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Pacific-Ultrapower Chinese Station

Waste power plant in California, United States of America. Approximate location 37.8741, -120.4776.

WasteCaliforniaUnited States of America

Pacific-Ultrapower Chinese Station is a 25 MW waste power plant in California, United States of America. It is operated by IHI Power Services Corp. Based on reported annual generation of 135 GWh, it can supply roughly 39k homes. It ranks #4485 of 10,938 United States of America power plants by installed capacity. Commissioned in 1986, it is around 40 years old — long-established. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

25Source-backed capacity
135GWh reported / yr
38,542homes powered
1986commissioned (~40 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0050560.

Data status

Known data

FacilityPacific-Ultrapower Chinese Station WRI
CountryUnited States of America · California WRI
Coordinates37.8741, -120.4776 WRI
FuelWaste WRI
MW installed capacity25 MW WRI source record; scope not independently normalised
OwnerIHI Power Services Corp WRI
Commissioned1986 WRI
GWh reported / yr135 GWh/yr WRI

Calculated from dataset

Capacity rank in country#4485 of 10938 calculated
Fuel-specific rank in country#126 of 551 calculated
Capacity vs country/fuel peers3.79× · 7 MW median · 551 peers calculated
Homes-powered equivalent38,542 calculated from reported generation
Climate15.3°C · HDD 1,627 derived from coordinates
Environmental severityC2 · 31/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsNot available not in dataset

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

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 25 MW, Pacific-Ultrapower Chinese Station is well above the median waste plant in United States of America (7 MW). Waste-to-energy plants burn municipal solid waste to generate electricity and heat, cutting landfill volume while recovering energy from residual waste.

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

Reported generation trend

2013: 128 GWh20132014: 135 GWh20142015: 134 GWh20152016: 0 GWh20162017: 0 GWh20172018: 0 GWh20182019: 135 GWh2019135 GWh

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

Owner

Operated by IHI Power Services Corp.

Local climate & thermal context

This waste plant recovers energy by combusting municipal or industrial waste. It sits in a hot-summer Mediterranean climate (Köppen Csa) — Northern Hemisphere, latitude 37.9°N — which shapes how much energy it can produce and how its output varies through the year.

15.3°Cannual mean temp
1,627heating degree-days (base 18°C)
650cooling degree-days (base 18°C)
450 melevation

Monthly mean temperature

J: 7 °CJF: 9 °CFM: 10 °CMA: 13 °CAM: 16 °CMJ: 21 °CJJ: 25 °CJA: 25 °CAS: 22 °CSO: 18 °CON: 11 °CND: 7 °CD25 °C

Heating degree-days here run 34% 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: 36/100 — this site sits in the mid 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 mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
31/100environmental-severity index
18.4°Cseasonal temperature swing
176 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 #126 largest waste power plant of 551 in United States of America by capacity.

United States of America has 551 waste power plants in this dataset, together about 10,154 MW of capacity.

Nearby power plants

Location

Coordinates 37.8741, -120.4776 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Pacific-Ultrapower Chinese Station?

Pacific-Ultrapower Chinese Station is a 25 MW source-record waste power plant in California, United States of America, commissioned in 1986.

How much electricity does Pacific-Ultrapower Chinese Station generate?

Pacific-Ultrapower Chinese Station generates about 135 GWh of electricity per year.

How many homes can Pacific-Ultrapower Chinese Station power?

Its output is enough to supply roughly 38,542 homes.

Who operates Pacific-Ultrapower Chinese Station?

Pacific-Ultrapower Chinese Station is operated by IHI Power Services Corp.

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