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ENVIRONMENTAL
INTRODUCTION
SUSTAINABILITY OBJECTIVES AND STRATEGY
SOCIAL
POLICIES AND TRANSPARENT REPORTING
APPENDICES
GHG Emissions Performance
2023 GHG EMISSIONS 5 (MTCO 2 e)
MEASURING SUPPLY CHAIN EMISSIONS 6 In 2023, ESRT began participation in the Climate Disclosure Project (CDP) Supply Chain program to engage our full supply chain to track, measure, and report the impact of upstream GHG emissions. The program enables primary data collection for assessment of supplier contribution to Scope 3 emissions and will help our suppliers manage their own environmental targets. ESRT is the first REIT to participate in the program globally . The data below represents 2022 Scope 3 upstream emissions categorized by industry group. 96% of 2022 total supply chain spend is represented below with the remaining 4% of upstream spend included in our Scope 1 or 2 emissions reporting.
GHG EMISSIONS
Scope 3 Category 13: 27,710 Commercial: 23,659 Multifamily: 4,051
Scope 1: 3,178
Commercial: 3,178 Multifamily: 0
48,541 MTCO 2 e
GHG emissions were calculated in accordance with the WRI GHG Protocol, and verification of the data contained herein was conducted in accordance with ISO 14064 Part 3. A similar approach and methodology was utilized to calculate and validate energy, water, and waste data. Sharp increase in 2023 emissions are due to increased eGRID factors 28.61% from 2020 to 2022 which are now reflected in our 2023 emissions. When we adjust 2022 emissions retroactively to reflect the updated eGRID emissions factor for 2022, 2022 total emissions becomes 51,371 MTCO2e resulting in a 5.5% decrease from 2022 to 2023.
Scope 2: 17,653
Commercial: 17,652 Multifamily: 1
7%
increase in emissions compared to 2022
LIKE-FOR-LIKE GHG EMISSIONS 5 (MTCO 2 e)
2020 2021
2022
4,643
All other 48 industry groups 18%
2023 Commercial
2023 Multifamily
6,888 6,800
Scope 1
3,127
3,128
Non-residential building construction 34%
Other professional services 3%
18,491
21,002
Scope 2
14,048
17,584 17,584
Furniture 6%
16,722
17,341
Scope 3
23,936
Glass products 14%
Real estate services 6%
23,659
3,539
27,198
Concrete products 7%
Electrical equipment 12%
5 ESRT commercial office utilization increased approximately 30% over a five-day average (Monday–Friday) and three-day average (Tuesday–Thursday) in 2023 compared to 2022. This occupancy increase contributes to increased emissions, energy and water usage, and waste generation. The data above represents the utility usage of our office and multifamily portfolio. Data is absolute, and is not normalized for weather, occupancy, or other variables which impact usage and are not based on the impacts of efficiency efforts. GHG Emissions Intensity is determined using location-based emissions for the NYC region for Scopes 1, 2, and 3. Sharp increase in 2023 emissions are due to increased eGRID factors 28.61% from 2020 to 2022 which are now reflected in our 2023 emissions. When we adjust 2022 emissions retroactively to reflect the updated eGRID emissions factor for 2022, 2022 emissions intensity becomes 5.49kgCO2e/ft2 resulting in a 9.1% decrease from 2022 to 2023. Like-for-like metrics include properties owned for full calendar year 2022 and 2023. 6 The emissions per industry are based on CDP conversions of spend to emissions equivalent.
EMPIRE STATE REALTY TRUST: 2023 SUSTAINABILITY REPORT
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