6 Best Solar Companies in Massachusetts (2024) – MarketWatch

The cost of a solar power system in Massachusetts varies based on the size and complexity of the system, your installer and the equipment. Based on our research, the state’s price per watt is around $4.50, which means a 6 kW system would cost close to $27,000.

However, installation costs may vary depending on where you live. For example, Boston may have higher rates than Worcester, North Andover or Woburn.