Installing your own solar panels is legal throughout the United States, but “legal” and “simple” are not the same thing. A key statute, Real Property Law 335-b, prohibits unreasonable restrictions on solar panel installations, ensuring private agreements or local ordinances do not unduly limit solar access. Most jurisdictions require. Before installing a solar hot-water or a solar electric-generating system, also known as photovoltaics, you must hire a Professional Engineer or Registered Architect to be sure your building's structural system can maintain the weight of the equipment. Permits are required for the installation of. Before you start planning your solar installation, here are some essential NYC laws every building owner needs to know: Local Laws 92 & 94: Since 2019, all new buildings and those replacing their roofs must install solar panels or a green roof system, regardless of building size. Get connected with trusted local installers familiar with your community's needs.