Palace Of Fine Arts/(Old) Exploratorium
Other in California, CA · 3301 Lyon St, San Francisco · 94123
At a glance
Palace Of Fine Arts/(Old) Exploratorium is a 140,000-square-foot other building at 3301 Lyon St, San Francisco in San Francisco, California, built in 1915. In its 2022 California benchmarking disclosure it reported a site energy-use intensity of 22.0 kBtu/ft² and 213 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 22.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 213 tCO₂e |
| GHG intensity | 1.5 kgCO₂e/ft² |
| Electricity | 807,171 kWh |
| Natural gas | 3,268 therms |
| Gross floor area | 140,000 sq ft |
| Source record | california:3185654:2022 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2022latest | — | 22.0 kBtu/ft² | 213 tCO₂e | |
| 2021 | — | 14.1 kBtu/ft² | 134 tCO₂e | |
| 2020 | — | 11.9 kBtu/ft² | 105 tCO₂e | |
| 2019 | — | — | 164 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 3301 Lyon St, San Francisco
- City
- California
- State
- California
- ZIP
- 94123
- Coordinates
- 37.80276, -122.44922
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Palace Of Fine Arts/(Old) Exploratorium compare with other other buildings in California?
The latest disclosures cover 773 other buildings in California, out of 40,029 buildings citywide. Its site EUI of 22.0 kBtu/ft² is about 62% below the average of 58.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.5 kgCO₂e/ft² is about 57% below the group average of 3.5 kgCO₂e/ft².
At 140,000 sq ft, it is about 73% below the average floor area of 511,890 sq ft for those buildings. It was built in 1915, 58 years earlier than the group's average year built (1973). Across all 24 jurisdictions BuildingCensus covers, the 1,327 other buildings average an ENERGY STAR score of 60 and a site EUI of 63.3 kBtu/ft².
How has Palace Of Fine Arts/(Old) Exploratorium's energy performance changed over time?
BuildingCensus holds 4 California disclosures for Palace Of Fine Arts/(Old) Exploratorium, covering report years 2019–2022. Site EUI moved from 11.9 kBtu/ft² (2020) to 22.0 kBtu/ft² (2022), an 85% increase. Reported emissions went from 164 tCO₂e to 213 tCO₂e over the same span (up 30%).
What does a site EUI of 22.0 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. Palace Of Fine Arts/(Old) Exploratorium's 22.0 kBtu/ft² across 140,000 sq ft works out to about 3.1 billion Btu (903 MWh-equivalent) in 2022. The disclosure also reports 807,171 kWh of electricity and 3,268 therms of natural gas for the year.
Which law requires Palace Of Fine Arts/(Old) Exploratorium to report its energy use?
Palace Of Fine Arts/(Old) Exploratorium 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 2022 disclosure (source record california:3185654:2022). 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 other buildings in California
- Daa 42, Glenn County Fairgrounds· 139,879 sq ft
- Mountain Technology Center Bldg. B· 139,273 sq ft
- Daa 28, San Bernardino County Fairgrounds· 138,993 sq ft
- Roche Pleasanton 4320 Hacienda· 138,160 sq ft · EUI 48.7 kBtu/ft²
- Ccsf -- Mission Center· 138,129 sq ft · EUI 20.1 kBtu/ft²
- Rancho Anita Business Park· 137,967 sq ft · EUI 15.5 kBtu/ft²
- Other buildings in California· 773 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 Palace Of Fine Arts/(Old) Exploratorium's energy grade?
Palace Of Fine Arts/(Old) Exploratorium did not report an ENERGY STAR score in its 2022 disclosure, but its site energy-use intensity was 22.0 kBtu/ft².
How much energy does Palace Of Fine Arts/(Old) Exploratorium use?
Its 2022 site energy-use intensity was 22.0 kBtu/ft² across 140,000 sq ft, including 807,171 kWh of electricity and 3,268 therms of natural gas.
What are Palace Of Fine Arts/(Old) Exploratorium's carbon emissions?
Palace Of Fine Arts/(Old) Exploratorium reported 213 tCO₂e of greenhouse-gas emissions (1.5 kgCO₂e/ft²) for 2022.
Where is Palace Of Fine Arts/(Old) Exploratorium?
Palace Of Fine Arts/(Old) Exploratorium is at 3301 Lyon St, San Francisco, in San Francisco, California 94123. Its coordinates are 37.80276, -122.44922 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Palace Of Fine Arts/(Old) Exploratorium and when was it built?
Palace Of Fine Arts/(Old) Exploratorium has 140,000 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1915 as its year built. It is classed as other.
Is Palace Of Fine Arts/(Old) Exploratorium covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2022 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, “Palace Of Fine Arts/(Old) Exploratorium, San Francisco, California — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/california/palace-of-fine-arts-old-exploratorium-3aab8dec (data as of July 9, 2026).