2022 Sustainability Report: Empire State Realty Trust









Accounting Metric

2022 Disclosure

IF-RE-130a.5 Description of how building energy

ESRT utilizes RTEM to integrate building energy management considerations into property investment analyses and operational strategy. Real-time energy consumption feedback allows ESRT to realize cost and energy savings opportunities. ESRT has partnered with NYSERDA to implement RTEM incentives for control upgrades, chiller plant optimization, tenant energy management, tenant air handling units, lighting controls, plug load monitoring, and ongoing services that use predictive analysis and diagnostic. ESRT has also developed an Energy and Greenhouse Gas Management Policy that holds portfolio managers, property managers, tenant services coordinators, and the engineering managers responsible for knowing their best practices and implementing the policy where possible for all assets under ESRT’s control. Portfolio managers are required to request updated Demand Response Plans from managers quarterly. The Energy and Greenhouse Gas Management Policy entails best practices such as tracking consumption through ENERGY STAR Portfolio Manager, and conducting building energy audits that meet both the requirements of the ASHRAE preliminary energy use analysis and an ASHRAE Level 2 energy survey analysis as identified in the ASHRAE Procedures for Commercial Building Energy Audits or equivalent. Additionally it is required that an ASHRAE Level 2 audit is pursued in conjunction with local law compliance. Properties who have completed a Level 2 audit can also conduct an ASHRAE Level 3 audit.

management considerations are integrated into property investment analysis and operational strategy

Water Management IF-RE-140a.1

Water withdrawal data coverage as a percentage of (1) total floor area and (2) floor area in regions with high or extremely high baseline water stress, by property subsector

(1) Total water consumption data coverage from the ESRT operational portfolio, as a percentage of total/gross floor area, was equal to 100% in 2022 (2) 0.0%

IF-RE-140a.2 (1) Total water withdrawn by portfolio area with data coverage and (2) percentage in regions with high or extremely high baseline water stress, by property subsector IF-RE-140a.3 Like-for-like percentage change in water withdrawn for portfolio area with data coverage, by property subsector

(1) ESRT’s total 2022 water consumed by portfolio area with data coverage was equal to 491,491 m3 (2) 0.0%

Like-for-like change in water consumption for the ESRT operational portfolio was 65% in 2021-2022. The like-for-like change in commercial water consumption for ESRT was 22.94% in 2021-2022. ESRT sold a high-rise office building in Norwalk, Connecticut and acquired two high-rise multifamily buildings in Manhattan over the time period this data reflects. Commercial occupancy increased 76% over a 5-day average (Monday – Friday) and 86% over a 3-day average (Tuesday – Thursday) in 2022 compared to 2021 commercial occupancy ESRT strives to reduce water usage and promote conservation efforts by implementing water conservation initiatives, including installing ultra-low-flow plumbing fixtures and utilizing efficient cleaning and landscaping practices. This policy applies to all existing assets. ESRT’s Water Management Policy is broken down by asset-level baseline and performance requirements. The baseline requirements entail the identification of current sources and end uses of potable water at the asset, obtaining billing information—such as account and water meter numbers and metering locations—tracking water usage through ENERGY STAR Portfolio Manager profiles, and using a water intelligence tool, Wint, to identify potential leaks, monitor water use, analyze water use trends, and identify abnormal consumption trend in real time. 100% of our commercial portfolio has implemented this smart technology. ESRT’s performance requirements seek to maintain these baseline requirements and build upon them by setting and tracking performance goals, ensuring that the ESPM profiles are updated and that water conservation best practices are in place, fixing identified leaks, installing high efficiency low-flow fixtures or retrofitting low-flow aerators/fixtures where appropriate and feasible, and engaging with tenants.

IF-RE-140a.4 Description of water management risks and discussion of strategies and practices to mitigate those risks


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