Our automated solar panel cleaning technology covers all the bases.


Get the maintenance-free solar production you were promised.

The RST NightWash™ System is the solution to your panel performance woes. Our fully automated solar panel cleaning system can increase your solar panels’ production by up to 30%, decreasing your monthly electric bill and putting money back in your pocket.

No Dirt, No Headaches

Unlike traditional manual cleaning processes that require system owners to handle scheduling and on-site logistics that might void your panel warranty, the RST NightWash™ System can be programmed to clean when you want — simply set it and forget it. Our solution keeps people off your roof, reducing the risk of damage to your property and the length of your to-do list.

With RST, you can enjoy consistently clean panels and peace of mind.

Commercial Solar Systems

The RST NightWash™ System proactively cleans your solar panels to prevent soiling losses, increasing production by up to 30%—reducing your project payback period and improving project financials. 

Our fully automated panel cleaning solution utilizes a patented water irrigation system with no moving parts to clean your panels, protecting your warranty while avoiding the hassle and liability of scheduling laborious manual cleanings. Our trusted system cleans over 2,000,000 solar panels each night, and you can trust it for your panels, too.

With the RST NightWash™ System installed on your new or existing commercial solar project, you can enjoy sparkling blue panels, increased production, and better returns on your investment.

Agricultural Solar Systems

Whether you grow almonds or raise dairy cows, work on the farm gets dirty—and your solar panels are no exception.

The RST CleanTech solution will keep your panels clean through dusty harvest seasons, air pollution, fires, and day-to-day grime, without the hassle of scheduling manual cleanings.

Our fully automated solar panel cleaning system uses patented irrigation technology to wash your panels with pure, chemical-free water, making it safe for operation around crops and livestock. Because you can control your cleanings, you can clean whenever you want and keep your panels clean all the time, maximizing solar production.

floating solar with rainbow

Utility-Scale Solar Systems

Maximize production and investment returns with the RST NighWash System.

We know utility solar arrays need to be as efficient as possible to realize the largest returns for their investors. RST NightWash can significantly improve your project’s ROI by increasing solar production by up to 30%.

Our patented system is compatible with all ground-mount, single-axis, and dual-axis systems, and it works with all types of solar panels. RST NightWash is operated remotely via our smartphone app, meaning no more visits or scheduling required to clean the panels.


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Contact RST today.

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