Skip to content
Publications

Tesla Powerwall 2 batteries charged using off peak electricity (CP1139)

  • 27th April 2019

There are about 42,074 households in North Devon and the proportion of fuel poor households is estimated to be 11.6%. According to the Non-gas map, 47.1% of properties in North Devon are off the gas grid. North Devon Homes Ltd is the main social landlord in the area and rents 3,221 homes. Out of these, 623 are off the gas grid and likely to be on Economy 7 electricity tariffs. About 7,000 households in North Devon have Economy 7 meters.

Share

The project was led by NEA and North Devon Homes Ltd and had the following aims:

  • Install Tesla Powerwall 2 domestic battery systems in eight socially rented homes in North Devon without solar PV where the batteries charge only from the electricity grid.
  • Assess the performance of the 13.5kWh Tesla Powerwall 2 batteries when grid charging
  • Assess levels of resident satisfaction with the technology
  • Determine the battery performance over about a year and quantify the savings for the residents from the batteriesConsider any challenges associated with deployment and operation of the technology when charging with time of use tariffs.

Share