How solar forecasting could avoid negative energy prices due to high renewable energy generation.

The German market was affected on May 8th 2016 by an exceptional penetration of variable (solar and wind) renewable energy sources (RES) into the grid. The latter represented nearly 87% of the country’s electricity production, causing the occurrence of negative prices of about € -144.78 on the spot market throughout the day.
This event was mainly generated by the renewable energies’ variability, which drove grid managers to endure the resources’ oscillations. Thanks to solar production forecasting, an innovation completely mastered by Reuniwatt, solar energy becomes guaranteed. This technology thus easens grid management – even with high-penetration of renewable energy resources-, with the gradual disappearance of negative prices on the spot market.

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grid management case study