NOVELTY - The system has electrical source and chlor-alkali processing apparatus (106). The chlorine gas and hydrogen gas are separated from saltwater through electrolysis driven by electrical source. The chlorine gas and hydrogen gas created by chlor-alkali processing apparatus are combined to create electricity and hydrochloric acid. The sodium hydroxide solution created by processing apparatus is combined with biomass and water to create methane. The hydrogen gas created by apparatus is stored in hydrogen container and chlorine gas created by apparatus is stored in chlorine container.    USE - System for storing energy supplied from intermittent power sources and off-peak power sources.    ADVANTAGE - The system combines several different types of energy storage processes and energy storage processing apparatuses into unified system that is highly efficient. The storage system can generate byproducts that uses outside of the electrical storage process. The energy can be stored in large amounts in stable and relatively safe chemical form. The recoup energy and/or costs expended for initial production of acid and base, and water heating with the production of methane, fatty acids, sugars, ethanol, butanol, fertilizer, desalinated water, and energy.    DETAILED DESCRIPTION - The hydrochloric acid created in the fuel cell processing apparatus is added to a biomass to create a solution comprising water, hydrochloric acid, and sugar. The solution created by the hydrolysis bio-reactor processing apparatus is combined with the sodium hydroxide created by the chlor-alkali processing apparatus to create chlorine gas and hydrogen gas. An INDEPENDENT CLAIM is included for method for using system for storing energy.    DESCRIPTION OF DRAWING(S) - The drawing shows a block diagram of the system for storing energy.    Chlor-alkali processing apparatus (106)    Storage processing apparatus (108,109)    Fuel cell processing apparatus (110)    Strong acid storage processing apparatus (112)    Hydrolysis bio-reactor processing apparatus (114)