Ocotillo Express
Pattern Energy Group Inc.Imperial County
Ocotillo Express LLC, also known as Ocotillo Wind, is Pattern Energy’s wind facility in Imperial County, California. EIA reports 265.4 MW of nameplate capacity; Pattern describes the project as 265 MW and says it sells energy to SDG&E under a 20-year power purchase agreement. Its Sunrise Powerlink connection links the Imperial Valley project to the San Diego transmission system.
Onshore Wind Turbine
Ocotillo Express LLC is operating.
500 kV · San Diego Gas & Electric Company (SDG&E)
CAISO
EIA plant 57514 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| WTG | Onshore Wind Turbine | Operating | 265.4 | Unknown |
Pattern Energy’s project page identifies SDG&E as the electricity buyer under a 20-year power purchase agreement. That buyer role is separate from Pattern’s project role.
Pattern identifies Ocotillo as the first renewable project to transmit electricity over Sunrise Powerlink, the transmission line connecting the Imperial Valley and San Diego. The project is physically in Imperial County.
Similar plants ranked by technology, capacity, and distance.
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| WTG | 265.4 MW 265.4 MW summer | Onshore Wind Turbine WT | Dec 2012 | 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 project was under construction, with road and civil work substantially complete, most turbine foundations installed, and more than 30 turbines assembled by October 2012.
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 | |
|---|---|---|---|
| SunZia Wind South | 2,561.2 MW | NM | |
| SunZia Wind North | 1,089 MW | NM | |
| Red Cloud Wind LLC | 350 MW | NM | |
| Clines Corners Wind Farm LLC | 325 MW | NM | |
| Pattern Gulf Wind | 283.2 MW | TX | |
| Tecolote Wind LLC | 272 MW | NM | |
| Ocotillo Express LLCCurrent | 265.4 MW | CA | |
| Grady Wind Energy Center, LLC | 220.5 MW | NM |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioPattern announced financial close for the 265 MW project using a seven-year commercial-bank tranche and a 20-year North American Development Bank tranche. GreenHunter separately disclosed a US$2,936,500 sale-related milestone payment on the same date.
The project reached commercial operation with 94 turbines erected and operational and began transmitting energy over the Sunrise Powerlink; the remaining 18 turbines were scheduled for spring 2013 installation.
Construction was completed during 2013 and the facility became fully operational in fall 2013.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Pattern Energy’s project page identifies SDG&E as the electricity buyer under a 20-year power purchase agreement. That buyer role is separate from Pattern’s project role.
Pattern identifies Ocotillo as the first renewable project to transmit electricity over Sunrise Powerlink, the transmission line connecting the Imperial Valley and San Diego. The project is physically in Imperial County.
Ocotillo Express reports 265.4 MW wind of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Ocotillo Express is a Onshore Wind Turbine facility in Imperial County, CA, participating in the CAISO market.
Ocotillo Express is in Imperial County, CA, inside the CAISO balancing area.
Ocotillo Express is operated by Pattern Operators LP according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Ocotillo Express reported 410.5 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
Ocotillo Express interconnects at New 500 kV substation connecting the facility to Sunrise Powerlink, on the San Diego Gas & Electric Company (SDG&E) system.
By capacity, Ocotillo Express ranks #129 of 1,374 operating plants of the same technology nationally. It ranks #2 of 110 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.
