International Institute
Adult Education in St. Louis, MO · 3401 ARSENAL ST
At a glance
International Institute is a 132,000-square-foot adult education building at 3401 ARSENAL ST in St. Louis, Missouri. In its 2021 St. Louis benchmarking disclosure it reported a site energy-use intensity of 58.4 kBtu/ft².
Building Energy Awareness Ordinance 70474 / BEPS 71132 · reporting year 2021
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 58.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Gross floor area | 132,000 sq ft |
| Source record | st_louis:P-001043:2021 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2021latest | — | 58.4 kBtu/ft² | — | |
| 2018 | — | 55.1 kBtu/ft² | — | |
| 2017 | — | 50.8 kBtu/ft² | — |
Compliance context
Building Energy Awareness Ordinance 70474 / BEPS 71132
St. Louis's Building Energy Performance Standard (Ordinance 71132) requires buildings of 50,000 sq ft or more to meet energy-use targets, with standards set on four-year cycles.
Ownership
International Institute of St. Louis
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Location
- Address
- 3401 ARSENAL ST
- City
- St. Louis
- State
- Missouri
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in St. Louis · biggest emitters
How does International Institute compare with other buildings in St. Louis?
The latest disclosures cover 639 benchmarked buildings in St. Louis. Its site EUI of 58.4 kBtu/ft² is about 31% below the average of 84.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 132,000 sq ft, it is about 29% below the average floor area of 186,230 sq ft for those buildings.
How has International Institute's energy performance changed over time?
BuildingCensus holds 3 St. Louis disclosures for International Institute, covering report years 2017, 2018, 2021. Site EUI moved from 50.8 kBtu/ft² (2017) to 58.4 kBtu/ft² (2021), an 15% increase.
What does a site EUI of 58.4 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. International Institute's 58.4 kBtu/ft² across 132,000 sq ft works out to about 7.7 billion Btu (2,259 MWh-equivalent) in 2021.
Which law requires International Institute to report its energy use?
International Institute reports under the Building Energy Awareness Ordinance 70474 / BEPS 71132, the legal basis of St. Louis's Building Energy Awareness Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2021 disclosure (source record st_louis:P-001043:2021). St. Louis's Building Energy Performance Standard (Ordinance 71132) requires buildings of 50,000 sq ft or more to meet energy-use targets, with standards set on four-year cycles.
More adult education buildings in St. Louis
Frequently asked questions
What is International Institute's energy grade?
International Institute did not report an ENERGY STAR score in its 2021 disclosure, but its site energy-use intensity was 58.4 kBtu/ft².
How much energy does International Institute use?
Its 2021 site energy-use intensity was 58.4 kBtu/ft² across 132,000 sq ft.
What are International Institute's carbon emissions?
No greenhouse-gas emissions figure was reported for 2021.
Where is International Institute?
International Institute is at 3401 ARSENAL ST, in St. Louis, Missouri.
How big is International Institute and when was it built?
International Institute has 132,000 sq ft of gross floor area, as reported in its 2021 disclosure. It is classed as adult education.
Is International Institute covered by the Building Energy Awareness Ordinance 70474 / BEPS 71132?
Yes — it appears in the 2021 Building Energy Awareness Benchmarking disclosure, which lists the buildings reporting under the Building Energy Awareness Ordinance 70474 / BEPS 71132.
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About this data
Source: Building Energy Awareness Benchmarking (Building Energy Awareness Ordinance 70474 / BEPS 71132), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “International Institute, St. Louis, Missouri — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/st-louis/international-institute-5e308b9e (data as of July 9, 2026).