Group 1: Renewable Energy Stocks Overview - Quanta Services, WEC Energy Group, and Clearway Energy are highlighted as key renewable energy stocks to monitor, based on their high trading volume recently [2] - Renewable energy stocks represent companies focused on producing energy from renewable sources or providing related equipment and services, appealing to investors seeking exposure to the shift from fossil fuels [2] Group 2: Quanta Services (PWR) - Quanta Services, Inc. offers infrastructure solutions across various sectors including electric and gas utilities, renewable energy, and communications, operating in the U.S., Canada, Australia, and internationally [3] - The company’s Electric Power Infrastructure Solutions segment is involved in the design, construction, and maintenance of electric power transmission and distribution infrastructure, including smart grid technologies [3] Group 3: WEC Energy Group (WEC) - WEC Energy Group, Inc. provides regulated natural gas and electricity services, along with renewable energy services through its subsidiaries, operating in multiple states including Wisconsin and Illinois [4] Group 4: Clearway Energy (CWEN) - Clearway Energy, Inc. operates in the renewable energy sector in the U.S., with approximately 6,000 net MW of installed wind, solar, and energy generation projects, and around 2,500 net MW of natural gas-fired generation facilities [4]