Cost & Savings Breakdown
Based on $150/month electric bill in St. Johnsbury
System Size
6.4 kW
Annual Production
7,300 kWh
Gross System Cost
$21,795
Federal Tax Credit (30%)
-$6,538
State Incentive
-$1,000
Net Cost
$14,256
Monthly Savings
$122
CO₂ Offset/yr
6,716 lbs
25-Year Savings Projection
Utility & Net Metering
Local UtilityGreen Mountain Power
Net Metering PolicyFull Retail
Compensation RateFull retail rate
Capacity LimitNo overall limit
Electricity Rate$0.200/kWh
Peak Sun Hours3.9 hrs/day
Available Incentives
30%
Federal ITC — Deduct 30% of your system cost from federal taxes. Available through 2032.
$1,000
Vermont State Incentive — Vermont offers a sales tax exemption and a net metering credit program.
Common Questions
How much does solar cost in St. Johnsbury?
Solar in St. Johnsbury, Vermont costs approximately $21,795 for a 6.4 kW system. After the 30% federal tax credit, your net cost is about $14,256.
What is the solar payback period in St. Johnsbury?
The estimated payback period for solar in St. Johnsbury is 9.8 years, based on a $150/month electric bill and local sun hours of 3.9 hrs/day.
Does Green Mountain Power offer net metering?
Green Mountain Power offers Full Retail net metering. Full retail rate.