Think-tank ResPublica says community-owned capacity is oncourse to reach 550MW by 2020, from 60MW now, as local groups warm to the ideaof having a stake projects.

But its study claims the ownership model has a hugely biggerpotential – equivalent to one-fifth of total renewable capacity, or almost 5.3GW – given the right policy framework.

It points out that community energy in Germanyaccounts for 46% of all renewable production.

To