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Solar and battery storage with locked-in rates and a production guarantee.
If our system doesn't produce, you don't pay.
ForForoverovereighteightyears,years,we’vewe’vequietlyquietlyprovidedprovidedhomeownershomeownersthethemostmostreliablereliablewaywaytotosavesavemoneymoneypoweringpoweringtheirtheirhome.home.Now,Now,we’rewe’reexpandingexpandingtotohelphelpmoremorecustomerscustomersaccessaccessguaranteedguaranteedpowerpowerandandlocked-inlocked-insavings.savings.IntroducingIntroducingMaxwell,Maxwell,thethepowerpowercompanycompanythatthatkeepskeepsitsitspromises.promises.
Full Brand Launch Autumn 2026
How it works
We install solar and battery storage at your home, sized to your needs, and keep it running for the life of the contract.
One upfront payment locks in 20 years of energy at a rate that beats the rising cost of the utility. No lease, no surprises.
We monitor and maintain everything. If the system doesn’t produce the power we promised, you don’t pay us.
Our Track Record
We are on the hook to produce power, so we use only top-quality equipment and stand behind every system we install.
Frequently asked
Everything you want to know about going solar with a company that puts the guarantee in writing.