
There are many options available for solar panel installation companies. For example, you can opt for one that offers a 25-year warranty, such as SunPower. Sunrun also offers price-match and loans. Apart from these companies, solar panels can also purchased online through several other retailers.
SunPower offers a warranty of 25 years
SunPower, a San Jose, California, manufacturer of solar panels, is now extending its warranties to all new solar panels purchased in the U.S. The new warranty, which will provide power and product performance for 25-years, is more than any industry standard. The panels will have a minimum output of 85 percent for the first five and an average output of 87% the following 20 years.
Tesla offers a 25-year warranty
The performance warranty for Tesla solar panels is 25 years. It guarantees that the panels will work at 80 percent of their potential for 25 year. Tesla offers a comprehensive warranty covering all aspects of the system including the Powerwall, inverters, and other components. Lastly, the company offers customer support for the panels. Although this warranty is longer than most solar panel warranties, it does have some limitations.

Green Power Technology offers loans
A solar loan is a great way for financing the purchase of solar panel. The loan can be used in conjunction with other types of financing such as a loan for home improvements, personal loans, and mortgages. Your personal financial situation, credit score, income, and income will all affect the amount and repayment terms of the loan. Loans can extend up to 30 years.
Sunrun guarantees a price match
Sunrun offers a 10-year, bumper-to-bumper warranty for their solar panels. The company also provides maintenance and monitoring services. The annual lease fees increase based on energy costs in your area. On average, however, they are only 2%. Even if your budget doesn't allow you to buy solar panel outright, leasing can help you cut down on your utility bills.
Tongwei Solar
Tongwei Solar ranks among the top solar panel companies worldwide. Their extensive list of accolades and awards includes the Leading Enterprise Award as well numerous industry firsts. The company is committed in researching and developing the most effective solar cells, and their highly skilled research & development teams have produced panels that were marketed around the globe.
LONGI Solar
LONGI is a manufacturer of solar panels with a global presence. Its Malaysian factory can produce solar panels with a capacity of 500 megawatts. Longi has offices and warehouses throughout six countries, in addition to its Malaysian facility.

Zhongli/Talesun
Zhongli/Talesun solar panels are a highly regarded and popular brand. This Chinese company of 30 years has earned a reputation for manufacturing high-quality solar modules that can last decades. It is a Bloomberg Tier One listed company that has seen significant success in the field of solar energy.