There is a sign on the road out of Las Conchas with crappy graphics but appears to be an ad for Solar panels. I'll try to remember to get the phone number if there is one, after the holiday madness. There also is, or at least was, a store/office on the side street at Combo Tacos on Fremont. You can also check with Fernando Curiel, contractor, who is very knowledgeable about what is available. 638 107 4958 Good luck.
This guy used too be in Cholla Bay. Not sure if he is still around sonorasolar@prodigy.net.mx
Phone 638-100-9698 or Fax 638-382-5009 Gary & Griselda Koehler