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Select one of the numbered buttons to view a portion of the tour or take the grand tour. You will need Windows Media Player or QuickTime installed on your computer to view the tour. About the Hydroelectric Process For thousands of years, people have used the energy produced by moving water to perform tasks such as grinding grain ans sawing wood. The hydroelectric tour explores the history of hydropower, and also explains how hydropower plants take advantage of a naturally occurring, continuous process that involves the cycling of water through the environment, known as the hydrologic cycle, to convert the potential energy from flowing water into electrical energy. About the Virtual Plant Tour Start your tour by selecting any of the numbered icons to view specific operations and examine each phase at your own pace. Or simply select Grand Tour to view the tour start to finish. Enjoy your tour. If you need clarification of some of the terms used in the tour, see our Glossary of Terms. You must have either QuickTime or Windows Media Player installed on your computer to view the tour. If you do not have either of these, select a player, and you will automatically be redirected to the appropriate download site. For Your Home | For Your Business | Safety | Rates | Energy Efficiency | Economic Development | Environmental Efforts About Us | Careers | News Room | Storm Center | Wind Energy | Contact | Streetlight Repair Request | System Outage Watch | Energy Choice | For Contractors | For Landlords | ©2008 MidAmerican Energy Holdings Company. All rights reserved.