BuildingCensus
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Millennium Center

Multifamily Housing in St. Louis, MO · 515 OLIVE ST

At a glance

Millennium Center is a 237,872-square-foot multifamily housing building at 515 OLIVE ST in St. Louis, Missouri. In its 2021 St. Louis benchmarking disclosure it reported a site energy-use intensity of 53.6 kBtu/ft².

ENERGY STAR score
—
not reported · 2021
Site EUI
53.6
kBtu/ft²
GHG emissions
—
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
237,872
sq ft
Year built
—
vintage

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

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI53.6 kBtu/ft²
Source EUI—
GHG emissions—
GHG intensity—
Gross floor area237,872 sq ft
Source recordst_louis:P-000247:2021

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2021latest—53.6 kBtu/ft²—
2020—55.5 kBtu/ft²—
2018—65.2 kBtu/ft²—
2017—62.5 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

BRANDONVIEW IV LLC

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Location

Address
515 OLIVE ST
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 Millennium Center compare with other multifamily housing buildings in St. Louis?

The latest disclosures cover 181 multifamily housing buildings in St. Louis, out of 639 buildings citywide. Its site EUI of 53.6 kBtu/ft² is roughly in line with the average of 54.8 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 237,872 sq ft, it is about 81% above the average floor area of 131,363 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

How has Millennium Center's energy performance changed over time?

BuildingCensus holds 4 St. Louis disclosures for Millennium Center, covering report years 2017, 2018, 2020, 2021. Site EUI moved from 62.5 kBtu/ft² (2017) to 53.6 kBtu/ft² (2021), a 14% decrease.

What does a site EUI of 53.6 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. Millennium Center's 53.6 kBtu/ft² across 237,872 sq ft works out to about 12.7 billion Btu (3,737 MWh-equivalent) in 2021.

Which law requires Millennium Center to report its energy use?

Millennium 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-000247:2021). 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 multifamily housing buildings in St. Louis

Frequently asked questions

What is Millennium Center's energy grade?

Millennium Center did not report an ENERGY STAR score in its 2021 disclosure, but its site energy-use intensity was 53.6 kBtu/ft².

How much energy does Millennium Center use?

Its 2021 site energy-use intensity was 53.6 kBtu/ft² across 237,872 sq ft.

What are Millennium Center's carbon emissions?

No greenhouse-gas emissions figure was reported for 2021.

Where is Millennium Center?

Millennium Center is at 515 OLIVE ST, in St. Louis, Missouri.

How big is Millennium Center and when was it built?

Millennium Center has 237,872 sq ft of gross floor area, as reported in its 2021 disclosure. It is classed as multifamily housing.

Is Millennium 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.

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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, “Millennium Center, St. Louis, Missouri — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/st-louis/millennium-center-417418b1 (data as of July 9, 2026).