Utility vs. Solar + Battery: A Cost Analysis

An interactive calculator to compare the long-term costs

Annual Cost Comparison

Cost Summary & Assumptions

Total Utility Cost

$0

($0 direct cost + $0 opportunity cost)

Total Solar + Battery Cost

$0

($0 direct cost + $0 opportunity cost)

Total Savings

$0

Financial Assumptions

General

Length of the cost comparison.
Expected return if you invested the money instead.

Utility Settings

Your total electricity cost for the last 12 months.
The average yearly rate increase from your utility.

Solar + Battery Settings

Initial cost to purchase and install solar panels. Cost is estimated based on your annual utility bill.
How long the solar panels are expected to last.
Initial cost to purchase and install a home battery. Cost is estimated based on your annual utility bill.
How long the battery is expected to last before replacement.
Projected price drop for batteries at each replacement.
Percentage of utility bill for grid access, even with solar.