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The annual energy savings for each FIM has been calculated by Contractor based on the contribution of each improvement. Lighting FIM's have been designed to reduce electrical load by utilizing 3~a generation light and ballasts, General Electric Ultra. The lighting levels in each area are accomplished by an equal number of lamps having the same lumen as currently installed. Temperature comfort is based on the same current level of Minimum 70 deg F to a Maximum of 72 deg F at thermostats. (Section 3 reserved) Section 4. Measurement and Verification Plan 4.1 General Overview- (a) The purpose of the Measurement and Verification (M&V) article is to identify the methods, measurements, procedures and tools that will be used to verify the savings for each FIM. Savings were determined by comparing prior usage, consumption or efficiencies defined as the Baseline to the selected FIMs being implemented against the post FIM implementation usage, consumption or efficiencies. The Baseline usage, consumption or efficiencies is described in this Exhibit D, Article 5. The usage, consumption or efficiencies associated with the FIM implementation is defined as the Contracted Baseline, and are described in this Exhibit D, Article 7. (b) The actual guaranteed savings associated with this contract are outlined in this Exhibit D, Article 1 - Table 1 and Article 2 - Table 2A/B of this contract. 4.2 Option A- Main Meter Comparison Lighting Retrofits, HVAC and Controls 4.2.1 General. Except as otherwise provided, energy savings will be calculated for each month of each Annual Savings Period as the product of(a) "units of energy saved" (kWh, Therms, GJ, etc.) multiplied by (b) "cost of energy". 1. Units of energy saved are computed by the "Metrix" software application. "Metrix" is an accounting software application copyrighted by SRC Systems, Inc. Units of energy saved are calculated by subtracting current period measured units of energy consumed from the adjusted Baseline units of energy defined in Article 5. Adjustments to the Baseline energy traits are based on factors such as weather, occupancy, operating hours, etc., and changes to the Contracted Baseline conditions and operating practices as defined in Article 7). 2. Costs of energy are defined in Article 6, Utility Rate Structures and Escalation Rates. Sources of Data. For each month of the base year and each month of the term of the contract, data shall be obtained as follows: Weather - weather data shall be obtained from the National Weather Service, NOAA or Accuweather for the nearest weather station to the Facility. Energy Use - Electricity usage data shall be obtained from the electric utility bills. Since meters are not usually read on the same day each month, monthly usage shall be determined by apportioning billed usage assuming a constant daily usage between meter readings. Usage for most months will, therefore, be derived from two bills. Before the start of the 4