Replacement of Glenrock Joint Venture 4ft linear tubes within parking garage
BUILDING DESCRIPTION
Glenrock Joint Venture is a commercial office space located in Rockville, Maryland. The project was a lighting retrofit covering both the parking garage within the facility and the exterior parking lot. Existing fixtures were fluorescent T8’s in the parking garage and metal halides in the parking lot. All were retrofitted with corresponding LED replacements; 18 watt LED T8’s in place of the fluorscent 32 watt T8’s, and walllpacks or pole-mounted fixtures were installed for the metal halides.
Square Footage: 30,000
Typical Garage Fixture: Fluorescent T8 Tubes
Typical Exterior Lot Lighting: Metal Halide Flood lights
Measure Installation
| Garage & Parking Lot | kWh | Annual Cost |
|---|---|---|
| Before | 814,314 | $101,789.29 |
| After | 370,399 | $46,299.83 |
| Annual Saving: | 54% |
|---|---|
| Payback Period: | 4 Months |
| Savings After 2 YearS: | $93,803.92 |
| Savings After 5 Years: | $149,293.37 |
| Savings After 10 Years: | $260,272.29 |
