CONTACT US CLIENT LOGIN OUR APPROACH PRODUCTS CUSTOMER SERVICE COMPANY INFORMATION COMPANY INFORMATION MARKET INSIGHTS & NEWS WEBINARS CAREERS OFFICE LOCATIONS CONTACT US CONTACT US Let our team of experts at Calpine Energy Solutions answer your questions and provide you with all the energy information you need to make informed business decisions. GET MORE INFORMATION TELEPHONE Call our toll-free number at any time: +1 877-273-6772 Option 1 is for Billing or Customer Service inquiries. Option 2 is for Product and Sales inquiries. FAX Fax number for customer service: +1 619-684-8360 EMAIL Send an e-mail to customerservice@calpinesolutions.com. ENERGY EMERGENCIES If you're having a natural gas or electrical emergency, please contact your local utility at once. If you need to schedule an energy outage, please also contact your local utility. Your local utility is responsible for the transmission and distribution of the energy we supply to you. If you have trouble contacting your local utility, call our 24-hour number for help: +1 888-896-8640 © 2021 Calpine. All Rights Reserved. Contact Us Office Locations Terms & Conditions