Historical
ASHRAE Guideline 14-2014
Measurement of Energy, Demand, and Water Savings
This document provides procedures for using measured preretrofit and postretrofit billing data (e.g., kWh, kW, Mcf, kgal)for the calculation of energy, demand, and water savings. The procedures (a) include the determination of energy, demand, and water savings from individual facilities or meters; (b). apply to all forms of energy, including electricity, gas, oil, district heating/cooling, renewables, and water and wastewater; and (c.) encompass all types of facilities: residential, commercial, institutional, and industrial.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]