Look beyond the amount due
The total is useful, but the detail is where a solar conversation gets better. Look for the billing period, electricity used in kilowatt-hours, the rates charged, and any fixed connection or service fees. Keep seasonal differences in mind.
When you use power matters
If your plan charges different rates at different times, the value of using your own solar may vary throughout the day. A household that is busy in the evening can have a different pattern from one with people home during daylight hours.
Compare the whole picture
A lower utility bill is only one side of the calculation. Add any solar loan, lease, or service payment, and ask about maintenance and other charges. Be careful with a comparison that counts utility savings but leaves out the cost of the system.
Build a useful baseline
Collecting several bills helps reveal what is normal for your household. If possible, bring a full year of usage to your provider. Note unusual events, a new appliance, an empty home, or a particularly hot season so the estimate has context.
Further reading: U.S. Department of Energy: Going Solar, Step by Step. Local rules and individual circumstances vary. This guide is general information, not a quote or financial advice.