A method of providing an energy credit system is disclosed for providing redeemable energy or mass transit credits to consumers who contribute power to a shared electric power grid wherein the excess power generated by each consumer to the power grid is measured and energy credits are awarded to those consumers who contribute power to the power grid. Each consumer receiving energy credits is allowed to redeem those credits by acquiring fuel, power or mass transit tickets. In one embodiment of the invention, a separate energy brokerage house is provided which receives compensation from the operator of the power grid for power provided to the grid by the consumers and compensates the fuel or energy provider or mass transit system for the energy credits redeemed by each consumer. In a second embodiment, the operator of the power grid compensates the providers of fuel, energy or mass transit directly for the redeemed energy credits.