Isp-Ironwood State Prison
Prison/Incarceration in California, CA · 19005 Wiley'S Well Road, Blythe · 92225
At a glance
Isp-Ironwood State Prison is a 1,120,203-square-foot prison/incarceration building at 19005 Wiley'S Well Road, Blythe in Blythe, California, built in 1994. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 99.7 kBtu/ft² and 5,290 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 99.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 5,290 tCO₂e |
| GHG intensity | 4.7 kgCO₂e/ft² |
| Electricity | 14,658,677 kWh |
| Natural gas | 371,014 therms |
| Gross floor area | 1,120,203 sq ft |
| Source record | california:1237709:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 99.7 kBtu/ft² | 5,290 tCO₂e | |
| 2022 | — | 103.0 kBtu/ft² | 5,029 tCO₂e | |
| 2021 | — | 89.0 kBtu/ft² | 3,920 tCO₂e | |
| 2020 | — | 109.9 kBtu/ft² | 5,032 tCO₂e | |
| 2019 | — | 110.1 kBtu/ft² | 4,911 tCO₂e |
Compliance context
AB 802 (Public Resources Code §25402.10)
AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 19005 Wiley'S Well Road, Blythe
- City
- California
- State
- California
- ZIP
- 92225
- Coordinates
- 33.60663, -114.90165
Within ~1 km
Nearby benchmarked buildings
No other benchmarked buildings within ~1 km.
See also: most efficient in California · biggest emitters
How does Isp-Ironwood State Prison compare with other prison/incarceration buildings in California?
The latest disclosures cover 117 prison/incarceration buildings in California, out of 40,029 buildings citywide. Its site EUI of 99.7 kBtu/ft² is roughly in line with the average of 92.9 kBtu/ft². Its emissions intensity of 4.7 kgCO₂e/ft² is about 11% below the group average of 5.3 kgCO₂e/ft².
At 1,120,203 sq ft, it is about 77% above the average floor area of 632,966 sq ft for those buildings. It was built in 1994, 12 years later than the group's average year built (1982).
How has Isp-Ironwood State Prison's energy performance changed over time?
BuildingCensus holds 5 California disclosures for Isp-Ironwood State Prison, covering report years 2019, 2020, 2021, 2022, 2024. Site EUI moved from 110.1 kBtu/ft² (2019) to 99.7 kBtu/ft² (2024), a 9% decrease. Reported emissions went from 4,911 tCO₂e to 5,290 tCO₂e over the same span (up 8%).
What does a site EUI of 99.7 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Isp-Ironwood State Prison's 99.7 kBtu/ft² across 1,120,203 sq ft works out to about 111.7 billion Btu (32,731 MWh-equivalent) in 2024. The disclosure also reports 14,658,677 kWh of electricity and 371,014 therms of natural gas for the year.
Which law requires Isp-Ironwood State Prison to report its energy use?
Isp-Ironwood State Prison reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record california:1237709:2024). AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
More prison/incarceration buildings in California
- Twin Towers (Ab 802)· 1,115,425 sq ft
- Fsp-Folsom State Prison· 1,014,980 sq ft · EUI 7.7 kBtu/ft²
- Wsp-Wasco State Prison (Reception Center)· 982,958 sq ft · EUI 129.9 kBtu/ft²
- 11060 - Santa Rita Jail· 962,846 sq ft · EUI 184.6 kBtu/ft²
- Nksp-North Kern State Prison· 918,668 sq ft · EUI 156.2 kBtu/ft²
- Ccwf-Central California Women'S Facility· 868,956 sq ft · EUI 128.4 kBtu/ft²
- Prison/Incarceration buildings in California· 117 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is Isp-Ironwood State Prison's energy grade?
Isp-Ironwood State Prison did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 99.7 kBtu/ft².
How much energy does Isp-Ironwood State Prison use?
Its 2024 site energy-use intensity was 99.7 kBtu/ft² across 1,120,203 sq ft, including 14,658,677 kWh of electricity and 371,014 therms of natural gas.
What are Isp-Ironwood State Prison's carbon emissions?
Isp-Ironwood State Prison reported 5,290 tCO₂e of greenhouse-gas emissions (4.7 kgCO₂e/ft²) for 2024.
Where is Isp-Ironwood State Prison?
Isp-Ironwood State Prison is at 19005 Wiley'S Well Road, Blythe, in Blythe, California 92225. Its coordinates are 33.60663, -114.90165 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Isp-Ironwood State Prison and when was it built?
Isp-Ironwood State Prison has 1,120,203 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1994 as its year built. It is classed as prison/incarceration.
Is Isp-Ironwood State Prison covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2024 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
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About this data
Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Isp-Ironwood State Prison, Blythe, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/isp-ironwood-state-prison-d42c6d59 (data as of July 9, 2026).