1 Local Law 84 Benchmarking Water Consumption Albert Kramer NYC Environmental Protection February 10, 2014

2 New York City Energy Code Benchmarking Energy Audits and Retro commissioning Lighting Upgrades and Sub-metering The 13,000 properties (BBLs) subject to the Benchmarking law account for only 2% of all properties but nearly half of all built floor area  2 billion. sq ft Benchmarking Mandatory benchmarking produces a comprehensive city-wide picture Transparency in building energy and water use Annual benchmarking provides tracking Public disclosure allows the market to value efficiency Source: Institute for Market Transformation and NYC Mayor’s Office Benchmarking in NYC

3 The Power of Conservation Demand (Million Gallons Per Day) 1,009 MGD 2012 Water Demand (MGD) Population

4 Automated Meter Readers: The Power of Data

5 Results of Benchmarking Water in NYC 5,385 buildings had enough data to benchmark their 2012 consumption Approximately 3,700 (69%) requested their 2012 consumption Multi-family residential buildings have the widest range of usage

6 The Benefits of Benchmarking Empower customers to identify low risk, high ROI investments Conservation is more cost-effective than augmenting supply Maximize the effect of limited conservation resources Examples in NYC Toilet Replacement Program for multi-family buildings (30 mgd) Municipal Water Efficiency Program (9 mgd)

7 Lessons Learned and Best Practices Utilize the EPA’s Portfolio Manager tool to leverage free online resources Provide data via web services to reduce compliance costs and data errors Aggregate data to reduce privacy concerns