Hydrogen Fuel Cells for Backup Power Home › Forums › HFuel Forums › Hydrogen Power Generation and Heating › Hydrogen Fuel Cells for Backup Power This forum has 1 topic, 1 reply, and was last updated 4 months, 1 week ago by HFuel Mod. Viewing topic 1 (of 1 total) Is hydrogen backup power cost-effective for small businesses? by Cory last updated 4 months, 1 week ago 1 Replies Viewing topic 1 (of 1 total) You must be logged in to create new topics. Log In Username: Password: Keep me signed in Log In