I'm re-posting this from back in February now that CFE is installing these things in our area. Again the on commission installers seem to be telling people whatever lets them install these "pain in the asses". Pain because the installers lie about where you can pay, they say it's mandatory and they make it sound real cool. Some of my Mexican neighbors almost feel like they have the Internet now at no cost. First problem is people don't understand the system. Second problem is the CFE Office is a 40+ minute bus ride to Cihuatlan plus a long walk between buses.
Experience from the Chapala area
CFE's newest gimmick that some are calling a scam. Lots of news articles about technical difficulties with incorrect meter readings, over charging and the difficulty of dealing with the new system and CFE in general.
Once you get on this program you become responsible for reading your meter with the card, taking the card to CFE and putting it in their machine for a printed bill .... and then paying it "once a month". You are assigned a day of the month to read your meter and then probably have a few days to pay it. A whole new payment program. Problem with this is if you don't do it correctly and on time your electricity will be shut off. What if you go on vacation, what if you only live in Mexico part of the year, what if you have rentals, what if you are not able to visit the nearest CFE office or it is very difficult to do so. Supposedly prepayments won't be allowed so paying ahead for time you are gone may not be possible.
Really ridiculous for CFE to think they can replace human meter readers with the public and a magic card. Just remember this program is voluntary and you can decline even if they give the impression it's required. And if you got into this program without understanding it .... go to CFE and cancel now !!