Measuring Energy of the Big Apple

Transcription

1 Measuring Energy of the Big Apple Laurie Kerr, AIA, LEED AP, Director City Energy Project, NRDC FIT: April 8, 2014

2 FIT and Energy Mayor s Carbon Challenge Changing the National Codes Robert Ferguson Totally Cool Men s Fashion? Energy Efficient Tenant Fit Out?

3 Buildings & Energy Use

4 Buildings use energy a lot of energy Percent of carbon emissions from building sector 62% 65% 70% 74% 75% 75% 51% 38%

5 How do they use energy? Lighting Heating Cooling Ventilation Cooking Appliances Electronics Data Centers Elevators & Escalators

6 You know if your car or your refrigerator is efficient

7 Why not your building?

8 What if this were viewed as something consumers have a right to know?

9 The New York Story

10 New York City s existing buildings are key to achieving its goal of 30% CO2 reduction by % of NYC s carbon emissions come from energy used in buildings And by 2035, 85% of its buildings will be buildings that already exist today.

11 NYC s core policies concentrate on its largest buildings. 2% of NYC s one million buildings account for 45% of all NYC energy use

12 But three of the six requirements are about information Energy Efficiency makes sense, but it s not happening to scale Providing information is the first step because you can t manage what you don t measure.

13 The cornerstone of the policies is benchmarking and disclosure. Every year every large building has to measure its energy efficiency, with the results being made public EPA s Portfolio Manager an online tool Information gap on building energy performance Solves the INFORMATION GAP The market needs to value energy efficiency Right to Know for tenants, prospective purchasers, etc

14 What the Data is Showing

15 For the last three years, building energy use has been measured, and you can go on line and look it up..

16 The very wide range of energy use indicates that significant citywide savings will be very cost effective.

17 We can target the worst performing neighborhoods, which use more than twice the energy per square foot as the best..

18 New York City s buildings out-perform the national average, but are in line with the Northeast.

19 Older commercial buildings seem to be more efficient than newer buildings. New York s comparatively older building stock may explain its relatively high average scores

20 Neighborhood benchmarking scores seem to correlate with public health issues.

21 This has spawned a data revolution in how buildings use energy We began with data about 54 buildings now we have information on over 10,000 large buildings annually in NYC There is starting to be data from other cities and portfolios Benchmarking data is being joined by audit and retrocommissioning data

22 Snapshot of Energy Efficiency Policies in US Cities

23 Many cities have already adopted benchmarking, disclosure, and audit and/ or retro-commissioning policies Seattle San Francisco Minneapolis Chicago Boston New York Philadelphia Washington DC Austin 9 cities require benchmarking of private sector buildings 7 cites also require public disclosure of the benchmarking scores 3 cities also require energy audits and/or retro-commissioning

24 This amounts to a large area that is now required to annually benchmark. 5.4 Billion sf But we need to do more.

25 The City Energy Project