Energy generation: electricity goes under zero euro

The month of May 2025 saw the emergence of a remarkable phenomenon in the wholesale electricity markets in France: a negative daily average price. This atypical situation is the result of well-identified cyclical factors, but it is also part of a more structural dynamic linked to the energy transition and to the evolution of usage. On 10 May 2025, the average price of electricity on the French wholesale market reached -1.05 euro per megawatt hou…