The Economic Times

In 2018, California's Kaiser Permanente opened an 8,110-square-meter medical office with a 640-kilowatt solar array. 8 years later, it cuts energy use 40% while using no fossil fuels

Solar installation is another defining part of the project's sustainability strategy. WorldGBC reports a 640-kilowatt photovoltaic array installed in shade canopies over the adjacent parking lot.