Slate Hybrid is a hybrid solar and battery storage facility with 440.3 MW of EIA-reported total operating capacity and 561 MWh of reported storage energy capacity in Kings County, California, registered as EIA Plant ID 63727. Goldman Sachs Renewable Power LLC is the current owner; MN8 Energy LLC is the registered plant entity or operator. Project filings list 962,000 solar panels for the facility.
Mapped infrastructure geometry associated with this asset.
Solar Photovoltaic, Batteries
4-hour storage duration
Slate Hybrid is operating.
CAISO
CAISO · Kings County
EIA plant 63727 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| SL3EC | Solar Photovoltaic | Operating | 67.5 | Unknown |
| SLATE | Solar Photovoltaic | Operating | 50.5 | Unknown |
| SLB3C | Batteries | Operating | 33.8 | 135 |
| SLBES | Batteries | Operating | 50 | 200 |
| SLBPW | Batteries | Operating | 10 | 40 |
| SLBSV | Batteries | Operating | 46.5 | 186 |
| SLPWR | Solar Photovoltaic | Operating | 26 | Unknown |
| SLSTN | Solar Photovoltaic | Operating | 63 | Unknown |
| SLSVC | Solar Photovoltaic | Operating | 93 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| SL3EC | 67.5 MW 67.5 MW summer | Solar Photovoltaic PV | Mar 2022 | Operating |
| SLATE | 50.5 MW 50.5 MW summer | Solar Photovoltaic PV | Nov 2021 | Operating |
| SLB3C | 33.8 MW 33.8 MW summer | Batteries BA | Mar 2022 | Operating |
| SLBES | 50 MW 50 MW summer | Batteries BA | Apr 2022 | Operating |
| SLBPW | 10 MW 10 MW summer | Batteries BA | Mar 2022 | Operating |
| SLBSV | 46.5 MW 46.5 MW summer | Batteries BA | Feb 2022 | Operating |
| SLPWR | 26 MW 26 MW summer | Solar Photovoltaic PV | Mar 2022 | Operating |
| SLSTN | 63 MW 63 MW summer | Solar Photovoltaic PV | Apr 2022 | Operating |
| SLSVC | 93 MW 93 MW summer | Solar Photovoltaic PV | Feb 2022 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
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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| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Slate HybridCurrent | 440.3 MW | CA | |
| RE Mustang LLC | 175 MW | CA | |
| Mount Signal Solar Farm II | 153.5 MW | CA | |
| Hudson - High Desert Hybrid | 150 MW | CA | |
| American Beech Solar LLC | 140 MW | NC | |
| Prairie Solar LLC | 135 MW | IL | |
Project milestones and public references behind the asset profile.
The 300 MWac solar and 140.25 MW/561 MWh storage project had commenced construction by the January 2021 sale announcement.
Natixis acted as administrative agent and joint lead arranger on $515.9 million of senior-secured credit facilities and had separately arranged a $150 million equity bridge loan for the project owner’s equity contribution.
EIA-860 lists generator SLATE with this operating date.
EIA-860 lists generator SLBSV, generator SLSVC with this operating date.
EIA-860 lists generator SL3EC, generator SLB3C, generator SLBPW, generator SLPWR with this operating date.
MN8’s project history states that Slate achieved commercial operation by April 2022.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Slate reports 300 MW solar + 140.3 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Slate is a Solar Photovoltaic, Batteries facility in Kings County, CA, participating in the CAISO market.
Slate is in Kings County, CA, inside the CAISO balancing area.
Slate is operated by MN8 Energy LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Slate reported 689.6 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Slate ranks #45 of 7,597 operating plants of the same technology nationally. It ranks #7 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.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
