BuildingCensus
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MHS Library and Research Center

Library in St. Louis, MO · 225 S SKINKER BLVD

At a glance

MHS Library and Research Center is a 104,000-square-foot library at 225 S SKINKER BLVD in St. Louis, Missouri. In its 2021 St. Louis benchmarking disclosure it reported a site energy-use intensity of 107.2 kBtu/ft².

ENERGY STAR score
—
not reported · 2021
Site EUI
107.2
kBtu/ft²
GHG emissions
—
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
104,000
sq ft
Year built
—
vintage

Building Energy Awareness Ordinance 70474 / BEPS 71132 · reporting year 2021

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI107.2 kBtu/ft²
Source EUI—
GHG emissions—
GHG intensity—
Gross floor area104,000 sq ft
Source recordst_louis:P-001122:2021

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2021latest—107.2 kBtu/ft²—
2020—101.4 kBtu/ft²—
2019—118.6 kBtu/ft²—
2018—125.7 kBtu/ft²—
2017—125.6 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.

Program details →

Ownership

Missouri Historical Society

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Location

Address
225 S SKINKER BLVD
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 MHS Library and Research Center compare with other buildings in St. Louis?

The latest disclosures cover 639 benchmarked buildings in St. Louis. Its site EUI of 107.2 kBtu/ft² is about 27% above the average of 84.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group.

At 104,000 sq ft, it is about 44% below the average floor area of 186,230 sq ft for those buildings.

How has MHS Library and Research Center's energy performance changed over time?

BuildingCensus holds 5 St. Louis disclosures for MHS Library and Research Center, covering report years 2017–2021. Site EUI moved from 125.6 kBtu/ft² (2017) to 107.2 kBtu/ft² (2021), a 15% decrease.

What does a site EUI of 107.2 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. MHS Library and Research Center's 107.2 kBtu/ft² across 104,000 sq ft works out to about 11.1 billion Btu (3,267 MWh-equivalent) in 2021.

Which law requires MHS Library and Research Center to report its energy use?

MHS Library and Research Center 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-001122:2021). 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 library buildings in St. Louis

Frequently asked questions

What is MHS Library and Research Center's energy grade?

MHS Library and Research Center did not report an ENERGY STAR score in its 2021 disclosure, but its site energy-use intensity was 107.2 kBtu/ft².

How much energy does MHS Library and Research Center use?

Its 2021 site energy-use intensity was 107.2 kBtu/ft² across 104,000 sq ft.

What are MHS Library and Research Center's carbon emissions?

No greenhouse-gas emissions figure was reported for 2021.

Where is MHS Library and Research Center?

MHS Library and Research Center is at 225 S SKINKER BLVD, in St. Louis, Missouri.

How big is MHS Library and Research Center and when was it built?

MHS Library and Research Center has 104,000 sq ft of gross floor area, as reported in its 2021 disclosure. It is classed as library.

Is MHS Library and Research Center 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.

Working with St. Louis building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “MHS Library and Research Center, St. Louis, Missouri — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/st-louis/mhs-library-and-research-center-221f925e (data as of July 9, 2026).