Project development

Know the future profitability of your projects, taking into account meteorological variability


Products and services for solar and wind power plant developers to anticipate the profitability of your installations

As a developer of solar or wind power plants, you need to know the future profitability of your installations. Due to increasingly stringent Transmission System Operator (TSO) requirements, power plant operators may pay significant penalties and / or be subject to restrictions. Knowing the predictability of your sites can help you to anticipate future penalties and reductions, and thus have an accurate Business Model.

If you are running a hybrid system, with Energy Management and Storage System (EMS), the battery size largely depends on the accuracy of the weather forecast. It can be halved depending on the system with a better forecast.

Steadysun can help you in the choice of sites, in the dimensioning of your system and in the precision of your economic models, with a wide choice of studies adapted to your problems.

Because solar and wind energies are variable, knowing predictability of sites is a must to ensure the viability of your Business Models.





Solar resource & PV assessment study

Solar variability assessment study

Forecast contribition assessment study

Historical data

Meteorological stations

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Plant Operations

Products and services for solar plant operators allowing to maximize the profitability of your plants.

Hybrid systems & storage

Microgrid studies, solar and wind forecasts to optimize the sizing and the management of hybrid systems (PV/Wind/Storage/Genset).

Research & innovation

Doctors and scientists can help you find the best innovation for you problematic. 

Energy trading & Portfolio management

Solar and wind portfolio production forecasts to sell electricity at the best price on energy market (SPOT), and to minimize the cost of imbalance penalties.

Grid management

Solar and wind forecasts to reduce spinning reserve, and avoid grid instability. 

Insular system management

Studies to anticipate the meteorological impact on the grid during transition to renewable energies, solar and wind forecasts to reduce spinning reserve, and avoid grid instability. 

Smart grids & Smart cities

Solar, Wind and Load forecast to define the best control strategy and maximize self-consumption.


+33 (0)9 70 75 34 16



+33 (0)9 70 75 34 16







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