Same problem here, I lost power over night and although it came on for a few hours this morning, it's out again. I was able to get the heat up a little during that brief bit with power.
I don't really know how long beardies can withstand cold temps but I'm assuming it isn't long.
It's about 66 degrees in her viv right now and I'll be going home in a little bit as my work is closing down early.
Read Diane's story here:
viewtopic.php?f=1&t=94769
If you're able, try to get some heat packs.. (CVS, Wal Mart, Target, etc..) as soon as possible.
I plan on using them to keep my baby warm until the power comes back on. I know she'll probably hate me, but I'm not going to feed her either since she's probably not going to be able to digest anything without normal heat.
Not sure about your area, I'm out North West of Worcester, but I've been hearing some grumblings that towns around the Worcester area could be without power until Tuesday!!!!
I'm doing as much research as I can before I leave work since I don't have power at home...