Those individuals can qualify for a large grant method to retrofit reduced-money multi-household housing developments with solar power. "A" - General Engineering contractors are approved to set up solar energy systems. "B" - Standard Setting up contractors are approved to install solar energy systems throughout the definition of B&P Code https://www.americanarraysolar.com/how-solar-energy-source-has-been-a-boon-to-the-present-day-civilization/