The first wave of the support scheme sought to enable the grid connection of 20,000 systems. Image: Sonnen.

The first wave of the support scheme sought to enable the grid connection of 20,000 systems. Image: Sonnen.

Germany’s support programme for solar-plus-storage systems, which offers a rebate on the devices, has been officially re-launched as expected by the Federal Ministry of Economic Affairs and Energy.

The scheme, administered through the national development bank KfW, was due to expire at the end of 2015. It offered around US$635 per kilowatt-hour of storage capacity and available only when installing storage in conjunction with PV.

The incentive also only applies for electrochemical storage batteries connected to the grid, with the scheme reopening on 1 March. The ministry for economic affairs and industry (BMWi), said it has a budget of EUR30 million for the programme until the end of 2018.

The rules have been revised somewhat. The ministry said this was partly to reflect the falling costs of storage technologies, as well as to promote a “higher standard” of battery storage system on the network, particularly with regard to how the systems interact with the grid.

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