Annual Electricity Bill Savings $17,690.88 Annual Maintenance Savings $3,538.18 Total Annual System Savings $21,229.06 Return on Investment (payback period) 2.9 years
Annual kWh Savings 188,000 kWh or: - Greenhouse gas emissions from 25.5 passenger vehicles - 14,589 gallons of gasoline consumed - Electricity from 16.2 homes in one year - Total energy for 11.3 homes for one year - Greenhouse gas emissions avoided by recycling 45.3 tons of waste
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The energy consumption for this four-story structure has been rising since its construction in 2005. Housing 458 cars,the two sources of energy are lighting fixtures and electric heaters in the east stairwell. Each year the consumption has steadily and consistently risen. Annual consumption was 248,720 kW equal to providing electricity for21.4 homes.
Sansi’S Solution:
A one-for-one replacement of 210 watt metal halides with 40 watt Sansi LED Parkade fixtures. Top floor of parking structure - 465 watt metal halides replaced with 90 watt LED Area Lights. With an anticipation of a 75% energy reduction to an annual consumption of 60,000kWh or 5.2 homes.
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BEFORE: Parking garage at night |
AFTER: Parking garage at night |
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REPLACEMENT: 210 watt metal halide with 40 watt Sansi Parkade LED |
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BEFORE: Parking garage during the day |
AFTER: Parking garage during the day |
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REPLACEMENT: 210 watt metal halide with 40 watt Sansi Parkade LED |
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BEFORE: Top floor at night |
AFTER: Top floor at night |
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REPLACEMENT: 465 watt metal halide with 90 watt Sansi Area Lighter LED |