# Sandrini Solar 100

CAISO Batteries, Solar Photovoltaic · https://askthegrid.com/assets/facilities/sandrini-solar-100

Sandrini Solar 100 is a hybrid solar and battery storage facility with 195.4 MW of EIA-reported operating capacity in Kern County, California, registered as EIA Plant ID 65664. EDPR CA Solar Park II LLC owns and operates the plant. The facility uses Nextracker NX Horizon equipment; public project records list 271,502 battery modules, and 31 PCS units. Commercial operation began in December 2024. The facility interconnects at Wheeler Ridge Substation at 230 kV.

## Key facts

- Technology: Batteries, Solar Photovoltaic
- Power capacity: 195.4 MW
- Operating status: operating

## Grid and market context

- ISO/RTO: CAISO
- Balancing authority: California Independent System Operator (CAISO/CISO)
- Substation: Wheeler Ridge Substation
- Point of interconnection: Wheeler Ridge Substation
- Transmission owner: Pacific Gas & Electric Co.
- Interconnection voltage: 230 kV

## Source-backed facts

- Owner logo domain: edpr.com — EDP Renewables North America Unveils Sandrini I & II... · confidence: medium
- Identifiers: [{"value":"65664","system":"EIA plant ID"},{"value":"64947","system":"EIA utility ID"},{"value":"CAISO (CISO)","system":"ISO/RTO / balancing authority"},{"value":"GEN02","system":"EIA generator ID"},{"value":"SANDRN_2_SS1SR1","system":"CAISO market resource (solar)"},{"value":"SANDRN_2_SS1BT1","system":"CAISO market resource (BESS)"},{"value":"Q1397","system":"CAISO interconnection queue"},{"value":"2021040761","system":"CEQA SCH number"}] — Cross-Reference Table · confidence: medium
- Identifiers: [{"value":"65664","system":"EIA plant ID"},{"value":"64947","system":"EIA utility ID"},{"value":"CAISO (CISO)","system":"ISO/RTO / balancing authority"},{"value":"GEN02","system":"EIA generator ID"},{"value":"SANDRN_2_SS1SR1","system":"CAISO market resource (solar)"},{"value":"SANDRN_2_SS1BT1","system":"CAISO market resource (BESS)"},{"value":"Q1397","system":"CAISO interconnection queue"},{"value":"2021040761","system":"CEQA SCH number"}] — 2026 NQC List · confidence: medium
- Identifiers: [{"value":"65664","system":"EIA plant ID"},{"value":"64947","system":"EIA utility ID"},{"value":"CAISO (CISO)","system":"ISO/RTO / balancing authority"},{"value":"GEN02","system":"EIA generator ID"},{"value":"SANDRN_2_SS1SR1","system":"CAISO market resource (solar)"},{"value":"SANDRN_2_SS1BT1","system":"CAISO market resource (BESS)"},{"value":"Q1397","system":"CAISO interconnection queue"},{"value":"2021040761","system":"CEQA SCH number"}] — Briefing on Resources available for near term interconnection · confidence: medium
- Identifiers: [{"value":"65664","system":"EIA plant ID"},{"value":"64947","system":"EIA utility ID"},{"value":"CAISO (CISO)","system":"ISO/RTO / balancing authority"},{"value":"GEN02","system":"EIA generator ID"},{"value":"SANDRN_2_SS1SR1","system":"CAISO market resource (solar)"},{"value":"SANDRN_2_SS1BT1","system":"CAISO market resource (BESS)"},{"value":"Q1397","system":"CAISO interconnection queue"},{"value":"2021040761","system":"CEQA SCH number"}] — Sandrini Solar Project by EDPR CA Solar Park, LLC · confidence: medium
- Description: Sandrini Solar 100 is an operating hybrid solar photovoltaic and battery plant in Kern County, California, with 195.4 MW of total nameplate capacity across two generating units. The facility is operated by EDPR CA Solar Park II LLC and includes a 100 MW solar photovoltaic generator identified as GEN02. It corresponds to the 100 MW Sandrini II phase, which was commissioned in the fourth quarter of 2024 and has a 15-year power purchase agreement with Redwood Coast Energy Authority. — EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America · confidence: medium
- Parties: [{"relationship":"Owner and operator","name":"EDPR CA Solar Park II LLC","official_url":"https://www.edpr.com/north-america"},{"relationship":"Developer, parent operator, and renewable project owner/operator","name":"EDP Renewables North America LLC","official_url":"https://www.edpr.com/north-america"},{"relationship":"Offtaker under 15-year PPA for Sandrini II","name":"Redwood Coast Energy Authority","official_url":"https://redwoodenergy.org"},{"relationship":"Transmission/distribution owner","name":"Pacific Gas & Electric Co.","official_url":"https://www.pge.com"}] — EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America · confidence: medium
- Identifiers.4: {"value":"SANDRN_2_SS1SR1","system":"CAISO market resource (solar)"} — Cross-Reference Table · confidence: medium
- Identifiers.5: {"value":"SANDRN_2_SS1BT1","system":"CAISO market resource (BESS)"} — 2026 NQC List · confidence: medium
- Identifiers.6: {"value":"Q1397","system":"CAISO interconnection queue"} — Briefing on Resources available for near term interconnection · confidence: medium
- Identifiers.7: {"value":"2021040761","system":"CEQA SCH number"} — Sandrini Solar Project by EDPR CA Solar Park, LLC · confidence: medium
- Parties.1: {"relationship":"Developer, parent operator, and renewable project owner/operator","name":"EDP Renewables North America LLC","official_url":"https://www.edpr.com/north-america"} — EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America · confidence: medium
- Parties.2: {"relationship":"Offtaker under 15-year PPA for Sandrini II","name":"Redwood Coast Energy Authority","official_url":"https://redwoodenergy.org"} — EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America · confidence: high
- Interconnection: PG&E Wheeler Ridge Substation; 100 MW interconnection at 70 kV. — Central Valley Regional Water Quality Control Board · confidence: medium
- Product url: https://www.longi.com/en/products/modules/ — High-efficiency Modules · confidence: medium
- Product url: https://www.longi.com/en/products/modules/ — HEMK · confidence: medium
- Product url: https://www.longi.com/en/products/modules/ — NX Horizon-XTR · confidence: medium
- Significance: Sandrini Solar 100 is the 100 MWac Sandrini II phase of the 300 MW Sandrini Solar Energy Park. It shares grid-connection infrastructure with Sandrini I and a co-located 368 MWh battery-storage facility, making it part of a large hybrid solar-and-storage development in Kern County. — Plenitude signs agreement with EDP Renewables to acquire two photovoltaic plants and a storage facility in the United States for a capacity of 245 MWdc · confidence: high
- Description: Sandrini Solar 100 is an operating solar photovoltaic and battery plant in Kern County, California, with 195.4 MW of total nameplate capacity across two generating units; its EIA-recorded solar generator has 100 MW of nameplate capacity. The plant is identified in EIA data as owned and operated by EDPR CA Solar Park II LLC and is connected to the CAISO system through infrastructure associated with the Sandrini project. It corresponds to the 100 MW Sandrini II phase, which has a 15-year power purchase agreement with the Redwood Coast Energy Authority. Sandrini I and II were commissioned in the fourth quarter of 2024, and in January 2025 Plenitude agreed to purchase a 49% equity stake in the broader Sandrini portfolio from EDP Renewables North America, subject to customary approvals. — EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America · confidence: medium
- Quality notes: ["The exact EIA asset is Sandrini Solar 100/Sandrini II, not the separate 200 MW Sandrini I phase. The official transaction description gives Sandrini 100 as 100 MWac/141 MWdc and describes the 368 MWh BESS separately, while EIA plant data reports 195.4 MW across two generating units and identifies energy storage as present.","The January 2025 transaction concerned a 49% equity stake in a portfolio containing Sandrini 100, Sandrini 200, and the shared BESS; it was not a disclosed sale of 100% of EIA plant 65664. The official announcement stated that closing remained subject to customary legal approvals.","The storage facility was described as still under construction in the January 16, 2025 transaction announcement. The cited record does not identify a distinct predecessor owner, retirement, or repowering event for EIA plant 65664."] — Sandrini Solar Project by EDPR CA Solar Park, LLC - CEQAnet · confidence: medium
- Timeline.0: {"event":"Initial offtake and development announcement","date":"2020-05-06","detail":"The Redwood Coast Energy Authority contracted for 100% of the output of a new 100 MW Sandrini Sol 1 Solar Park, which was expected to be operational in 2022 and was reported to represent estimated capital investment of more than $100 million."} — RCEA contracts for 100% of the output of a new... · confidence: medium
- Timeline.1: {"event":"Project permitting","date":"2021-04-30","detail":"CEQA materials described the Sandrini Solar Project proposed by EDPR CA Solar Park, LLC as a 300 MW alternating-current solar photovoltaic facility to be developed, constructed, and operated in Kern County."} — Sandrini Solar Project by EDPR CA Solar Park, LLC - CEQAnet · confidence: medium
- Timeline.2: {"event":"Notice of determination","date":"2022-02-01","detail":"Kern County received the Notice of Determination for the EDPR CA Solar Park, LLC project, covering up to 300 MW of solar generation and up to 100 MW of energy storage."} — Sandrini Solar Project by EDPR CA Solar Park, LLC - CEQAnet · confidence: high
- Timeline.4: {"event":"Project unveiling","date":"2025-01-07","detail":"EDP Renewables North America publicly unveiled the Sandrini I & II Solar Energy Park; the announcement identified the 200 MW Sandrini I and 100 MW Sandrini II phases, their 15-year PPAs, and more than 200 construction workers."} — EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America · confidence: high
- Commercial parties.1: {"relationship":"Developer, parent operator, and renewable-project owner/operator","name":"EDP Renewables North America LLC","detail":"EDPR North America developed the Sandrini I & II park and announced the project. It was the seller/counterparty in the January 2025 agreement for a 49% equity stake in the Sandrini portfolio.","official_url":"https://www.edpr.com/north-america"} — EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America · confidence: medium
- Commercial parties.3: {"relationship":"Offtaker under 15-year PPA for Sandrini II","name":"Redwood Coast Energy Authority","detail":"RCEA holds the 15-year power purchase agreement for the 100 MW Sandrini II phase corresponding to Sandrini Solar 100.","official_url":"https://redwoodenergy.org"} — EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America · confidence: high
- Commercial parties.4: {"relationship":"Offtaker under 15-year PPA for Sandrini I","name":"Shell Energy North America","detail":"Shell Energy North America holds the 15-year power purchase agreement for the separate 200 MW Sandrini I phase in the same park.","official_url":"https://www.shell.com"} — EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America · confidence: high
- Quality notes.2: The storage facility was described as still under construction in the January 16, 2025 transaction announcement. — Plenitude signs agreement with EDP Renewables to acquire two photovoltaic plants and a storage facility in the United States for a capacity of 245 MWdc · confidence: high
- Quality notes.3: Earlier permitting materials identify EDPR CA Solar Park, LLC as the project proponent. The cited record does not identify a distinct predecessor owner, retirement, or repowering event for EIA plant 65664. — Sandrini Solar Project by EDPR CA Solar Park, LLC - CEQAnet · confidence: medium

## Timeline

- 2020-05-06 — Power purchase agreement
  EDP Renewables North America and Redwood Coast Energy Authority executed a 15-year PPA for 100 MW from the Sandrini Sol 1 solar park. RCEA was identified as the sole offtaker and contracted to receive 100% of project output. EDP's later official project announcement identifies the 100 MW Sandrini II phase as having the 15-year PPA with RCEA, matching the exact 100 MW Sandrini Solar asset.
  Source: RCEA contracts for 100% of the output of a new 100 megawatt solar project » California Community Choice Association (CalCCA) (https://cal-cca.org/rcea-contracts-for-100-of-the-output-of-a-new-100-megawatt-solar-project/)
- 2021-04-30 — Project permitting
  CEQA materials described the Sandrini Solar Project proposed by EDPR CA Solar Park, LLC as a 300 MW alternating-current solar photovoltaic facility to be developed, constructed, and operated in Kern County.
  Source: Sandrini Solar Project by EDPR CA Solar Park, LLC - CEQAnet (https://ceqanet.lci.ca.gov/2021040761)
- 2024-12 — Commercial operation
  EIA plant data lists Sandrini Solar 100's initial operation date as December 2024. EDPR separately stated that both Sandrini I and Sandrini II were commissioned in the fourth quarter of 2024.
  Source: EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America (https://edp.com/en/north-america/na/media/edp-renewables-north-america-unveils-sandrini-i-ii-solar-energy-park)
- 2025-01-07 — Project unveiling
  EDP Renewables North America publicly unveiled the Sandrini I & II Solar Energy Park; the announcement identified the 200 MW Sandrini I and 100 MW Sandrini II phases, their 15-year PPAs, and more than 200 construction workers.
  Source: EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America (https://edp.com/en/north-america/na/media/edp-renewables-north-america-unveils-sandrini-i-ii-solar-energy-park)

## Sources

- [EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America](https://www.edpr.com/north-america/EDP-Renewables-North-America-Unveils-Sandrini-Solar-Energy-Park-in-California-for-Redwood-Coast-Energy-Authority-and-Shell-Energy-North-America) — edpr.com · tier other
- [Cross-Reference Table](https://www.energy.ca.gov/sites/default/files/2025-04/Energy_Commission_Power_Plant_ID_Cross_Reference_Table_2024.xlsx) — energy.ca.gov · tier regulatory
- [2026 NQC List](https://www.caiso.com/documents/net-qualifying-capacity-report-for-compliance-year-2026.xlsx) — caiso.com · tier other
- [Briefing on Resources available for near term interconnection](https://www.caiso.com/documents/briefing-resourcesavailable-nearterminterconnection.pdf) — caiso.com · tier other
- [Sandrini Solar Project by EDPR CA Solar Park, LLC - CEQAnet](https://ceqanet.lci.ca.gov/2021040761/4) — ceqanet.lci.ca.gov · tier regulatory
- [EDP Renewables North America Unveils Sandrini I & II Solar Energy Park in Southern California for Redwood Coast Energy Authority and Shell Energy North America](https://edp.com/en/north-america/na/media/edp-renewables-north-america-unveils-sandrini-i-ii-solar-energy-park) — edp.com · tier other
- [Central Valley Regional Water Quality Control Board](https://water.waterboards.ca.gov/centralvalley/board_decisions/tentative_orders/2206/16_wdr/16b_sandrinisolar/sandrinisolar_wdrs.pdf) — water.waterboards.ca.gov · tier regulatory
- [EDP Renewables announces another 300 MW of solar now operational in Kern County - pv magazine USA](https://pv-magazine-usa.com/2025/01/08/edp-renewables-announces-another-300-mw-of-solar-now-operational-in-kern-county/) — pv-magazine-usa.com · tier other
- [EDPR informs on around 100 MW of storage capacity secured in the US](https://edpr-investors.com/en/media/news/edpr-informs-around-100-mw-storage-capacity-secured-us) — edpr-investors.com · tier other
- [High-efficiency Modules](https://www.longi.com/en/products/modules/) — longi.com · tier other
- [HEMK](https://power-electronics.com/en/solar/hemk) — power-electronics.com · tier other
- [NX Horizon-XTR](https://www.nextracker.com/horizon-xtr/) — nextracker.com · tier other
- [Plenitude signs agreement with EDP Renewables to acquire two photovoltaic plants and a storage facility in the United States for a capacity of 245 MWdc](https://edp.com/en/north-america/na/media/plenitude-signs-agreement-edp-renewables-acquire-two-photovoltaic-plants-and) — edp.com · tier other
- [RCEA contracts for 100% of the output of a new ...](https://cal-cca.org/rcea-contracts-for-100-of-the-output-of-a-new-100-megawatt-solar-project/) — cal-cca.org · tier other
- [Sandrini Solar Project by EDPR CA Solar Park, LLC](https://ceqanet.lci.ca.gov/2021040761) — ceqanet.lci.ca.gov · tier regulatory
- [Source](https://www.eni.com/content/dam/enicom/documents/eng/sustainability/2025/eni-for-2025-just-transition-eng.pdf) — eni.com · tier other

## Data quality

- The exact EIA asset is Sandrini Solar 100/Sandrini II, not the separate 200 MW Sandrini I phase. The official transaction description gives Sandrini 100 as 100 MWac/141 MWdc and describes the 368 MWh BESS separately, while EIA plant data reports 195.4 MW across two generating units and identifies energy storage as present. The January 2025 transaction concerned a 49% equity stake in a portfolio containing Sandrini 100, Sandrini 200, and the shared BESS; it was not a disclosed sale of 100% of EIA plant 65664. The official announcement stated that closing remained subject to customary legal approvals. The storage facility was described as still under construction in the January 16, 2025 transaction announcement. Earlier permitting materials identify EDPR CA Solar Park, LLC as the project proponent. The cited record does not identify a distinct predecessor owner, retirement, or repowering event for EIA plant 65664.

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