Solar in Oklahoma has to live with hail and a wind that treats a roof like a sail. The sky is often wide open, especially once you leave the older tree canopy, and that open sky is both the point and the risk. A low-pitch ranch gives you a big plane and very little help shedding stones or standing up to uplift. None of that matters if the covering is already bruised, curled, or patched with hope.
Call with the town, what the south and west slopes look like from the yard, and whether hail has already had a turn at this roof. Bald granules, dented vents, a ridge that looks tired: say so before anyone discusses modules. If the attic has stains, the roof conversation happens first. An array on a deck that is already losing the weather only makes the leak harder to find.
Ask, on this call, how the attachments are supposed to handle wind and how a later reroof happens with equipment in the way. Who returns if a penetration leaks after a south wind drives rain under the flashing. You are not picking rack hardware on the phone. You are refusing to pretend the plains will become gentle after the install crew leaves the driveway.
The electrical service is the other gate. Garage panels on ranch houses are a common Oklahoma layout, and many of them are already full. Say where the panel sits and whether it looks packed, without inventing a capacity you did not read. Say whether you would own the equipment. Leave wire routes and the utility paperwork to the visit, but know that permission to operate is a real step, not a courtesy.
Wide Oklahoma sky does not cancel hail, and it does not seal a bad flashing detail. Look at the open slopes, know the roof history you actually remember, and call before a drawing made from above talks you past the bruises. Call the number on this page.