A solar power plant with photovoltaic systems is seen near Schweitenkirchen, north-west of the Bavarian capital Munich, Germany, October 20, 2021. REUTERS/Lukas Barth 

A solar power plant with photovoltaic systems is seen near Mainburg, north-west of the Bavarian capital Munich, Germany, October 20, 2021. REUTERS/Lukas Barth 

Nuno Guedes from Portuguese utility EDP and operation technician Antonio Afonso of the Alto Rabagao Floating Solar Photovoltaic Park pilot project exit a power collection tower at the Alto Rabagao Dam, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

Operation electrician Joao Mendes of the Alto Rabagao Floating Solar Photovoltaic Park pilot project, exits a power collection tower at the Alto Rabagao Dam, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

Workers of the Alto Rabagao Floating Solar Photovoltaic Park pilot project stand in the interior of a power collection tower at the Alto Rabagao Dam, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

Solar panels of the Alto Rabagao Floating Solar Photovoltaic Park pilot project are seen at the Rabagao river basin, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

Solar panels of the Alto Rabagao Floating Solar Photovoltaic Park pilot project are seen at the Rabagao river basin, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

Workers of the Alto Rabagao Floating Solar Photovoltaic Park pilot project stand in the interior of a power collection tower at the Alto Rabagao Dam, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

Solar panels of the Alto Rabagao Floating Solar Photovoltaic Park pilot project are seen at the Rabagao river basin, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

Solar panels of the Alto Rabagao Floating Solar Photovoltaic Park pilot project are seen at the Rabagao river basin, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

Solar panels of the Alto Rabagao Floating Solar Photovoltaic Park pilot project are seen at the Rabagao river basin, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

Visitors and workers of the Alto Rabagao Floating Solar Photovoltaic Park pilot project are seen at the Rabagao river basin, in Montalegre, Portugal, September 22, 2021. Picture taken September 22, 2021. REUTERS/Violeta Santos Moura 

A worker walks past solar panels at a photovoltaic power plant in Kiswah, Damascus suburbs, Syria September 8, 2021. Picture taken September 8, 2021. REUTERS/Yamam al Shaar 

A view shows solar panels at a photovoltaic power plant in Kiswah, Damascus suburbs, Syria September 8, 2021. Picture taken September 8, 2021. REUTERS/Yamam al Shaar 

A worker walks past solar panels at a photovoltaic power plant in Kiswah, Damascus suburbs, Syria September 8, 2021. Picture taken September 8, 2021. REUTERS/Yamam al Shaar 

The Ivanpah Solar Electric Generating System, a solar photovoltaic power plant is seen in California's Mojave Desert, in Nipton, U.S., May 4, 2021. REUTERS/Mike Blake TPX IMAGES OF THE DAY 

The Ivanpah Solar Electric Generating System, a solar photovoltaic power plant is seen in California's Mojave Desert, in Nipton, U.S., May 4, 2021. REUTERS/Mike Blake 

Arrays of photovoltaic solar panels are seen at the Tenaska Imperial Solar Energy Center South as the spread of the coronavirus disease (COVID-19) continues in this aerial photo taken over El Centro, California, U.S., May 29, 2020. Picture taken with a drone. REUTERS/Bing Guan 

Arrays of photovoltaic solar panels are seen at the Tenaska Imperial Solar Energy Center South as the spread of the coronavirus disease (COVID-19) continues in this aerial photo taken over El Centro, California, U.S., May 29, 2020. Picture taken with a drone. REUTERS/Bing Guan 

Arrays of photovoltaic solar panels are seen at the Tenaska Imperial Solar Energy Center South as the spread of the coronavirus disease (COVID-19) continues in this aerial photo taken over El Centro, California, U.S., May 29, 2020. Picture taken with a drone. REUTERS/Bing Guan 

Arrays of photovoltaic solar panels are seen at the Tenaska Imperial Solar Energy Center South as the spread of the coronavirus disease (COVID-19) continues in this aerial photo taken over El Centro, California, U.S., May 29, 2020. Picture taken with a drone. REUTERS/Bing Guan 

Arrays of photovoltaic solar panels are seen at the Tenaska Imperial Solar Energy Center South as the spread of the coronavirus disease (COVID-19) continues in this aerial photo taken over El Centro, California, U.S., May 29, 2020. Picture taken with a drone. REUTERS/Bing Guan 

Arrays of photovoltaic solar panels are seen at the Tenaska Imperial Solar Energy Center South as the spread of the coronavirus disease (COVID-19) continues in this aerial photo taken over El Centro, California, U.S., May 29, 2020. Picture taken with a drone. REUTERS/Bing Guan 

Arrays of photovoltaic solar panels are seen at the Tenaska Imperial Solar Energy Center South as the spread of the coronavirus disease (COVID-19) continues in this aerial photo taken over El Centro, California, U.S., May 29, 2020. Picture taken with a drone. REUTERS/Bing Guan 

Arrays of photovoltaic solar panels are seen at the Tenaska Imperial Solar Energy Center South as the spread of the coronavirus disease (COVID-19) continues in this aerial photo taken over El Centro, California, U.S., May 29, 2020. Picture taken with a drone. REUTERS/Bing Guan 

Arrays of photovoltaic solar panels are seen at the Tenaska Imperial Solar Energy Center South as the spread of the coronavirus disease (COVID-19) continues in this aerial photo taken over El Centro, California, U.S., May 29, 2020. Picture taken with a drone. REUTERS/Bing Guan 

A digital board is seen on the road as the spread of the coronavirus disease (COVID-19) continues in Southport, Britain, April 22, 2020. REUTERS/Phil Noble 

A digital board is seen on the road as the spread of the coronavirus disease (COVID-19) continues in Southport, Britain, April 22, 2020. REUTERS/Phil Noble 

A digital board is seen on the road as the spread of the coronavirus disease (COVID-19) continues in Southport, Britain, April 22, 2020. REUTERS/Phil Noble 

A photovoltaic solar panel farm is seen in Porto Feliz, Sao Paulo state, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli 

Alexandre Bueno is seen at a photovoltaic solar panel farm in Porto Feliz, Sao Paulo state, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli 

Alexandre Bueno covers his face from the sun at a photovoltaic solar panel farm in Porto Feliz, Sao Paulo state, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli 

Alexandre Bueno is seen at a photovoltaic solar panel farm in Porto Feliz, Sao Paulo state, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli 

Workers walk between photovoltaic panels at the Benban plant in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

Workers set up the photovoltaic panels at the Benban plant in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

A general view of the Benban plant of photovoltaic solar panels in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

A worker monitors at main control centre at the Benban photovoltaic solar plant in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

Workers set up the photovoltaic solar panels at the Benban plant in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

A worker sets up the photovoltaic panels at the Benban plant in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

Christopher Cantelmi, Principal Infrastructure Department at International Finance Corporation (IFC) looks on during an interview with Reuters near photovoltaic panels at the Benban plant in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

Christopher Cantelmi, Principal Infrastructure Department at International Finance Corporation (IFC) reacts during an interview with Reuters near photovoltaic panels at the Benban plant in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

Christopher Cantelmi, Principal Infrastructure Department at International Finance Corporation (IFC) looks on during an interview with Reuters near photovoltaic panels at the Benban plant in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

Mohamed Ossama, Project Director for solar energy at Taqa Arabia walks after an interview with Reuters near photovoltaic panels at the Benban plant in Aswan, Egypt, November 17, 2019. Picture taken November 17, 2019. REUTERS/Amr Abdallah Dalsh 

General view of floating photovoltaic solar panels during the inauguration of the power plant O'Mega 1 photovoltaic park in Piolenc, France October 18, 2019. REUTERS/Jean-Paul Pelissier 

General view of floating photovoltaic solar panels during the inauguration of the power plant O'Mega 1 photovoltaic park in Piolenc, France October 18, 2019. REUTERS/Jean-Paul Pelissier 

General view of floating photovoltaic solar panels during the inauguration of the power plant O'Mega 1 photovoltaic park in Piolenc, France October 18, 2019. REUTERS/Jean-Paul Pelissier 

General view of floating photovoltaic solar panels during the inauguration of the power plant O'Mega 1 photovoltaic park in Piolenc, France October 18, 2019. REUTERS/Jean-Paul Pelissier 

General view of floating photovoltaic solar panels during the inauguration of the power plant O'Mega 1 photovoltaic park in Piolenc, France October 18, 2019. REUTERS/Jean-Paul Pelissier 

General view of floating photovoltaic solar panels during the inauguration of the power plant O'Mega 1 photovoltaic park in Piolenc, France October 18, 2019. REUTERS/Jean-Paul Pelissier 

General view of floating photovoltaic solar panels during the inauguration of the power plant O'Mega 1 photovoltaic park in Piolenc, France October 18, 2019. REUTERS/Jean-Paul Pelissier 

General view of floating photovoltaic solar panels during the inauguration of the power plant O'Mega 1 photovoltaic park in Piolenc, France October 18, 2019. REUTERS/Jean-Paul Pelissier 

French Foreign Affairs Minister Jean-Yves Le Drian talks with employees at photovoltaic panels of the new one-megawatt power plant next Chernobyl's New Safe Confinement covering the 4th block (reactor 4) of Chernobyl Nuclear power plant, in Chernobyl, Ukraine June 1, 2019. Sergei Supinsky/Pool Via REUTERS 

French Foreign Affairs Minister Jean-Yves Le Drian talks with employees at photovoltaic panels of the new one-megawatt power plant next Chernobyl's New Safe Confinement covering the 4th block (reactor 4) of Chernobyl Nuclear power plant, in Chernobyl, Ukraine June 1, 2019. Sergei Supinsky/Pool Via REUTERS 

Solar photovoltaic array is seen at a solar power field of the company Celsia, in Yumbo, Colombia, February 6, 2019. Picture taken February 6, 2019. REUTERS/Julia Symmes Cobb 

Solar photovoltaic array is seen at a solar power field of the company Celsia, in Yumbo, Colombia, February 6, 2019. Picture taken February 6, 2019. REUTERS/Julia Symmes Cobb 

Solar photovoltaic array is seen at a solar power field of the company Celsia, in Yumbo, Colombia, February 6, 2019. Picture taken February 6, 2019. REUTERS/Julia Symmes Cobb 

Solar panels are seen on the roof of a public housing block in Singapore September 23, 2018. Picture taken September 23, 2018. REUTERS/Thomas White 

A windmill and solar panels stand next to a dam in a drought-effected paddock on farmer Scott Cooper's property named South Park located east of the town of Gunnedah, in New South Wales, Australia, July 21, 2018. REUTERS/David Gray SEARCH "AUSTRALIA DROUGHT" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

Solar panel components are seen at Veolia’s solar panel recycling plant in Rousset, France, June 25, 2018. At the plant, photovoltaic panels are dissembled and their constituent parts such as glass, aluminium, silicon and plastics are recycled. REUTERS/Jean-Paul Pelissier 

Solar panel components are seen at Veolia’s solar panel recycling plant in Rousset, France, June 25, 2018. At the plant, photovoltaic panels are dissembled and their constituent parts such as glass, aluminium, silicon and plastics are recycled. REUTERS/Jean-Paul Pelissier