Use the calculator below to compare your electricity supply costs (the costs of the actual electricity) to Eversource’s Basic Service costs, and to quantify the greenhouse gas benefits of participating in the Greenfield Light & Power Program.

Please note: Your electricity delivery costs (the cost to bring electricity to your home or business) will not be changed by your participation in the Greenfield Light & Power Program.

To use the calculator, find your monthly electricity use (in kWh) on your Eversource electricity bill and enter it into the box below.

(Enter the number of kWh you use in any given month)

Greenfield Light & Power Costs and Benefits

100% renewable electricity, primarily from outside New England
Local Green
100% renewable electricity, all from within New England
Only the minimum amount of renewable electricity required by state law
Program price ($/kWh) $0.09879 $0.13281 $0.09629
Monthly electricity supply charges ($/month)

If you participate in the program for one year, this will be your approximate greenhouse gas reduction over the course of that year:

Greenhouse gas emissions avoided in one year compared to Eversource's Basic Service (lbs/year) 0
This is the same as driving this many fewer miles in one year* 0

Compare to Eversource's Basic Service price

(the most recent 12-month average**)
Residential Small Business Medium & Large Business
12-month average Eversource price ($/kWh) $0.18670 $0.18747 $0.24121
Monthly electricity supply charges ($/month)