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ENVIRONMENTAL
INTRODUCTION
SUSTAINABILITY OBJECTIVES AND STRATEGY
SOCIAL
POLICIES AND TRANSPARENT REPORTING
APPENDICES
EVALUATE PERFORMANCE We perform energy audits, retro-
TENANT ENGAGEMENT We partner with our
REAL-TIME ENERGY MANAGEMENT Real-time energy management (RTEM) allows us to realize cost and energy savings opportunities. We partner with NYSERDA to implement RTEM incentives for controls upgrades, chiller plant optimization, tenant energy management, tenant air handling units, lighting controls, plug load monitoring and controls, and ongoing services that use predictive analysis and diagnostics.
100% of our NYC commercial portfolio and 84% of our entire portfolio are ENERGY STAR certified. ESRT earned the ENERGY STAR Partner of the Year Sustained Excellence award for the second consecutive year in 2023.
commissioning, and measurement and verification to monitor and trend the performance of our energy and emissions reduction measures. 100% of our properties have conducted energy audits in the last three years, and our energy audits exceed the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Level 4 guidelines as they are the basis of our ESRT 2.0 Net Zero roadmaps for each building.
tenants to educate and collaborate with them to drive ROI-based energy efficiency initiatives and sustainability practices.
ENERGY
MONITOR ENERGY CONSUMPTION
REDUCE PEAK DEMAND AND IMPROVE GRID RESILIENCE Demand Response programs reduce our
RENEWABLE ENERGY Since January 2022, we have offset 100% of our emissions through green-e-certified RECs. Since January 1, 2011, the Empire State Building has purchased over 41,000 MWh of RECs to offset 100% of the electricity used in the building. Our partnership with 18 Reserves and ACT offsets our non-electric fossil usage, such as steam and natural gas, through the preservation of 9,000 acres of biodiverse forest. In 2023, ESRT purchased a total of 121,261 MWh of RECs.
We leverage advanced analytics for energy and emissions performance in real time. We track energy data in ENERGY STAR Portfolio Manager as well as other data layer software tools and our MSI to cross-check and validate our data. 100% of our electric usage comes from the grid.
energy consumption, costs, and emissions and alleviate pressure on our electric grid to prevent blackouts and brownouts and minimize the use of inefficient peaker plants. 100% of our portfolio participates in Demand Response and demand management programs.
EMPIRE STATE REALTY TRUST: 2023 SUSTAINABILITY REPORT
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