Solar Panels Cost $14k-$24k in Washington County, TN | August, 2025

Electricity Costs in Washington County, TN & What that Means for Your Solar Panel Pricing

On average, Washington County residents pay 152.57 for their electric bill each month and consume 1,189 kWh. Small houses, such as studio apartments or condos, are also encompassed in the numbers mentioned in the previous sentence.

Washington County, TN's electricity rate averages 12.83¢ per kWh in August 2025.

The expense for aa 10 kW solar panel system comes to $35,300 before incentives, but with a 30% tax credit, the final price is reduced to $24,710.

Are solar panels worth it in Washington County, TN?

If you expect to own your residence longer than the solar system's payback period, solar panels are a wise investment in Washington County. A 5 kW solar system in Washington County, TN could potentially save you $24,261.8 over the course of 20 years, with the break even point usually at 7 years.

The cost of not having solar panels in Washington County, TN

Skipping solar panels or an alternative backup energy source results in you'll miss out on the savings highlighted before and be completely dependent on your electric utility for power. As recent news articles have shown, full dependence on your utility provider is not always ideal.

Generally, customers in Washington County encounter around 1.3 outages. The typical duration of each outage is 196.26 minutes. When significant events such as construction accidents, equipment failure or high winds occur, these time frames can become much longer.

Take a look at the info below to see the number of current electricity customers without power in Washington County.

Whether equipped with a backup battery or not, a solar panel system can reduce the strain of potential future outages.

What impacts the cost of solar panels in Washington County, TN?

Your Energy Needs - The upfront cost for larger solar panel systems is larger, but the cost per watt reduces as the system size expands. Many consumers realize it's a good idea to set up a solar system that can make enough power to offset their electric bill, because it helps them achieve greater savings.

Make & Model - There are a range of makes and models of solar panels and mounting equipment. Since your contractor may prefer particular brands, it's crucial to select a highly rated company. Choosing better quality materials can yield a much better long-term experience for the buyer.

Solar Panel Type - For several valid reasons, monocrystalline panels are now the industry standard. They come with a higher price, but they provide more energy. Most solar panel installers opt for this type of material.

Your Property - Each home and property is unique in its own way. Uneven land, trees, or additional considerations may complicate the installation. Today, the majority of solar installers can assess your home with satellite images and factor in these considerations in the preliminary cost estimate.

Labor Rates - Companies provide varying pay rates to their employees, which are then shown in the prices consumers pay. Businesses tend to receive higher reviews for their services and customer service when they pay better wages.

Permitting & Interconnection - Local permitting and utility interconnection fees, which vary by area, will influence your installation cost. That said, reputable local installers will be able to incorporate these numbers into your first quotes so there are no surprises.