Enel Green Power Spain plans 38MWh battery storage addition to solar PV plant


The renewables arm of Italy-based power company Enel is seeking approval to add a 38MWh battery storage system to an existing solar PV plant in Spain.

Enel Green Power Spain has made public its request for ‘Administrative Authorization and Administrative Authorisation for Construction’ of the 38.5MWp/30MWn ‘APICIO electrical energy storage infrastructure’.

It wants to build and hybridise the energy storage unit with the already operational 42.25MW APICIO PV plant, which has a 40.14MW grid connection that would also involve building a new 30kV line connecting the two systems.

Specifically, the storage system would optimise the flexibility and output of the solar PV plant by storing its excess energy. It would be made up of 22 battery storage containers and a container for the control and communications system.

The company revealed its plans in a filing on the official state bulletin of the federal government yesterday (18 January), and interested parties have 30 days to visit the proposed site and have input into the process. Ultimate authorisation for the project lies with the Ministry for the Ecological Transition and the Demographic Challenge (Ministerio para la Transición Ecológica y el Reto Demográfico).

The budget for the storage project is €33 million (US$35.7 million).

Based on the above parameters, the project could qualify for a grant covering 40-65% of the investment cost under a new scheme from the federal government which launched this month, totalling €150 million in grant funding.

In 2021, the firm announced it would pair 8.5MWh of ESS Inc’s iron flow batteries to a solar PV plant.

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