August 2004


How big a battery is required to supply one million watts for eight hours (or 8 million watts for 1 hour)? The use of a Vanadium Redox Battery system allows this to be done in a reasonable space. According to information supplied by VRB Power Systems, Vancouver BC, liquid storage of 400,000 liters of electrolyte is required. Then an additional 10 to 15% area of space is required to hold the battery cell stacks and…