Solar Parks IMPA has developed 20 solar parks throughout the state of Indiana ranging in size from 0.25 MW to 8 MW. Several of the parks feature single axis tracking systems, allowing the panels to move and track the sun throughout the day, while other parks rely on fixed tilt panels. A map of our current solar parks and those under construction is pictured. So, how exactly do IMPA's solar parks generate electricity? Have more questions about IMPA's solar parks? Download our FAQ page. How much solar power is being generated by the solar parks?