS reports a commercial operation date of 2026-04. Source: EIA Form 860M.
Cunningham Solar I & BESS reported 80.4 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Cunningham Solar I & BESS ranks #842 of 7,597 operating plants of the same technology nationally. It ranks #13 of 111 in NM.
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.