Solar Panels

Cave of the Mounds, located west of Madison in Blue Mounds, Wisconsin, unveils new solar panels. After more than a year of planning, this dream has become a reality. The new installment will reduce Cave of the Mounds’ carbon footprint by more than 50%. Visitors will be able to see the impact of the solar panels on a display in the Cave Entrance Building.

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Carbon Footprint Reduction:

Over the lifetime of the two arrays, the system will offset 1330.68 tons of CO2. This is equivalent to:

  • Driving reduced by 146,374.45 gallons of gas.
  • Recycling 4,657.37 tons of waste instead of land-filled.
  • 149,983,906 smartphones charged.
  • 1,397,210.62 less pounds (698.6 tons) of coal burned.
  • Planting 33,433 trees.

System Quick Facts:

During the first yar of operation, each 28.21 kW DC system will produce a combined 70,213 kWh of electricity.

  • Installed in 2023. One array supplies 76.7% of annual electricity for the Visitor Center. The other array supplies 49.5% of annual electricity for the Cave Entrance Building.
  • Combined project first-year electric bill savings of $8,379.
  • Combined estimated 25-year electric bill savings of $316,075.
  • 124 Znshine 455-watt modules / 4 Fronius Primo inverters.


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