The cabins and the lodge have standard electrical outlets where you can charge your camera batteries, laptop computer, etc.. (katmaiconservancy.org)
Standard electrical outlets don't have any protection against power surges and spikes. (howtogeek.com)
The end result is a device that generates a max voltage of 3000 volts — enough to power 25 standard electrical outlets, or on a grander scale, smart - tinted windows or a liquid crystal display (LCD) monitor. (sciencedaily.com)