Solar Gen 2 Solar Facility
Southern PowerImperial County
Solar Gen 2 is a photovoltaic facility across the Arkansas, Alhambra, and Sonora sites in Imperial County, California. EIA reports 163.2 MW of nameplate capacity. Southern Power’s fact sheet names Southern Power and Capital Dynamics as co-owners, identifies First Solar as developer and operations-and-maintenance contractor, and describes a 25-year power purchase agreement with SDG&E. Commercial operation began in November 2014.
Mapped infrastructure geometry associated with this asset.
Solar Photovoltaic
Solar Gen 2 Solar Facility is operating.
Imperial Irrigation District (IID)
CAISO
EIA plant 58592 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| ALHM | Solar Photovoltaic | Operating | 54.4 | Unknown |
| ARK | Solar Photovoltaic | Operating | 54.4 | Unknown |
| SONR | Solar Photovoltaic | Operating | 54.4 | Unknown |
Southern Power’s fact sheet identifies SDG&E as the electricity buyer under a 25-year power purchase agreement. It names Southern Power and Capital Dynamics as owners and First Solar as developer, EPC contractor, and operations-and-maintenance contractor.
Source: www.southernpowercompany.com exact-project source · as of 2020-06
The owner’s fact sheet groups Arkansas, Alhambra, and Sonora as one 163 MW facility across three sites totaling 1,451 acres. EIA’s plant 58592 inventory reports 163.2 MW of nameplate capacity.
Source: www.southernpowercompany.com exact-project source · as of 2020-06
Similar plants ranked by technology, capacity, and distance.
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| ALHM | 54.4 MW 50 MW summer | Solar Photovoltaic PV | Nov 2014 | Operating |
| ARK | 54.4 MW 50 MW summer | Solar Photovoltaic PV | Nov 2014 | Operating |
| SONR | 54.4 MW 50 MW summer | Solar Photovoltaic PV | Nov 2014 | 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.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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Project milestones and public references behind the asset profile.
The facility entered commercial operation and was placed in service.
CAISO · Imperial County
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 | |
|---|---|---|---|
| H Allen Franklin Combined Cycle | 1,995.7 MW | AL | |
| E B Harris Electric Generating Plant | 1,304 MW | AL | |
| Wansley Combined Cycle | 1,239 MW | GA | |
| Rowan | 1,192 MW | NC | |
| Dahlberg | 919 MW | GA | |
| Cleveland Cnty Generating Facility | 736 MW | NC | |
| Edward L. Addison Generating Plant | 701.2 MW | GA | |
| Millers Branch Solar | 380 MW | TX |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioSouthern Power allocated $495 million from its Series 2015C and 2015D green-bond proceeds to Solar Gen 2.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Southern Power’s fact sheet identifies SDG&E as the electricity buyer under a 25-year power purchase agreement. It names Southern Power and Capital Dynamics as owners and First Solar as developer, EPC contractor, and operations-and-maintenance contractor.
The owner’s fact sheet groups Arkansas, Alhambra, and Sonora as one 163 MW facility across three sites totaling 1,451 acres. EIA’s plant 58592 inventory reports 163.2 MW of nameplate capacity.
Solar Gen 2 Solar Facility reports 163.2 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Solar Gen 2 Solar Facility is a Solar Photovoltaic facility in Imperial County, CA, participating in the CAISO market.
Solar Gen 2 Solar Facility is in Imperial County, CA, inside the CAISO balancing area.
Solar Gen 2 Solar Facility is operated by Southern Power Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Solar Gen 2 Solar Facility reported 364.2 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.
Solar Gen 2 Solar Facility interconnects at Imperial Valley substation, on the Imperial Irrigation District (IID) system.
By capacity, Solar Gen 2 Solar Facility ranks #259 of 7,597 operating plants of the same technology nationally. It ranks #42 of 972 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.