Roll Lost Hills

Gas power plant in California, United States of America. Approximate location 35.6531, -119.8897.

GasCaliforniaUnited States of America

Roll Lost Hills is a 1 MW gas power plant in California, United States of America. It is operated by Bloom Energy. Based on reported annual generation of 5 GWh, it can supply roughly 1.4k homes. It ranks #10404 of 10,938 United States of America power plants by installed capacity. Commissioned in 2013, it is around 13 years old — relatively modern. In context, gas supplies about 40.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

1Source-backed capacity
5GWh reported / yr
1,428homes powered
2013commissioned (~13 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0058298.

Data status

Known data

FacilityRoll Lost Hills WRI
CountryUnited States of America · California WRI
Coordinates35.6531, -119.8897 WRI
FuelGas WRI
MW installed capacity1 MW WRI source record; scope not independently normalised
OwnerBloom Energy WRI
Commissioned2013 WRI
GWh reported / yr5 GWh/yr WRI

Calculated from dataset

CO₂ emissions2,000 t CO₂/yr calculated
Capacity rank in country#10404 of 10938 calculated
Fuel-specific rank in country#2142 of 2165 calculated
Capacity vs country/fuel peers0.01× · 121 MW median · 2165 peers calculated
Homes-powered equivalent1,428 calculated from reported generation
Climate17.7°C · HDD 1,144 derived from coordinates
Environmental severityC1 · 41/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot 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 1 MW, Roll Lost Hills is below the median gas plant in United States of America (121 MW). Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.

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

Reported generation trend

2013: 6 GWh20132014: 3 GWh20142015: 2 GWh20152016: 8 GWh20162017: 7 GWh20172018: 6 GWh20182019: 5 GWh20198 GWh

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

Owner

Operated by Bloom Energy. All plants by this company →

Local climate & thermal context

This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a cold semi-arid steppe climate (Köppen BSk) — Northern Hemisphere, latitude 35.7°N — which shapes how much energy it can produce and how its output varies through the year.

17.7°Cannual mean temp
1,144heating degree-days (base 18°C)
1,042cooling degree-days (base 18°C)
144 melevation

Monthly mean temperature

J: 8 °CJF: 11 °CFM: 14 °CMA: 16 °CAM: 20 °CMJ: 25 °CJJ: 28 °CJA: 27 °CAS: 24 °CSO: 19 °CON: 12 °CND: 8 °CD28 °C

Heating degree-days here run 53% 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: 28/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

A gas turbine here also runs ~2% below its ISO (15°C) rating at this annual mean (typical CCGT curve, estimate).

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 benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with dust abrasion the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
41/100environmental-severity index
19.4°Cseasonal temperature swing
126 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 #2142 largest gas power plant of 2165 in United States of America by capacity.

United States of America has 2165 gas power plants in this dataset, together about 789,950 MW of capacity.

Nearby power plants

Location

Coordinates 35.6531, -119.8897 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Roll Lost Hills?

Roll Lost Hills is a 1 MW source-record gas power plant in California, United States of America, commissioned in 2013.

How much electricity does Roll Lost Hills generate?

Roll Lost Hills generates about 5 GWh of electricity per year.

How many homes can Roll Lost Hills power?

Its output is enough to supply roughly 1,428 homes.

Who operates Roll Lost Hills?

Roll Lost Hills is operated by Bloom Energy.

Built from open public data; no personal information. Operate this site? Request a correction or removal.