The Secondary Reserve is a French electric reserve implemented to balance the power grid. The secondary reserve is used to restore automatically the frequency of the power grid by the French TSO, [Elia](https://www.rte-france.com/en). This service will be available for our partners in mid-2022, when the market will open to independent aggregators. Valorize your flexibility and commit yourself [Contribute to energy transition](/en/about/contribuez-la-transition-energetique-avec-flexcity) --- ## Who can participate? **1.** An asset **PRODUCING OR CONSUMING ELECTRICITY.** **2.** An asset able to **MODULATE ITS ELECTRIC POWER WITHIN 5 MINUTES.** **3.** An asset able to **DAILY MODULATE ITS ELECTRIC POWER FOR SEVERAL MINUTES.**  #### Learn more on: [Our other services in France](/en/france)