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13.5 MW Wind planned in Alameda, CA — California Independent System Operator
13.5 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
Planned: —
Planned Operation
Coordinates
37.7438, -121.6078
County
Alameda, CA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Viracocha Wind LLC | Sustainable Power Group LLC | — |
| Owner(s) | Viracocha Wind LLC | Sustainable Power Group LLC | — |
| Status | Planned | pre-construction | — |
Sand Hill A is a 13.5 MW wind power plant located in Alameda County, California. The facility consists of a single generator utilizing onshore wind turbine technology. It is owned and operated by Viracocha Wind LLC.
The plant's electricity production is managed within the California Independent System Operator (CAISO) balancing authority, which operates within the Western Electricity Coordinating Council (WECC) NERC region. Sand Hill A ranks as the 82nd largest power plant in California out of 116, and nationally it is ranked 1120 out of 1424.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$2,114/kW
Est. Construction Cost
Total estimated cost: $28.5M
Point of Interconnection
Nearest Substation
Ralph Substation
Substation Distance
0.445 km
Operator
Pacific Gas and Electric Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
SEAWEST_6_N001
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about Sand Hill ACalifornia Independent System Operator (CISO)
Grid Voltage
60.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP