Yerba Buena

Storage power plant in California, United States of America. Approximate location 37.3058, -121.755.

StorageCaliforniaUnited States of America

Yerba Buena is a 4 MW storage power plant in California, United States of America. It is operated by Pacific Gas & Electric Co.. Based on its capacity (estimated), it can supply roughly 1.0k homes (estimated). It ranks #7706 of 10,938 United States of America power plants by installed capacity. Commissioned in 2013, it is around 13 years old — relatively modern. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

4Legacy source-record capacity
1,001homes powered (est.)
2013commissioned (~13 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0059257.

Data status

Known data

FacilityYerba Buena WRI
CountryUnited States of America · California WRI
Coordinates37.3058, -121.755 WRI
FuelStorage WRI
MW installed capacity4 MW WRI source record; scope not independently normalised
OwnerPacific Gas & Electric Co. WRI
Commissioned2013 WRI

Calculated from dataset

Capacity rank in country#7706 of 10938 calculated
Fuel-specific rank in country#53 of 104 calculated
Capacity vs country/fuel peers1.00× · 4 MW median · 104 peers calculated
Homes-powered equivalent1,001 calculated
Climate15.4°C · HDD 1,265 derived from coordinates
Environmental severityC4 · 38/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.

capacity: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel

In context: how this plant compares

At 4 MW, Yerba Buena is around the median storage plant in United States of America (4 MW). This facility converts its energy source into electricity for the grid; its capacity, fuel type and location determine its role in the national power mix.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Reported generation trend

2016: -3 GWh20162017: -3 GWh20172018: -4 GWh20182019: -3 GWh2019-3 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Pacific Gas & Electric Co.. All plants by this company →

Local climate & thermal context

This storage plant stores and releases electricity (pumped-hydro or batteries) to balance the grid. It sits in a warm-summer Mediterranean climate (Köppen Csb) — Northern Hemisphere, latitude 37.3°N — which shapes how much energy it can produce and how its output varies through the year.

15.4°Cannual mean temp
1,265heating degree-days (base 18°C)
344cooling degree-days (base 18°C)
226 melevation

Monthly mean temperature

J: 9 °CJF: 11 °CFM: 12 °CMA: 14 °CAM: 17 °CMJ: 19 °CJJ: 22 °CJA: 22 °CAS: 21 °CSO: 18 °CON: 13 °CND: 9 °CD22 °C

Heating degree-days here run 49% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 30/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with marine corrosion the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
38/100environmental-severity index
12.6°Cseasonal temperature swing
23 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #53 largest storage power plant of 104 in United States of America by capacity.

United States of America has 104 storage power plants in this dataset, together about 815 MW of capacity.

Nearby power plants

Location

Coordinates 37.3058, -121.755 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Yerba Buena?

Yerba Buena is a 4 MW source-record storage power plant in California, United States of America, commissioned in 2013.

How many homes can Yerba Buena power?

Its output is enough to supply roughly 1,001 homes (estimated).

Who operates Yerba Buena?

Yerba Buena is operated by Pacific Gas & Electric Co..

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