The question that we have is concerning metering the facility with the whole building energy meters versus individual system metering. We believe that the LEED reference documentation for metering which is the "International Performance Measurement & Verftification Protocol, Concepts and Options for Determining Energy Savings", by the Office of Energy Efficiency and Renewable Energy, U.S. Dept. of Energy, October 2000, under chapter 3, defines that whole building metering is acceptable. If an Energy Conservation Measure (ECM) needs to be specifically measured, it could be measured on a "temporay, isolated" meter reading. We would like the USGB to review this interpretation and advise us at their earliest convenience.
The LEED Reference Guide June 2001 Formatted Version page 157 Table 1 provides a summary of Measurement and Verification options. Option C, which meets LEED requirements, allows savings to be determined by whole building metering data. Applicable internationally.