Let's break down the technical and environmental elements shaping the Vatican's solar success: 1. Advanced Panel Technology The Vatican uses monocrystalline silicon panels with >22% efficiency rates – 15% higher than standard polycrystalline models. ROME (AP) — Italy agreed Thursday to a Vatican plan to turn a 430-hectare (1,000-acre) field north of Rome, once the source of controversy between the two, into a vast solar farm that the Holy See hopes will generate enough electricity to meet its needs and turn Vatican City into the world's first. With limited land and a focus on preserving historical architecture, its photovoltaic (PV) panel installations prioritize power generation efficiency to maximize output without compromising aesthetics. The solar array generates enough power to supply Vatican Radio and all of Vatican City State's energy needs. The agrivoltaic plant sits on over 1,000 acres of. Agrivoltaics is the combination of agriculture with solar photovoltaic technology (which converts sunlight directly into electricity) on the same land. They are built with a series of solar panels that coexist with crops, livestock or both.