Energy Measurement: It's the Law.

The article discusses the implementation of laws requiring buildings to measure and submit their respective energy use in order to do benchmarking. According to the article, California, and Washington, D.C. have already implemented the law with New York following next. An example of the law is California's Assembly Bill 1103 requiring non-residential buildings to release data and ratings. The article also focuses on the tool of choice for benchmarking which is the Energy Star Portfolio Manager.