Rockwell Automation Energy Management Accelerator Toolkit Quick Start - Manual (Page 19)

Rockwell Automation Publication IASIMP-QS016C-EN-P - October 2014 19
Energy Assessment and Monitoring Methods Chapter 1
Energy Assessment
The assessment process is a detailed analysis of the data collected during the walk-through. Identifying opportunities for
energy savings and developing the return on investment for these projects is critical. Energy assessments should identify not
only opportunities, but savings, project costs, and payback calculations. Projects should also be categorized as awareness or
behavior changes, minor cost, and capital. This approach will help prioritize the steps in the energy savings plan.
Collect and Analyze Utility Bills and Rate Schedules
An important part of the energy assessment is to collect and analyze your current utility rate schedules and bills. This
typically includes electric, natural gas, water, and sewer. Other fuels consumed may include fuel oil, propane, or steam.
Understanding your bill is crucial in executing an appropriate energy management plan to maximize your energy savings
investment.
Energy rate schedules from your local utilities can include, but are not limited to, line item charges such as:
• Demand Charges - A variable monthly or yearly charge for the highest amount of energy consumed over a fixed
period, typically 15 minutes. This charge can contribute significantly to overall energy costs.
• Energy Charge - A variable monthly charge for the total energy that is consumed. This charge typically includes on-
peak and off-peak rates, contracted minimums, alternative charges, ratchet demand penalties, or other special terms.
Here is an example of an electric bill and electric rate schedule. You can see that time-of-use and on-peak demand needs can
significantly increase your overall energy costs.
Sample Electric Bill