This is what I did. Power surge protector with battery back up. A bit expensive but then again so is the hobby itself. They have them at Staples. Takes like 6 D batteries. I hooked my tank up to it and have batteries to back up the batteries.
I'm in Westchester NY and were getting hammered also. I already had 2 power losses in 1 hour. Power is going out all over.
"When creating an aqua scape, strive for the beauty of imperfection, as its art and there is no wrong or right, it's left open for interpretation" James Findley