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Optimizing solar asset performance

Providing intelligent PV soiling data from origination to operation

Real-time, Actionable, Hassle-free PV Soiling Measurements

Local Measurements


Here at Fracsun we specialize in on-site soiling loss measurement using our patented ARES soiling management system. By directly measuring soiling with local instrumentation, we eliminate uncertainty and enable your team to confidently monitor and manage soiling loss with ease.

ARES Soiling Station Features

  • Fast installation in under 1 hour anywhere in the array field

  • Self powered and cellular enabled

  • Cloud-based software calculates soiling loss and projects optimal wash dates

  • Calibrated c-Si reference cells closely match the spectral response of site modules.

  • Guaranteed clean irradiance measurement

  • Unique patented solution using proprietary technology

Fracsun ARES Soiling Monitoring Station Device Equipment
Daily Soiling Loss chart on Fracsun Web Portal

Intelligent Analysis

Our software enables your team to access key soiling metrics from anywhere. 

Software Features

  • Accessible anywhere via web portal

  • View key ARES soiling station data

  • Wash forecasting and analysis

  • Proactive alerts and notifications for upcoming wash dates

  • Download raw soiling data

  • Multi-user logins

Project Development Data

The impact of soiling on system performance is often poorly understood during the forecasting and planning stage of project development. Fracsun’s unique soiling dataset is the largest in the country and takes the guesswork out of project development to reduce financial risk.

  • EPC Firms

  • Developers

  • Meteorological Surveyors

  • Prospectors

  • Asset Managers

  • Project Financiers

  • PPA Providers

  • Asset Managers

  • O&M Contract Holders

  • Monitoring Providers

Customers We Support



Will Carleton,
General Manager Solar O&M
Clearway Energy Group

"The equipment has given us monitoring capability to compare soiling levels to generation and helped us determine at what soiling percentage do we engage the contractor so that we don’t have greater generation loss due to contractor scheduling. We can watch the soiling rate and determine ahead of time to schedule the contractor."


Michael Grenier, Managing Partner
Blu Ox Ventures

“Fracsun's soiling management solution is the first truly complete solution available to the market, and it actually makes managing solar assets easier by using sophisticated software to proactively analyze your data and cost-benefit calculations.”


Cannon Michaels, President
Bowles Farming Company

“Before implementing the ARES solution near an agricultural facility our team had difficulty determining when it was the best time to clean the array. After deploying the soiling monitoring hardware, we were able to see that we weren’t washing enough and we were able to bring cleaning in-house, saving a substantial expense on every cleaning event.”


Contact Us

(805) 242-3722

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