7 Modular and movable systems consisting of emergency power generators for providing electrical power; Emergency power generators; Gas-operated power generators; Internal combustion engines for power generation, other than for land vehicles; Mobile electric power generators; Portable electric power generators, namely, movable and modular electrical power systems comprised of energy storage units, alternate power supplies, and switch gears, that is in electrical communication with a customer load and an electrical utility to provide a rapid threshold amount of power to the customer load during transfer between the utility power supply and the alternate power supply; Microgrid systems comprised primarily of emergency power generators for monitoring power and providing rapid threshold amounts of power to customer loads