At Whiteface Mountain, we are fortunate to ski and ride surrounded by fresh air, countless bodies of crystal clear water, preserved forest and 45 High Peaks that create unparalleled scenery and breathtaking views. We recognize this is much of what makes Whiteface Mountain so special. Our team strives to create an exceptional experience while also considering ways to protect and preserve our environment for future generations. In recent years, ski resorts have worked to reduce the environmental mark of our industry as a whole. Our goal is to not only meet conservation standards but to lead the way in minimizing our ecological impact with key initiatives.
Over the last three years, we have installed more than 200 low energy, high efficiency snow guns. These guns make significantly more snow in less time, ultimately enhancing the snowmaking season with an abundance of snow, while reducing our carbon footprint. Additionally, our snow cats now run on state-of the-art tier diesel engines and we have eliminated full time use of our diesel compressor for snowmaking.
This past ski season, we powered operations at Whiteface Mountain with 100% renewable energy and are contracted to continue using 100% renewable energy over the next four years. Currently, we are installing a 2.6 megawatt solar plant which will further our mission of utilizing renewable energy and sustainability long into the future. Solar power is extremely valuable in energy conservation for ski lift and snowmaking operations. We use 15 million kilowatts annually so by switching to 100% renewable energy, we are preventing over 43 million pounds of carbon emissions.
Our efforts extend beyond the slopes as we now use propane as our main heat source, while also using infrared heaters in many locations. Lastly, we implemented Zero Sort recycling in all Whiteface Mountain lodges and installed energy efficient LED lighting.
Whiteface Mountain is committed to protecting and preserving our natural resources and exemplifying how conservation and recreation can coexist. Innovation is key and we will continue to improve and modernize our facilities with sustainability as a leading priority.