BuildingCensus
B

100 Summer St

Office in Boston, MA · 2110.

ENERGY STAR score
78
band B · 2024
Site EUI
56.3
kBtu/ft²
GHG emissions
3,809
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
1,113,465
sq ft
Year built
vintage

BERDO 2.0 · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score78 (band B)
Site EUI56.3 kBtu/ft²
Source EUI
GHG emissions3,809 tCO₂e
GHG intensity
Electricity11,066,843 kWh
Gross floor area1,113,465 sq ft
Source recordboston:100009:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest78+356.3 kBtu/ft²3,809 tCO₂e
202375+2558.1 kBtu/ft²3,767 tCO₂e
20225084.4 kBtu/ft²6,725 tCO₂e

Compliance context

BERDO 2.0

BERDO 2.0 sets emissions standards for buildings over 20,000 sq ft from 2025, with an alternative-compliance payment of $234 per metric ton of CO₂e over the cap.

Program details →

Ownership

100 SUMMER OWNER LLC

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Location

Address
100 Summer St
City
Boston
State
Massachusetts
ZIP
2110.

Within ~1 km

Nearby benchmarked buildings

This source publishes no coordinates, so nearby buildings can't be resolved yet.

See also: most efficient in Boston · biggest emitters

Frequently asked questions

What is 100 Summer St's energy grade?

100 Summer St scores 78 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Boston disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 100 Summer St use?

Its 2024 site energy-use intensity was 56.3 kBtu/ft² across 1,113,465 sq ft, including 11,066,843 kWh of electricity.

What are 100 Summer St's carbon emissions?

100 Summer St reported 3,809 tCO₂e of greenhouse-gas emissions for 2024. BERDO 2.0 sets emissions standards for buildings over 20,000 sq ft from 2025, with an alternative-compliance payment of $234 per metric ton of CO₂e over the cap.

Dataset updated . Source: Building Emissions Reduction and Disclosure Ordinance disclosure, record boston:100009:2024.