An exterior view of Italian utility Enel's solar panel gigafactory is expected to produce bifacial photovoltaic modules in Catania, Italy, November 28, 2022. REUTERS/Antonio Parrinello 

A prototype of a bifacial photovoltaic module is seen inside Italian utility Enel's solar panel gigafactory in Catania, Italy, November 28, 2022. REUTERS/Antonio Parrinello 

A prototype of a bifacial photovoltaic module is seen inside Italian utility Enel's solar panel gigafactory in Catania, Italy, November 28, 2022. REUTERS/Antonio Parrinello 

A prototype of a bifacial photovoltaic module is seen inside Italian utility Enel's solar panel gigafactory in Catania, Italy, November 28, 2022. REUTERS/Antonio Parrinello 

A prototype of a bifacial photovoltaic module is seen inside Italian utility Enel's solar panel gigafactory in Catania, Italy, November 28, 2022. REUTERS/Antonio Parrinello 

A prototype of a bifacial photovoltaic module is seen inside Italian utility Enel's solar panel gigafactory in Catania, Italy, November 28, 2022. REUTERS/Antonio Parrinello 

An exterior view of Italian utility Enel's solar panel gigafactory is expected to produce bifacial photovoltaic modules in Catania, Italy, November 28, 2022. REUTERS/Antonio Parrinello 

An exterior view of Italian utility Enel's solar panel gigafactory is expected to produce bifacial photovoltaic modules in Catania, Italy, November 28, 2022. REUTERS/Antonio Parrinello 

Dr Stanford Chidziva, acting director of Green Hydrogen, looks at the solar panels at the site where Keren Energy constructed the first proof of concept of green hydrogen production facility in Africa at Namaqua Engineering in Vredendal, in collaboration with The Green Hydrogen Institute for Advanced Materials Chemistry (SAIAMC) at the University of the Western Cape, South Africa, November 15, 2022. REUTERS/Esa Alexander 

Dr Stanford Chidziva, acting director of Green Hydrogen, looks at the solar panels at the site where Keren Energy constructed the first proof of concept of green hydrogen production facility in Africa at Namaqua Engineering in Vredendal, in collaboration with The Green Hydrogen Institute for Advanced Materials Chemistry (SAIAMC) at the University of the Western Cape, South Africa, November 15, 2022. REUTERS/Esa Alexander 

Dr Stanford Chidziva, acting director of Green Hydrogen, looks at the solar panels at the site where Keren Energy constructed the first proof of concept of green hydrogen production facility in Africa at Namaqua Engineering in Vredendal, in collaboration with The Green Hydrogen Institute for Advanced Materials Chemistry (SAIAMC) at the University of the Western Cape, South Africa, November 15, 2022. REUTERS/Esa Alexander 

Dr Stanford Chidziva, acting director of Green Hydrogen, looks at the solar panels at the site where Keren Energy constructed the first proof of concept of green hydrogen production facility in Africa at Namaqua Engineering in Vredendal, in collaboration with The Green Hydrogen Institute for Advanced Materials Chemistry (SAIAMC) at the University of the Western Cape, South Africa, November 15, 2022. REUTERS/Esa Alexander 

Dr Stanford Chidziva, acting director of Green Hydrogen, looks at the solar panels at the site where Keren Energy constructed the first proof of concept of green hydrogen production facility in Africa at Namaqua Engineering in Vredendal, in collaboration with The Green Hydrogen Institute for Advanced Materials Chemistry (SAIAMC) at the University of the Western Cape, South Africa, November 15, 2022. REUTERS/Esa Alexander 

Dr Stanford Chidziva, acting director of Green Hydrogen, looks at the solar panels at the site where Keren Energy constructed the first proof of concept of green hydrogen production facility in Africa at Namaqua Engineering in Vredendal, in collaboration with The Green Hydrogen Institute for Advanced Materials Chemistry (SAIAMC) at the University of the Western Cape, South Africa, November 15, 2022. REUTERS/Esa Alexander 

Dr Stanford Chidziva, acting director of Green Hydrogen, looks at the solar panels at the site where Keren Energy constructed the first proof of concept of green hydrogen production facility in Africa at Namaqua Engineering in Vredendal, in collaboration with The Green Hydrogen Institute for Advanced Materials Chemistry (SAIAMC) at the University of the Western Cape, South Africa, November 15, 2022. REUTERS/Esa Alexander 

A view shows solar panels at the green hydrogen proof-of-concept site in Vredendal, Western Cape, South Africa, November 15, 2022. REUTERS/Esa Alexander 

Dr Stanford Chidziva, acting director of Green Hydrogen, looks at the solar panels at the site where Keren Energy constructed the first proof of concept of green hydrogen production facility in Africa at Namaqua Engineering in Vredendal, in collaboration with The Green Hydrogen Institute for Advanced Materials Chemistry (SAIAMC) at the University of the Western Cape, South Africa, November 15, 2022. REUTERS/Esa Alexander 

A visitor is seen at the new solar power plant of the South African arm of Heineken, the largest freestanding solar plant powering a brewery in South Africa, at the company's Sedibeng, Midvaal brewery in Johannesburg, South Africa, October 26, 2022. REUTERS/Siphiwe Sibeko 

A view shows solar panels installed near to mountains and that belong to a new project, ahead of November's COP27 climate summit, in Sharm El-Sheikh, Egypt, October 20, 2022. REUTERS/Sayed Sheasha 

Engineers walk next to solar panels installed near to mountains and that belong to a new project, ahead of November's COP27 climate summit, in Sharm El-Sheikh in Egypt, October 20, 2022. REUTERS/Sayed Sheasha 

Staff introduce their solar panel plans across Taiwan at the Energy Expo in Taipei, Taiwan, October 21, 2022. REUTERS/Ann Wang 

People look at a solar panel at the Energy Expo in Taipei, Taiwan, October 21, 2022. REUTERS/Ann Wang 

People walk past a solar panel at the Energy Expo in Taipei, Taiwan, October 21, 2022. REUTERS/Ann Wang 

Workers clean panels at a solar park in Modhera, India's first round-the-clock solar-powered village, in the western state of Gujarat, India, October 19, 2022. REUTERS/Sunil Kataria 

Solar panels are installed on the rooftops of residential houses in Modhera, India's first round-the-clock solar-powered village, in the western state of Gujarat, India, October 19, 2022. REUTERS/Sunil Kataria 

Solar Panels are seen at the Al Kharsaah solar plant project, in Al Kharsaah, Qatar October 18, 2022. REUTERS/Imad Creidi 

Solar Panels as seen in this picture taken from a window at the Al Kharsaah solar plant project, in Al Kharsaah, Qatar October 18, 2022. REUTERS/Imad Creidi 

Solar Panels are seen at the Al Kharsaah solar plant project, in Al Kharsaah, Qatar October 18, 2022. REUTERS/Imad Creidi 

Solar Panels are seen at the Al Kharsaah solar plant project, in Al Kharsaah, Qatar October 18, 2022. REUTERS/Imad Creidi 

Solar panels are seen at the Belgian site of stainless steel maker Aperam, which has been forced to slow production due to spiralling energy prices, in Genk, Belgium September 22, 2022. REUTERS/Yves Herman 

A person sprays water to the panels of a solar car, during the final stage of the 2022 Sasol Solar Challenge race, near Cape Town, South Africa, September 16, 2022. REUTERS/Esa Alexander 

A person riding a motorbike passes the Bogasari Flour Mills factory that is installed with solar panels in Bekasi, West Java province, Indonesia, September 15, 2022. REUTERS/Willy Kurniawan 

An engineer goes down a ladder after checking the electrical power from the solar panels that are installed on the roof of Bogasari Flour Mills factory in Bekasi, West Java province, Indonesia, September 15, 2022. REUTERS/Willy Kurniawan 

An engineer checks the electrical power from the solar panels that are installed on the roof of Bogasari Flour Mills factory in Bekasi, West Java province, Indonesia, September 15, 2022. REUTERS/Willy Kurniawan 

Solar panels are seen on the roof of Bogasari Flour Mills factory in Bekasi, West Java province, Indonesia, September 15, 2022. REUTERS/Willy Kurniawan 

A general view shows solar panels, which are a part of the solar power project at the Faihaa oil field in Basra, Iraq September 11, 2022. REUTERS/Essam al-Sudani 

Workers check solar panels, which are a part of the solar power project at the Faihaa oil field in Basra, Iraq September 11, 2022. REUTERS/Essam al-Sudani 

Workers check solar panels, which are a part of the solar power project at the Faihaa oil field in Basra, Iraq September 11, 2022. REUTERS/Essam al-Sudani 

A general view shows solar panels, which are a part of the solar power project at the Faihaa oil field in Basra, Iraq September 11, 2022.Picture taken with a drone. REUTERS/Essam al-Sudani 

A general view shows solar panels, which are a part of the solar power project at the Faihaa oil field in Basra, Iraq September 11, 2022.Picture taken with a drone. REUTERS/Essam al-Sudani 

Carlos Bautista, a renewable energy engineer at Mexican solar company Enlight shows areas of an installed solar panel project at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

A view shows areas of an installed solar panel project by Mexican solar company Enlight at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

Carlos Bautista, a renewable energy engineer at Mexican solar company Enlight shows areas of an installed solar panel project at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

A view shows areas of an installed solar panel project by Mexican solar company Enlight at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

A view shows areas of an installed solar panel project by Mexican solar company Enlight at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

Carlos Bautista, a renewable energy engineer at Mexican solar company Enlight shows areas of an installed solar panel project at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

A view shows areas of an installed solar panel project by Mexican solar company Enlight at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

A view shows areas of an installed solar panel project by Mexican solar company Enlight at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

A view shows areas of an installed solar panel project by Mexican solar company Enlight at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

A view shows areas of an installed solar panel project by Mexican solar company Enlight at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

A view shows areas of an installed solar panel project by Mexican solar company Enlight at a client's company in Mexico state, Mexico August 19, 2022. REUTERS/Henry Romero 

The campus for the University of California, Merced, features a canal system and a solar farm in Merced, California, U.S. August 17, 2022. REUTERS/Nathan Frandino 

A canal, over which solar panels will be installed this fall as part of Project Nexus, cuts through farmland in Hickman, California, U.S. August 17, 2022. REUTERS/Carlos Barria 

The campus for the University of California, Merced, features a canal system and a solar farm in Merced, California, U.S. August 17, 2022. REUTERS/Nathan Frandino 

Solar panels are set up in the solar farm at the University of California, Merced, in Merced, California, U.S. August 17, 2022. REUTERS/Nathan Frandino 

A man works to clean a canal, over which solar panels will be installed this fall as part of Project Nexus, in Hickman, California, U.S. August 17, 2022. REUTERS/Carlos Barria 

Josh Weimer, from Turlock Irrigation District, stands by an irrigation canal, over which solar panels will be installed this fall as part of Project Nexus, in Modesto, California, U.S. August 17, 2022. REUTERS/Carlos Barria 

An irrigation canal, over which solar panels will be installed this fall as part of Project Nexus, cuts through farmland, in Modesto, California, U.S. on August 17, 2022. REUTERS/Carlos Barria 

An irrigation canal, over which solar panels will be installed this fall as part of Project Nexus, cuts through farmland, in Modesto, California, U.S. August 17, 2022. REUTERS/Carlos Barria 

A heavy machinery is used to clean an irrigation canal, over which solar panels will be installed this fall as part of Project Nexus, in Hickman, California, U.S. on August 17, 2022. REUTERS/Carlos Barria