Verengo Inc., one of the nation’s leading residential solar specialists, today announced it has reached the 75 MW (megawatt) milestone with its 13,000th residential rooftop installation. Verengo, honored last month by Inc. magazine on their 500|5000 List as one of the fastest-growing private companies in the U.S., also announced an expansion plan focusing on key strategic markets on the east and west coasts.