Energy Calculators
Analyze the Energy Efficiency of your Home
Analyze My Bill
This calculator will break down your energy usage using your bills and will allow you to perform energy saving scenarios to pinpoint your opportunities for savings.
 
Home Energy Reference
Explore Energy Information and Tips
Home Energy Library
100's of pages of graphically rich and interactive resources for customers who want to know more about specific topics.
InteractiveEnergyHome
A graphically rich and interactive extensive library for exploring electricity issues of interest to a broad selection of customers.
Fundamentals of Electricity
How the electric utility industry generates and delivers power to its customers covering Basics, Delivery, Safety and Generation.
Understanding Demand
Review how and when most commercial facilities typically use energy as well as how these facilities can save money on their energy bills.
 
Special Purpose Calculators
Pool and Spa Calculator
Shows side-by-side comparisons of heating pools or spas with various heat sources. Also estimates the cost of operating the pool or spa pump.
Water Heating Calculator
Compare the estimated annual costs of your current natural gas water heater to those for other efficiency options.
Heat Pump Calculator Demonstrates the savings potential of replacing older inefficient heat pumps with newer high efficiency units.
Appliance Calculator How much does it really cost to use the appliances in your home? Here's a quick way to get a feel for what your home's appliances cost to operate.
Lighting Calculator Compares the cost to operate standard incandescent lamps to more efficient halogen, fluorescent, and LED lamps.