What is the phone number for first energy customer service? First Energy Customer Support Service Phone Number. The customer support phone number of First Energy is + 1-888-544-4877, +1 800-633-4766 (Click phone number to call).What is the phone number for first energy? First Energy Customer Service Phone Number. The Customer Service Phone Number of First Energy is: + 1-888-544-4877, +1 800-633-4766. FirstEnergy is a public electric utility that provides a vast array of Energy services from electricity generation, distribution, transmission, energy management and other energy related services.Is penelec the same as first energy? Penelec (formerly the Pennsylvania Electric Company) is part of the First Energy company, which as a whole services 6 million customers. Penelec became part of First Energy in 2001 when First Energy merged with GPU, Inc, who owned Penelec at the time.What is the transfer of energy through contact? Conduction is the transfer of thermal energy through direct contact between particles of a substance, without moving the particles to a new location. Usually occurs in solids. When heat is supplied to one end, molecules at that end start to move more quickly. In the process, they bump into their neighbours, transferring the kinetic energy.