“How much does a solar energy system cost?”
That is one of the first questions we are asked. It seems like we should have an exact number to instantly respond with, but solar energy is not a one size fits all solution. Each system we sell is designed by our team to meet that customer’s specific needs, and as a result, there are several variables that will impact the final cost.
Our systems are designed to cover as much of your energy usage that makes economic sense. It’s our goal to provide you with a system that fits your needs, while providing the shortest payback and greatest return on your investment.
Here is what goes into determining the cost of a solar energy system:
Type of Installation
Roof mounts are attached to existing structures. Ground mounts and carports require additional posts that must be anchored into the ground. This often results in higher labor and component costs.
Type of Equipment
There are two basic variables with solar panels: power density and color. Power density is the amount of power that a solar panel can produce per unit of size. For example, a solar panel that is the same size may produce between 300-400 watts, depending on the power density. Generally speaking, the more power dense the panel, the higher cost per watt. Color is the other variable with solar panels. The basic panel has a blue cell, white backsheet, and silver frame. Modules with a black frame, black backsheet, or black cell are generally more expensive.
Panels are linked together in one or more groups. Each group feeds into one string inverter, feeding several panels into one inverter. String inverters tend to be more cost-effective than other types of inverters.
Micro inverters are installed on each individual panel. Although this type of inverter has it’s benefits, they tend to be the most expensive type of inverter.
Power optimizers have many of the benefits of micro-inverters. They are generally more expensive than string inverters, but less expensive than micro-inverters.
Solar can be installed on metal, shingle, and flat roofs. Each one requires different components and varying levels of labor. Shingle roofs require a specific flashing piece to attach the panel racking to the roof. For a ribbed or standing seam metal roof, the racking is attached directly to the metal. Panels are installed on a flat roof using a ballast mount – a tray held in place by a concrete block.
Will Solar Work on Your Roof?
Most solar systems are designed to offset as much energy consumption that makes sense financially. The more energy production needed, the more panels and equipment the system will require.
Depending on how much shading a system will be exposed to will impact the amount and location of the panels. If a system is installed in an area with shading, it may require additional panels to meet the customer’s energy coverage requirements. On the contrary, a system that is in full sun could potentially produce the same amount of energy with less panels.
Weather patterns in each region are different. Some locations receive more sun than others. Other regions receive more snow. Our systems are designed with this data in mind and that will impact the system size and the necessary equipment.
Interconnection is the process of connecting the solar system to the power grid. Each local utility has specific requirements that must be followed. Some of these requirements could impact the type of meter you need, or whether transformer upgrades are required. The interconnection cost is different for each project, depending on how much solar is already in your area, the age and strength of the equipment on your line, and the size of the solar array itself.
Distance from the Solar Array to the Interconnection Point
Since the power produced by the solar array must be transported to the utility meter, the farther the solar array is from the interconnection point with the utility, the higher the cost of the array. This is due to the conduit installation or trenching required, as well as the size of wire required (the farther the distance the larger the wire is required to be).
There are many incentives available for solar owners. These need to be considered when examining the cost of a solar system.
Those incentives include:
With that in mind, below we’ve listed the average costs of installing solar before capitalizing on the above incentives.
Commercial and Agricultural
The average agricultural and commercial systems are between 50 kW and 100 kW. These will typically cost between $100,000 and $250,000 before incentives are utilized. With the available incentives, solar owners could receive 30% to 75% of the system’s cost back within the first year after installation.
The average agricultural and commercial solar owner can expect to save $100,000 to $350,000 over the 30+years of the solar system’s life.
Without solar, the average business and farmer will spend $150,000 to $500,000 in electricity over 30 years.
The average residential system is between a 5 kW and 10 kW. These solar systems will cost between $15,000 and $30,000 before incentives are utilized. With the available incentives, solar owners could receive 30%+ of the system’s cost back almost immediately after installation.
The average residential solar owner can expect to save $9,000 to $30,000 over the 30+ years of a solar system’s life.
Without solar, the average homeowner will spend $30,000 to $50,000 in electricity over 30 years.
Keep in mind these are average costs and system sizes. The cost will vary depending on your specific requirements. We provide free estimates that will provide you with the exact cost and available incentives to help you decide if solar is the right investment for your business, farm, and home.