Free and premium solar irradiance calculator

Get bankable PV energy yields by connecting your trusted meteo data streams

Accurate solar irradiance data is the foundation of your future PV plant. You can easily upload your own TMY dataset in .csv or connect to trusted sources to ensure the bankability of your utility-scale solar project.



  • Integrated with open-source and premium solar flux data streams

  • Upload your own irradiance data

  • Get project capacity and bankable energy yield estimates while designing

  • Full package of engineering documentation ready for your stakeholders

Solar irradiance calculator
AES
Aquila Capital
Nextera Energy
VSB
BayWa r.e.
Burns and McDonnell
Cepsa
Edify
Enel
Engie
Ferrovial
Hanwha
IGNIS
Jinko Solar
Lightsource bp
Celsia
Tenaga Nasional
Cubico
Naturgy
OX2
Shell
Siemens Energy
Tata Power
Total Eren
Voltalia
Sungrow
Doubling PV project development bandwidth with software
Lennin Piñeiro

Doubling PV project development bandwidth with software

«Thanks to the new developments created by RatedPower that adapt to our needs, we could double our capacity. The time we used to spend on designing and reviewing designs is now focused on doing more projects.»

Lennin PiñeiroDevelopment Engineer at Celsia

Automate your asset design and project optimization

Energy production estimates you and off-takers can trust

Unlock the potential and boost productivity of your development and engineering teams across the entire PV project lifecycle.

Open-source solar irradiance data streams


  • PVGIS


    • RatedPower is seamlessly integrated with PVGIS. It's a free database with information about solar radiation and PV system performance.



  • NASA


    • Pull meteorological and solar-related parameters directly from NASA POWER into RatedPower's platform. These open-source data sets are provided to assist in the design of solar-powered renewable energy systems.



Open-source solar irradiance data streams
Open-source solar irradiance data streams

Premium data streams


  • SolarAnywhere®


    • SolarAnywhere is an accurate global solar data partner for project developers, financiers, and operators. Use bankable-grade data depth and accuracy for your next solar project directly from RatedPower.



  • Solcast


    • Solcast offers solar resource assessment and forecasting data for irradiance and PV power. Built using a global fleet of weather satellites.



  • Solargis


    • Solargis is the energy industry’s trusted source for solar data, software, and expertise. Solargis data has helped develop 500+ GW of assets worldwide and is used for monitoring and forecasting solar power plants with a combined capacity of 100+ GW.



Solar flux calculator
Solar flux calculator

Use the built-in templates to import your own solar influx data

Drag and drop your .csv file with TMY data. RatedPower supports:



  • SolarGIS hourly and monthly

  • SolarAnywhere hourly

  • NREL TMY3 hourly

  • PVGIS5 hourly

  • Meteonorm hourly


If you have meteorological data from other sources, you can adapt your .csv to the available templates.

Insolation calculator
Insolation calculator

Take a free product tour

Not ready to buy just yet? No problem. Take a free product tour and discover our solar software at your own pace.

Thousands of professionals choose to work with our solar flux calculator and design software

Streamlining BayWa r.e’s pre-engineering workload
Mirko Schiezl

Streamlining BayWa r.e’s pre-engineering workload

«We needed software that was easy to handle, fast, and detailed. Now, with RatedPower, our developers can design in half an hour. Using AutoCAD or other tools would take one or two days.»

Mirko SchiezlHead of Engineering at BayWa r.e.
RatedPower speed helps us boost our competitive advantage
Megan Parsons

RatedPower speed helps us boost our competitive advantage

«Now we can turn around design documents within hours and minutes to stakeholders, landowners, partners or engineers, to get through our regulatory process. This has allowed us to move projects forward faster.»

Megan ParsonsChief Engineer at Blue Ridge Energy
A three-in-one software that saves PNE time and resources
Hugo Navarro

A three-in-one software that saves PNE time and resources

«It's easy to use, even for non-technical users. Now, anyone in our offices can efficiently create their own designs, and our German engineers can manipulate anything in our projects remotely since RatedPower's platform is cloud-based

Hugo NavarroSenior Photovoltaic Design Engineer at PNE AG
Optimizing PV projects and overcome the limitations of legacy software
Saad Umer

Optimizing PV projects and overcome the limitations of legacy software

«We have received a highly professional response when we needed support or training from the team. RatedPower helps us optimize our projects and provides us with a significant advantage over our competitors

Saad UmerExecutive Manager, Solar PV Network Head at ACWA Power
Harnessing RatedPower to carry out invaluable PV equipment analysis
Nicolás Fernández-Velilla

Harnessing RatedPower to carry out invaluable PV equipment analysis

«RatedPower provides us with simplicity and flexibility in our solar projects while requiring fewer resources. Other software options typically demand more resources on our end to complete these calculations.»

Nicolás Fernández-VelillaSystem Solution Engineer at Sungrow
Doubling PV project development bandwidth with software
Lennin Piñeiro

Doubling PV project development bandwidth with software

«Thanks to the new developments created by RatedPower that adapt to our needs, we could double our capacity. The time we used to spend on designing and reviewing designs is now focused on doing more projects.»

Lennin PiñeiroDevelopment Engineer at Celsia
Driving efficiency and optimizing resources for more than 50 projects
Antonio Verdugo

Driving efficiency and optimizing resources for more than 50 projects

«RatedPower offers highly personalized customer support. The team has been efficient in solving our doubts and helping us learn how to make the most out of the tool based on our unique needs.»

Antonio VerdugoTechnical Engineer at ABEI Energy

Discover RatedPower first-hand

Request a live demo and see it in action

Start accelerating your PV plant design and engineering today. Our team of specialists is happy to answer your questions and help grow your PV business.

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