Average Electric Bill With Solar Panels — What Homeowners Actually Pay After Installing Solar
A solar installation changes the way a home interacts with the electric grid, but it rarely eliminates the monthly electric bill completely.
Solar panels generate electricity during daylight hours, reducing how much power a household must buy from the utility. However, most residential solar systems remain connected to the grid. Because of this connection, utilities still issue a monthly statement that includes fixed service charges, grid electricity used when solar production is low, and sometimes policy-specific billing adjustments.
For homeowners considering solar, the real question is not whether the electric bill disappears entirely. The more accurate question is how much the bill typically drops and why some charges remain even after installing solar panels.
Understanding the average electric bill after solar requires looking at three factors:
- typical household electricity use
• how much electricity the solar system produces
• how local utility billing rules handle solar energy credits
When these elements are understood together, the post-solar electric bill becomes much easier to predict.
Average U.S. Electric Bill Before Solar
Before looking at solar bills, it helps to understand the average electricity usage of a typical U.S. household.
According to the U.S. Energy Information Administration, the average American home uses roughly 899 kilowatt-hours (kWh) of electricity per month.
Electricity prices vary by state, but typical residential electricity rates range from $0.12 to $0.20 per kWh.
Using these numbers, a typical household electric bill might look like this:
Household Usage | Electricity Rate | Average Monthly Bill |
899 kWh | $0.12/kWh | ~$108 |
899 kWh | $0.15/kWh | ~$135 |
899 kWh | $0.18/kWh | ~$162 |
These baseline numbers provide the context for understanding how solar panels reduce electricity costs.
Average Electric Bill After Installing Solar Panels
Once solar panels are installed, the electric bill usually drops significantly because part of the home’s electricity demand is produced locally.
Typical outcomes look like this:
Solar System Coverage | Average Electric Bill After Solar |
60% electricity offset | $60 – $100 |
80% electricity offset | $25 – $60 |
100% electricity offset | $10 – $30 |
Even when solar panels produce most of the electricity used in a home, small utility charges often remain.
These remaining charges usually come from fixed utility service fees or electricity used when solar panels are not producing energy.
Why Most Solar Homes Still Receive an Electric Bill
A common surprise for new solar owners is that the utility still sends a monthly bill.
This happens for several reasons.
Utility connection charges
Electric utilities maintain power infrastructure including transmission lines, transformers, and grid monitoring systems.
To cover these costs, utilities charge a monthly service or connection fee, usually between $10 and $30 per month.
This charge exists even if the home produces most of its electricity with solar panels.
Electricity used at night
Solar panels generate electricity only during daylight hours.
At night, homes typically draw electricity from the grid unless a battery storage system is installed.
Seasonal solar production
Solar electricity production changes during the year because daylight hours and sun angles vary by season.
Winter months often produce less solar electricity than summer months.
Energy consumption above system capacity
If the home uses more electricity than the solar system produces, the additional power must be purchased from the grid.
What Charges Still Appear on a Solar Electric Bill
After installing solar panels, the monthly electric bill may contain several types of charges.
Understanding these charges helps homeowners interpret their utility statement.
Charge Type | Explanation |
Fixed customer charge | Monthly utility connection fee |
Delivery or grid charge | Cost of maintaining power infrastructure |
Electricity imports | Power used when solar production is low |
Policy-specific charges | Charges defined by state utility rules |
These charges explain why the electric bill rarely disappears completely.
How Net Metering Changes the Electric Bill
Many residential solar systems participate in net metering programs.
Net metering allows solar systems to export excess electricity to the utility grid.
When a solar system generates more electricity than the home uses, the surplus energy flows into the grid and the homeowner receives energy credits.
These credits offset electricity drawn from the grid later.
Example daily cycle:
Time | Solar Production | Home Usage | Grid Impact |
Midday | High | Moderate | excess electricity exported |
Evening | None | Moderate | grid electricity used |
Billing cycle | Balanced | Balanced | solar credits offset usage |
This system allows homeowners to reduce their electricity bills significantly.
However, billing outcomes still depend on local policies and utility rules.
Why Two Solar Homes Can Have Very Different Electric Bills
Two homes with similar solar systems may still receive very different electric bills.
This happens because solar billing policies vary by region.
Factors that influence post-solar bills include:
- net metering rules
• export credit rates
• fixed utility charges
• time-of-use electricity pricing
In some areas, solar electricity exported to the grid receives the same credit as retail electricity prices.
In other regions, exported solar electricity may receive a lower credit rate.
This difference can significantly affect the final electric bill.
Example: Average Household Before and After Solar
Consider a typical household using about 900 kWh of electricity per month.
Before solar installation:
Category | Monthly Cost |
Electricity usage | $135 |
Utility fees | $15 |
Total monthly bill | $150 |
After installing a solar system designed to offset 80% of electricity use, the bill might look like this:
Category | Monthly Cost |
Utility service charge | $15 |
Remaining grid electricity | $25 |
Total monthly bill | $40 |
In this example, the solar system reduces the monthly electric bill by roughly 70%.
Seasonal Electric Bills With Solar
Solar electricity production varies throughout the year because the amount of available sunlight changes by season.
Long summer days usually generate more solar electricity than shorter winter days.
Because of this, homeowners often see seasonal bill variations.
Typical seasonal pattern:
Season | Typical Electric Bill With Solar |
Summer | $5 – $20 |
Spring / Fall | $20 – $50 |
Winter | $40 – $90 |
Winter bills are usually higher because solar systems generate less electricity while homes often consume more power for heating and lighting.
Electric Bill vs Total Monthly Energy Cost
Another important distinction is the difference between the electric bill and the total monthly cost of solar.
Many homeowners finance solar installations through loans.
This means the household may have:
- a smaller utility bill
• a separate solar loan payment
Example:
Scenario | Utility Bill | Solar Loan | Total Monthly Cost |
Before solar | $150 | $0 | $150 |
After solar | $40 | $110 | $150 |
In this situation, the electric bill drops dramatically, but total monthly energy costs remain similar until the solar loan is paid off.
More cost details are explained here:
How Solar System Size Influences the Electric Bill
The amount of electricity a solar system produces depends heavily on its size.
Larger systems generate more electricity and reduce the electric bill further.
Solar System Size | Electricity Offset | Bill Impact |
4 kW system | ~50–60% offset | moderate bill reduction |
6 kW system | ~70–80% offset | strong bill reduction |
8 kW system | ~90–100% offset | very low bills |
System sizing is explained in detail here:
solar-system-sizing-calculator
How Solar Production Determines Electricity Savings
Solar panels produce electricity based on several design and environmental factors:
- panel efficiency
• sunlight exposure
• roof orientation
• shading conditions
Understanding these factors helps homeowners estimate how much electricity their solar system will generate.
Production calculations are explained here:
Solar layout and panel positioning also affect system performance:
Typical Annual Solar Savings
Because electricity costs vary by region, solar savings vary as well.
However, many homeowners experience annual savings in the following ranges:
Household Size | Typical Annual Savings |
Small home | $600 – $900 |
Medium home | $900 – $1,400 |
Large home | $1,400 – $2,000 |
Savings increase further once the solar system is fully paid off.
Solar return calculations are explained here:
solar-panel-return-on-investment
Key Takeaways
Solar panels rarely eliminate electric bills entirely, but they can reduce them dramatically.
Most homeowners still receive a monthly utility statement because of:
- fixed utility connection charges
• nighttime electricity use
• seasonal solar production changes
Even with these remaining costs, solar installations typically reduce electricity expenses by 60–90%, making them one of the most effective ways to lower household energy costs.
Frequently Asked Questions
What is the average electric bill with solar panels
Many homeowners pay between $10 and $70 per month after installing solar panels depending on system size and local utility policies.
Why do I still get an electric bill with solar panels
Electric bills remain because utilities charge fixed connection fees and homes still draw electricity from the grid when solar panels are not producing power.
Can solar panels reduce an electric bill to zero
Some homes reach very low electric bills if the solar system offsets most electricity usage and local net metering policies are favorable.
Does system size affect the electric bill after solar
Yes. Larger solar systems produce more electricity and reduce electric bills further.
Do solar panels eliminate electricity costs entirely
Solar panels can reduce electricity costs significantly, but small utility charges usually remain.