Become part of the network of microgenerators and donate your data. Our Microgen site records PV generation in the UK by collecting data from volunteers. Sheffield Solar meet their data donors. On Saturday 19th July, Sheffield Solar invited contributors of the Microgen Database to visit the Solar Farm and hear more detail about the work undertaken within the team. The day . Continue reading. Current Conditions in Sheffield. For a typical installation*. Based on a 2kWp PV array.