With all the convenience of a mobile app, access your East River Energy account from the comfort of your mobile device! It's never been easier to Make Payments, Order Fuel, View your Account, And much More! As the largest fuel supplier to CT Since 1984, East River Energy provides our customers with quality heating oil and propane. We take pride in reliability, consistency and premium service for each and every customer in CT. Our goal is to keep you safe and warm in your home or business!