MidAmerican Energy Holdings Company is a company that produces energy from various fuel sources, including geothermal, natural gas, hydroelectric, nuclear, coal and wind. It supplies and distributes energy in the consumer markets of the United States and the United Kingdom and has more than 5 million electricity and gas customers. Its subsidiaries include MidAmerican Energy Company, PacifiCorp, CE Electric UK, CalEnergy Generation, Kern River Gas Transmission Company and Northern Natural Gas. The company s subsidiaries own and operate geothermal energy plants in California and the Philippines that have a producing capacity of over 700 megawatts of electricity from naturally occurring geothermal heat. With nearly $4 billion in assets, it is comprised of nearly 16,800 employees. The company has received an award from the Royal Society for the Prevention of Accidents, Platinum Award of Honor with Distinction and Association of Washington Business Better Workplace Award.