4.3.1 Geothermal ............................................................................................................................................................... 11 4.3.2 Solar ......................................................................................................................................................................... 12 4.3.3 Heat Pumps .............................................................................................................................................................. 13 4.3.4 LEED Certified Buildings ........................................................................................................................................... 13 4.3.5 Rink Water Treatment ............................................................................................................................................... 13 4.3.6 LED Lighting and Other Energy Efficiency Projects ................................................................................................... 14 4.3.7 Submetering .............................................................................................................................................................. 14 4.3.8 Strategic Initiatives .................................................................................................................................................... 15
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