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Best Solar Companies In Sacramento, CA Of 2024 – Forbes Home

When selecting a solar installation company in Sacramento, there are a number of specific factors to consider. With 85 solar companies in the area and the median Sacramento household size as 1,996 square feet, you should get a basic idea of how many options are at your disposal and what size solar system you’ll need for your home. Below are a handful of other important aspects of choosing a solar installation company in the Sacramento metro area.

Size of the System You Need

An important part of solar installation is determining what size system, or how many solar panels, will work best for your home. To best determine how many solar panels you’ll need, be ready to give companies the following information:

  • How much available space is on your roof
  • The amount of energy your household uses
  • The average number of hours of sun that your home receives
  • The wattage and relative efficiency of the photovoltaic (PV) the type of solar panels you want to install

Finally, be sure to inform the company of the number of people that reside in your home.

Sacramento has three people in the average household, so many installers will use this number as a benchmark for how much solar energy your home will require.

Solar Warranties

Solar companies offer different warranties on their products and services, but you can find some common themes among the most prominent companies. For example, most solar companies and vendors offer 25-year warranties for solar panel performance and factory defects. Warranties for other elements, such as battery and charge controllers, vary depending on the item and the manufacturer.

You may find that some companies also include extra insurance and protection options for situations like property damage during installation, since the installation process involves altering your existing structures to accommodate the technology and wiring. Workmanship guarantees usually come standard, but coverage length can vary as well.

If you plan to lease your solar system, most companies will cover all issues throughout the contract duration. Also, they will typically take responsibility for solar system maintenance.

Types of Solar Warranties

Depending on which solar company you choose, there will be differences in the warranties they offer, but you’ll notice similarities among many. For instance, it’s typical for most solar vendors and installers to offer 25-year warranties for solar panel performance and factory defects. Warranties for other parts, like battery and charge controllers, can differ depending on the item and manufacturer you choose.

Because installing solar panels requires modifying some of the existing structures of your home to help make space for the new technology and wiring, there may be additional insurance and protection options to cover property damage during installation, depending on which company you choose. Regardless of the installers you pick, a workmanship guarantee is usually a standard offering, but the coverage length can vary.

If you choose to lease your solar system, it’s common for most companies to cover all issues and required maintenance throughout the lease.

Types of Solar Warranties

  • Manufacturer’s Equipment Warranty (Product Guarantee): Also known as a product warranty, a manufacturer’s equipment warranty typically covers manufacturing defects and panel failure and provides 25 years of protection for premium, high-quality solar panels.
  • Performance Warranty (Power Guarantee): This acts as a guarantee from the manufacturer that the panels you choose will maintain an output of a determined percentage of their original levels. This can usually range anywhere from 10 to 25 years and guarantee output percentages of around 90% after 10 years and around 80% after 25 years.
  • Workmanship Warranty: Also called an installation warranty, this addresses any solar system damage that occurred during installation. Coverages can typically range anywhere from two to 15 years or more.

Solar Panel Type

Determining which type of solar panels will best suit your lifestyle is an important part of choosing an installation company. For residential use, there are typically three solar panel options: monocrystalline, polycrystalline and thin-film. A fourth option, solar shingles, are newer and less cost-effective. But if money is less of an obstacle, solar roofing shingles are great for those who prefer a sleeker finished look.

Monocrystalline solar panels: These are the most frequently installed panels, boasting the highest efficiency rating of 20% or higher with warranties that typically last 25 years. Monocrystalline panels tend to cost the most upfront, as it costs more to manufacture them.

Polycrystalline solar panels: This panel option is typically less costly to build than its monocrystalline counterpart, making it cheaper to buy but also less efficient. Each panel produces about 250 watts of power instead of 300 or more. Polycrystalline panels resemble the more popular versions, though, and last nearly as long depending on the brand.

Thin-film solar panels: The most cost-effective option, thin-film solar panels are much lighter in comparison. They tend to be less efficient overall.

Solar shingles: For those with larger budgets, solar shingles may be the way to go. While they tend to be less efficient than monocrystalline panels (they have between 14% and 18% efficiency), shingles are a more attractive option.


Monocrystalline solar panels are pricey, costing an average of $1 to $1.50 per watt. On the other side of the price spectrum, thin-film panels cost between $0.43 and $0.50 per watt.

Shingles are a newer technology and accordingly cost more money and require a more in-depth installation.

Sacramento Home Energy Needs

You can estimate how much energy your home requires by using the median size of a Sacramento household, which is 1,996 square feet, and the average energy usage per household in California, which is 542 kWh per household. This will help you choose a solar company that can meet the needs of your home while staying within your budget.

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