THE RENU DIFFERENCE Friendly & Experienced Local Staff We are a solar and roofing company changing homes in the areas we service. We install high quality and sustainable solar panels that will reduce your electric bill and increase your eco-friendly contributions. ReNu services locations across Pennsylvania, from Central Pennsylvania up to Mifflin, Juniata and Snyder counties. Our services extend to Berks County and into Maryland. We also service the areas around large cities like Philadelphia and Baltimore.