The Vatican’s solar shift is a culmination of a political and spiritual mission years in the making. In 2024, the late Pope Francis issued an apostolic letter ordering the construction of an agrivoltaic solar plant to supply the Vatican with energy from Santa Maria di Galeria. On the same site, the new solar infrastructure now stands.
This is not just about rooftop panels; it’s about how science, sustainability, and faith can coexist and set the pace for the rest of the world to follow. Vatican City is powered by solar. On May 29, 2025, the Vatican City officially transitioned to solar power, marking a significant shift in the European energy landscape.
The agrivoltaic system to be built here is based on «Fratello Sole», a motu proprio that Pope Leo XIV issued to promote environmental responsibility within Vatican infrastructure. The project aims to meet the full energy needs of both the Vatican State and Vatican Radio using solar technology integrated with agricultural activity.
This project was carried out by ACEA, an Italian utility company, which installed systems to meet all of the Vatican’s energy demands. What makes this significant is not the size, but that Vatican City is only 0.49km², and there was no loud campaign, no press tour, just action set in stone and implemented.
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EXECUTIVE SUMMARY Renewable energy deployment in off-grid systems is growing steadily in both developed and developing countries, but there are only limited data available on their …
Pope Francis has unveiled a plan to transition Vatican City to solar energy as its primary source of electricity in his latest motu proprio “Fratello Sole” or “Brother Sun.” The …
Harness the power of the sun with our off grid solar system kit, providing reliable and sustainable electricity for remote locations, off grid homes, and backup power solutions. Experience …
According to the Vatican’s press office, the installation will apply the most advanced solutions currently available, balancing clean energy generation with the preservation of …
Vatican City is on track to become the 8th country in the world to generate 100% of its electricity from renewable energy, following Pope Francis’ announcement about plans to …
In remote areas and areas not covered by conventional power grids, access to stable electrical energy is a major challenge. Limited infrastructure and the high cost of …
Basically, there are two types of solar power generation used in integration with grid power - concentrated solar power (CSP) and photovoltaic (PV) power. CSP generation, …
The Off grid and the Hybrid PV systems both have the use of batteries considering their peculiar nature and the alternative power option they are conceptualized and built to …
A solar panel system is being built on the 424 hectares of extraterritorial land in Ponte Galeria, which within a year will make the Holy See the first zero …
Pope Francis has announced measures to transition Vatican City to using solar energy as its main source of electricity, as outlined in his latest motu proprio titled Fratello …
The world’s smallest country just made a big move: Vatican City is now powered entirely by solar energy, setting an example for global climate action.
Vatican City, the seat of Catholic papacy, has completed its move to solar-powered energy following the completion of its agrivoltaic plant situated on the Holy See’s …
A solar panel system is being built on the 424 hectares of extraterritorial land in Ponte Galeria, which within a year will make the Holy See the first zero-emission state in the world.
The agrivoltaic system to be built here is based on “Fratello Sole”, a motu proprio that Pope Leo XIV issued to promote environmental responsibility within Vatican infrastructure. …
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