Since the introduction of photovoltaic cells in 1894, not much has changed in the technology. Refinements in efficiency, and boosts in battery technology have made it more realistic and less expensive than previously possible. However, what has really changed is the industrial infrastructure allowing us to purchase panels at a lower cost per watt than to buy it from the electric company. Now that’s incentive.
Infographic by SunRun – Home Solar Leasing Made Easy