Yes. equiwatt is an approved provider for the National Grid ESO's Winter Demand Flexibility Service (DFS).
Alongside a number of the UK's biggest energy providers, we are also pleased to be able to reward our users for reducing their energy usage at peak times by participating in the National Grid ESO's DFS via our free app.
You can see the full list of approved providers here alongside other information relating to the scheme: https://www.nationalgrideso.com/industry-information/balancing-services/demand-flexibility/approved-provider-list