It requires an upfront investment, but if you can fully claim the federal tax credit (and state incentives!) it can be quite lucrative to purchase yourself. There are some great benefits to purchasing a solar system on your own. You immediately remove your monthly electric bill, and have energy security.
Ownership means more responsibility, but it means you’re free to make any changes that you see fit. In some situations, purchasing the system may be the only option, as financing or leasing the system will have program requirements.