RST Cleantech

Automatic Solar Panel Cleaning

Energy Tech
Active
Mature Tel Aviv-Yafo, Israel Founded 2013
Website ↗ LinkedIn
Last updated 2026-06-18
Total raised
$6.2M
Last: 2021-03
Stage
Mature
Founded
2013
Headcount
22
HQ
Tel Aviv-Yafo, Israel
Sector
Energy Tech

About

RST CleanTech specializes in automated solar panel cleaning solutions. Their NightWash system is designed to keep solar panels clean without manual labor, using a fully automated, brushless, and labor-free cleaning system controlled via a mobile app. This system can increase solar panel energy production by up to 30% by regularly cleaning the panels, thus improving their efficiency. It's applicable to various types of solar projects and can be installed on new constructions or retrofitted to existing ones, ensuring compliance with panel manufacturers' warranties and reducing labor hazard

Funding history · 1 round · $6.2M total

2021-03

Q&A

What is RST Cleantech's primary business?
RST Cleantech specializes in automated solar panel cleaning solutions, offering the NightWash system for brushless, labor-free cleaning controlled via a mobile app.
When was RST Cleantech founded?
RST Cleantech was founded in July 2013.
How much funding has RST Cleantech raised in total?
RST Cleantech has raised a total of $6.2 million USD.
When was RST Cleantech's last funding round and who were the investors?
RST Cleantech's last funding round was in March 2021, with investments from Sonol and Israel Canada Tech Investments.
What is the employee count for RST Cleantech?
RST Cleantech has 11-50 employees.
Where is RST Cleantech's headquarters located?
RST Cleantech's headquarters is located in Tel Aviv-Yafo, Israel.
What are the key benefits of RST Cleantech's NightWash system?
The NightWash system can increase solar panel energy production by up to 30% through regular cleaning, ensuring efficiency, compliance with manufacturers' warranties, and reducing labor hazards.
Who are the co-founders of RST Cleantech?
The co-founders of RST Cleantech are Roy Sade, who also serves as CEO, and Shani Bakaliar, who is also the GM.

Team · 2

Roy Sade
Founder · Co-founder, Owner, and CEO
LinkedIn ↗
Shani Bakaliar
Founder · Co-founder & GM
LinkedIn ↗

Sectors & technology

Primary sector
Energy Tech
Sub-sectors
Climate TechEnergy TransitionClean Energy GenerationEnergy TechEnergy Production & Sources
Target customers
Real Estate & ConstructionManagementCommercialEnergy, Utilities & Waste ManagementRenewable Energy SystemsSolarGovernment & CityMunicipalities
Business model
B2B

Highlights

Climate Tech

Tags

climate-techresidential-sitescommercial-sitesenergy-savingwaterelectric-utilitieswater-treatmentcleaning-robotphotovoltaicsfiltration-and-purificationsolar-panelsrenewable-energy
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