Impact On Installation: How Do Local Regulations Affect Solar?

Solar Permitting and Zoning Laws by State

Local regulations play a crucial role in determining the feasibility of solar installations in each state. In California, for instance, the state has adopted the California Energy Commission’s Building Energy Efficiency Standards, which require all new residential buildings to have solar panels installed. On the other hand, some states like Nevada have relaxed their regulations, allowing homeowners to install solar panels without permits. Homeowners should check with their local authorities to determine the specific regulations and requirements for their area.

Net Metering and Interconnection Requirements

Net metering and interconnection requirements can vary significantly from state to state. In states like Arizona, the Public Service Company of Arizona (APS) requires a 30-day notice period to connect a solar panel system to the grid. In contrast, utilities in states like Hawaii have a streamlined process for interconnection, with some utilities allowing for same-day connections. Homeowners should research the specific net metering and interconnection requirements for their utility company and state.

Solar Sun Hours by State

Solar sun hours, which measure the amount of sunlight a location receives on a typical day, can also impact the feasibility of solar installations. According to the National Renewable Energy Laboratory (NREL), the top 5 states for solar sun hours are Arizona (6.93 hours), California (6.69 hours), Texas (6.61 hours), Nevada (6.55 hours), and New Mexico (6.46 hours). Homeowners in these states can expect to generate more electricity from their solar panels than those in states with lower solar sun hours, such as Oregon (3.56 hours) and Washington (3.54 hours). Homeowners should consider the solar sun hours for their location when determining the feasibility of a solar installation.