Montalto di Castro is a comune in the Province of Viterbo in the Italian region Lazio, located about 90 kilometres northwest of Rome and about 40 kilometres west of Viterbo.
It is home to a large fossil fuel powered power plant managed by ENEL and the largest solar PV power plant in Italy.
Wikipedia https://en.wikipedia.org/wiki/Montalto_di_Castro
Coordinates 42°21'5.55" N 11°36'26.276" E
