SDG&E customer Vulcan Materials was recently presented with a check for $260,000 from SDG&E’s Savings by Design program, representing energy efficiency incentives from building a sustainable high-performance asphalt production plant in Otay Mesa.
SDG&E worked with Vulcan and their design team to ensure that the building systems were highly efficient. Specific energy-efficient equipment installed at the facility includes high efficient variable frequency drives on the filter bag motors, and hot pipe insulation. A natural gas asphalt drum and dryer was also integrated, which produces a warm mix asphalt, produced at a cooler temperature as compared to traditional hot asphalt, hot oil burner economizer. These system upgrades will give Vulcan an annual energy savings of over 56,000 kWh and 252,000 therms, the equivalent of powering 160 homes per year, as well as energy cost savings of $300,000 a year.
Over the last two years, nearly 100 building projects have been awarded almost $10 million in incentives from SDG&E through Savings by Design, a utility-funded initiative that supports high-performance building design in new construction or renovations. Additionally, owners of these buildings have collectively earned an estimated $8.6 million in annual utility costs savings.
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