Residential storage has excellent potential to reduce peak demand on the grid. Take a look at page 109 on https://www.nationalgrideso.com/document/173821/downlo

Residential storage has excellent potential to reduce peak demand on the grid. Take a look at page 109 on https://www.nationalgrideso.com/document/173821/download https://www.nationalgrideso.com/document/173821/download for some prediction on the impact of smart charging on the UK grid up to 2050. The current impact is indeed small, but with the adoption of EVs speeding up and an increasing amount of renewables on the grid, they'll have a material impact on reducing the cost to the consumer.