This week’s TOP 5 includes the commissioning of the second phase of a PV plus storage power plant in St Eustatius, Alfen installing a fast charging station with storage at a stadium in the Netherlands, Siemens starting the construction of a 30 MWh thermal storage system in Germany, the energy storage industry asking for clarifications on the status of energy storage in the Investment Tax Credit in the USA and a 1 MWh system coupled with 400 kW of PV commissioned by EnSync in Hawaii.


  1. SMA upgraded its St Eustatius PV plus storage power plant in order to further reduce the amount of diesel consumed on the island. The installation is now composed of 4.15 MW of PV and 5.9 MWh of battery storage.
  2. Dutch system integrator Alfen has installed a fast charging station with storage at the Hague Stadium, in the Netherlands, and is planning a share market listing in Amsterdam in the first half of 2018.
  3. Siemens Gamesa has begun building its 30 MWh thermal storage system coupled with a wind farm near Hamburg, Germany.
  4. “37 energy-storage companies and associations have written a letter to Congressional leaders asking them for clarification on whether their products qualify for the investment tax credit (ITC) and urged them to support their inclusion in upcoming tax legislation.”
  5. EnSync commissioned a 400 kW PV plant coupled with a 1 MWh Li-ion battery at a consumer in Hawaii.