Northbay Vacavalley Hospital
Hospital (General Medical & Surgical) in California, CA · 1000 Nut Tree Rd., Vacaville · 95687
At a glance
Northbay Vacavalley Hospital is a 90,000-square-foot hospital (general medical & surgical) at 1000 Nut Tree Rd., Vacaville in Vacaville, California, built in 2000. In its 2021 California benchmarking disclosure it reported an ENERGY STAR score of 53 out of 100 (grade D), a site energy-use intensity of 295.4 kBtu/ft² and 1,476 tCO₂e of greenhouse-gas emissions. That score is higher than 42% of the 300 scored hospital (general medical & surgical) buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2021
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 53 (band D) |
| Site EUI | 295.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,476 tCO₂e |
| GHG intensity | 16.4 kgCO₂e/ft² |
| Electricity | 2,475,932 kWh |
| Natural gas | 181,538 therms |
| Gross floor area | 90,000 sq ft |
| Source record | california:16880057:2021 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2021latest | 53 | -11 | 295.4 kBtu/ft² | 1,476 tCO₂e |
| 2020 | 64 | 281.8 kBtu/ft² | 1,450 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
- 1000 Nut Tree Rd., Vacaville
- City
- California
- State
- California
- ZIP
- 95687
- Coordinates
- 38.35576, -121.95201
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Northbay Vacavalley Hospital compare with other hospital (general medical & surgical) buildings in California?
The latest disclosures cover 329 hospital (general medical & surgical) buildings in California, out of 40,029 buildings citywide. Northbay Vacavalley Hospital's ENERGY STAR score of 53 compares with an average of 59 across the 300 that report a score; it scores higher than 42% of them and lower than 57%. Its site EUI of 295.4 kBtu/ft² is about 24% above the average of 238.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 16.4 kgCO₂e/ft² is about 16% above the group average of 14.1 kgCO₂e/ft².
At 90,000 sq ft, it is about 79% below the average floor area of 432,386 sq ft for those buildings. It was built in 2000, 23 years later than the group's average year built (1978). Across all 24 jurisdictions BuildingCensus covers, the 748 hospital (general medical & surgical) buildings average an ENERGY STAR score of 59 and a site EUI of 238.7 kBtu/ft².
How has Northbay Vacavalley Hospital's energy performance changed over time?
BuildingCensus holds 2 California disclosures for Northbay Vacavalley Hospital, covering report years 2020–2021. Its ENERGY STAR score went from 64 in 2020 to 53 in 2021 (-11 points); its best year on file was 2020, at 64. Site EUI moved from 281.8 kBtu/ft² (2020) to 295.4 kBtu/ft² (2021), an 5% increase. Reported emissions went from 1,450 tCO₂e to 1,476 tCO₂e over the same span (up 2%).
What does an ENERGY STAR score of 53 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 53 means the building performs better than about 53% of its national peers. BuildingCensus bands the score into report-card grades; 53 falls in band D — lowest band (1–54). It sits 22 points below 75, the threshold for ENERGY STAR certification. In California, 65% of scored buildings are at 75 or above.
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. Northbay Vacavalley Hospital's 295.4 kBtu/ft² across 90,000 sq ft works out to about 26.6 billion Btu (7,792 MWh-equivalent) in 2021. The disclosure also reports 2,475,932 kWh of electricity and 181,538 therms of natural gas for the year.
Which law requires Northbay Vacavalley Hospital to report its energy use?
Northbay Vacavalley Hospital 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 2021 disclosure (source record california:16880057:2021). 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 hospital (general medical & surgical) buildings in California
- 17650 Devonshire St, Northridge, Ca 91325, Usa· 88,287 sq ft · score 100 (A)
- La Palma Intercommunity Hospital· 85,365 sq ft · score 100 (A)
- Barstow Community Hospital· 82,479 sq ft · score 37 (D)
- Pavilion· 80,015 sq ft · EUI 86.1 kBtu/ft²
- 17075 Devonshire St· 79,450 sq ft · score 100 (A)
- Phs | Ca | San Dimas | Community Hospital· 78,000 sq ft · score 71 (B)
- Hospital (General Medical & Surgical) buildings in California· 329 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 Northbay Vacavalley Hospital's energy grade?
Northbay Vacavalley Hospital scores 53 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2021 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Northbay Vacavalley Hospital use?
Its 2021 site energy-use intensity was 295.4 kBtu/ft² across 90,000 sq ft, including 2,475,932 kWh of electricity and 181,538 therms of natural gas.
What are Northbay Vacavalley Hospital's carbon emissions?
Northbay Vacavalley Hospital reported 1,476 tCO₂e of greenhouse-gas emissions (16.4 kgCO₂e/ft²) for 2021.
Where is Northbay Vacavalley Hospital?
Northbay Vacavalley Hospital is at 1000 Nut Tree Rd., Vacaville, in Vacaville, California 95687. Its coordinates are 38.35576, -121.95201 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Northbay Vacavalley Hospital and when was it built?
Northbay Vacavalley Hospital has 90,000 sq ft of gross floor area, as reported in its 2021 disclosure. The disclosure lists 2000 as its year built. It is classed as hospital (general medical & surgical).
Is Northbay Vacavalley Hospital covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2021 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, “Northbay Vacavalley Hospital, Vacaville, California — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/california/northbay-vacavalley-hospital-33b7878f (data as of July 9, 2026).