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What is the Average Monthly Electric Bill with Solar Panels?

Publish Time: 2025-05-17     Origin: Site

Are you tired of watching your electricity bills climb higher each month? Homeowners across America are facing this challenge. Solar energy has emerged as a powerful solution, with installations growing rapidly in recent years.

Solar panels are more affordable and accessible than ever before. Many U.S. homeowners are already saving hundreds annually by going solar.

In this post, you'll learn how solar panels affect your average monthly electric bill, what savings to expect, and which factors matter most.


How Much Is the Average Electric Bill in the U.S.?

Understanding the typical electricity costs in America provides essential context for evaluating solar panel investments. According to recent data from the U.S. Energy Information Administration (EIA), the average monthly electric bill in the United States stands at approximately $141.41, representing about 899 kWh of electricity consumption at an average rate of 15.73 cents per kWh.

Average Monthly Electricity Bills by State (USD)

State Avg. Monthly Bill
United States (Avg.) $132.17
Alabama $162.67
Alaska $137.88
Arizona $148.44
Arkansas $128.51
California $144.81
Colorado $94.65
Connecticut $202.74
Delaware $138.04
District of Columbia $103.85
Florida $168.35
Georgia $141.67
Hawaii $213.23
Idaho $106.65
Illinois $105.11
Indiana $130.90
Iowa $112.60
Kansas $117.91
Kentucky $125.80
Louisiana $142.96
Maine $153.56
Maryland $148.45
Massachusetts $165.55
Michigan $113.62
Minnesota $110.78
Mississippi $153.07
Missouri $126.09
Montana $109.50
Nebraska $111.52
Nevada $145.62
New Hampshire $168.79
New Jersey $113.21
New Mexico $91.20
New York $125.80
North Carolina $127.79
North Dakota $117.69
Ohio $124.68
Oklahoma $129.10
Oregon $117.66
Pennsylvania $143.10
Rhode Island $149.78
South Carolina $139.91
South Dakota $126.31
Tennessee $135.22
Texas $165.82
Utah $84.97
Vermont $117.11
Virginia $141.63
Washington $107.35
West Virginia $138.56
Wisconsin $111.06
Wyoming $99.24

Key Factors Affecting Your Electricity Bill

Several important variables influence what you'll pay for electricity:

Factor Impact on Electric Bills
Household Size Larger homes with more occupants typically consume more electricity
Energy Usage Habits Working from home vs. being absent during daytime hours significantly affects consumption
Geographical Location Climate differences require varying heating/cooling needs
Utility Rates Local providers charge different base rates and fees

Climate plays a particularly crucial role in determining electricity costs. Southern states like Florida and Texas often have higher bills due to intensive air conditioning needs during hot summers. Similarly, colder northern states may see elevated costs during winter months when heating systems run continuously.


What Is the Average Monthly Electric Bill with Solar Panels?

After installing solar panels, homeowners experience a dramatic reduction in their monthly electricity expenses. The financial impact varies based on system specifications and location, but the savings are substantial across most regions.

Typical Savings per Month

Based on current data from the U.S. Energy Information Administration, homeowners with solar installations typically save between $121 and $146 monthly on their electricity bills. These figures represent a significant return on investment that accumulates substantially over the system's 25+ year lifespan.

System Assumptions and Performance Metrics

These calculations assume a standard residential setup with the following specifications:

System Component Specification
System Size 7.15 kW
Monthly Production 965 kWh
Peak Sun Hours 4.5 hours daily
System Lifespan 25+ years

We base these figures on average installation sizes across American households, though they may vary depending on roof dimensions and energy requirements.

Calculating Your Potential Savings

To estimate your own savings, multiply your system's expected monthly output by your current electricity rate. For example:

Monthly Savings = Monthly Production (kWh) × Electricity Rate ($/kWh)965 kWh × $0.1296/kWh = $125.06 monthly savings

This calculation provides a baseline estimate, though actual savings may fluctuate seasonally due to varying sunlight exposure. Additionally, they may increase over time as utility rates continue their historical upward trend.


Key Factors That Affect Solar Panel Savings

While solar panels can significantly lower your electric bill, the actual savings depend on several critical factors. Let’s explore what impacts the total amount you can save after going solar.

Geographic Location & Sunlight Hours

Solar energy production depends directly on the amount of sunlight your panels receive. States like Arizona and California with 5-6 peak sun hours daily generate substantially more electricity than locations in the Pacific Northwest with 3-4 hours. This variance can result in a 30-50% difference in energy production from identical systems.

Solar System Size & Design

Your system's power rating (measured in kilowatts) directly correlates with potential savings. A properly sized installation should match or exceed your household's consumption, typically requiring:

Household Size Recommended System Size Average Monthly Production
Small (1-2 people) 5-7 kW 600-850 kWh
Medium (3-4 people) 7-10 kW 850-1,200 kWh
Large (5+ people) 10-15 kW 1,200-1,800 kWh

Electricity Rates in Your Area

Regions with higher electricity costs experience greater financial returns from solar investments. For example, Hawaii residents paying 33.49¢/kWh save nearly three times more per kilowatt-hour than residents in states like Utah (10.43¢/kWh).

Energy Usage Habits

High-consumption households typically see larger absolute dollar savings, though the percentage reduction remains similar across usage profiles.

Net Metering Policies

This critical program allows solar owners to receive credits for excess electricity sent to the grid. States offering full retail-rate credits maximize financial returns, while those with partial credits or no net metering significantly reduce potential savings.

Solar Panel Quality & Maintenance

Premium panels with higher efficiency ratings and longer warranties (25+ years) generate more electricity over their lifespan. Regular maintenance ensures optimal performance, with dirty or damaged panels potentially reducing output by 15-25%.


How to Estimate Your Own Monthly Solar Savings

Calculating your potential monthly savings with solar panels requires gathering specific data about your energy consumption and local utility rates. Follow this straightforward process to develop a personalized estimate that reflects your unique circumstances.

Step-by-Step Calculation Process

  1. Review your energy consumption: Examine your utility bills from the past 12 months to determine your average monthly electricity usage in kilowatt-hours (kWh).

  2. Identify your electricity rate: Locate the price per kWh on your electric bill (typically between 10-30¢ depending on your state).

  3. Obtain solar production estimates: Consult with installers to determine the expected monthly output of your proposed system based on:

    • Your roof's orientation and shading

    • Local weather patterns and sunlight hours

    • Proposed system size (measured in kW)

  4. Apply the savings formula: Multiply your expected monthly solar production by your electricity rate.

Sample State-Based Calculation

Sample State-Based Solar Savings Calculation

State Avg. Price per kWh (USD) Avg. Monthly Usage (kWh) Estimated Monthly Savings with Solar Panels (USD)
Alabama $0.1296 1,140 $125.06
Alaska $0.2255 594 $133.89
Arizona $0.1254 1,048 $121.01
Arkansas $0.1127 1,098 $108.80
California $0.2282 542 $123.67
Colorado $0.1307 704 $91.96
Connecticut $0.2191 713 $156.21
Delaware $0.1252 950 $118.85
DC $0.1309 706 $92.42
Florida $0.1190 1,096 $114.84
Georgia $0.1251 1,072 $120.72
Hawaii $0.3349 531 $177.78
Idaho $0.1016 961 $97.62
Illinois $0.1318 728 $95.86
Indiana $0.1337 946 $126.51
Iowa $0.1273 861 $109.63
Kansas $0.1298 890 $115.53
Kentucky $0.1150 1,084 $110.98
Louisiana $0.1102 1,192 $106.34
Maine $0.1702 584 $99.44
Maryland $0.1312 973 $127.66
Massachusetts $0.2289 596 $136.37
Michigan $0.1754 670 $117.57
Minnesota $0.1350 776 $104.76
Mississippi $0.1156 1,171 $111.56
Missouri $0.1141 1,039 $110.11
Montana $0.1122 872 $97.84
Nebraska $0.1075 1,005 $103.74
Nevada $0.1149 959 $110.17
New Hampshire $0.1985 631 $125.24
New Jersey $0.1635 687 $112.39
New Mexico $0.1352 646 $87.31
New York $0.1948 599 $116.70
North Carolina $0.1132 1,063 $109.24
North Dakota $0.1085 1,041 $104.70
Ohio $0.1277 879 $112.21
Oklahoma $0.1100 1,088 $106.15
Oregon $0.1137 936 $106.49
Pennsylvania $0.1376 851 $117.11
Rhode Island $0.2230 585 $130.40
South Carolina $0.1286 1,078 $124.10
South Dakota $0.1222 1,019 $124.52
Tennessee $0.1107 1,183 $106.83
Texas $0.1211 1,094 $116.86
Utah $0.1043 775 $80.87
Vermont $0.1926 567 $109.24
Virginia $0.1196 1,094 $115.41
Washington $0.1011 984 $97.56
West Virginia $0.1215 1,066 $117.25
Wisconsin $0.1452 690 $100.18
Wyoming $0.1117 867 $96.82

Even with regional differences, many homeowners save over $100 monthly.


Long-Term Savings: How Solar Reduces Electric Costs Over Time

While monthly savings from solar panels are impressive, the real financial advantage comes over the long term. Solar panels can last 25 to 30 years or more, providing a consistent return by offsetting electricity bills each month.

10, 20, and 30-Year Savings Projections

By replacing grid electricity with solar, homeowners can avoid rising energy costs. Here's what those savings could look like, assuming a full offset of your average monthly bill:

Monthly Bill 10-Year Savings 20-Year Savings 30-Year Savings
$50 $6,722 $15,327 $26,342
$100 $13,444 $30,654 $52,683
$150 $20,166 $45,980 $79,025
$200 $26,888 $61,307 $105,366
$250 $33,610 $76,634 $131,708

These figures highlight how solar power protects your household from long-term utility expenses, especially in areas with higher rates.

Locking in Energy Rates

One of the biggest advantages of solar is price stability. While utility rates continue to rise due to inflation and infrastructure costs, your solar loan or upfront investment stays fixed. That means the longer you own your system, the greater the savings over time


Conclusion

Solar panels typically reduce monthly electric bills by $120-$145 for the average American household.

These savings depend on your location, sunlight exposure, system size, and local electricity rates.

Over decades, solar installations can save homeowners $30,000-$100,000 while providing protection against rising utility costs.

Consider evaluating your home's solar potential today. A professional assessment will determine if this smart investment makes sense for your situation.

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