Barker Outdoor Downlights

Project
Connected photocell to several outdoor lights, which were previously on 24/7. This will reduce the number of hours these lights are on during the day.

Energy Savings
1226 kWh per year

Financial Impact
$125 per year

Carbon Dioxide Savings
315 kg CO2 per year

Cost
About $120, for a 1-year payback

Boalt Hall Lobby Lighting Timer

Project
Lighting timer installed in Boalt 2nd floor lobby to reduce lighting hours

Energy Savings
2,170 kilowatt-hours

Financial Impact
$217

Cost
$1,200 for a 5-year payback

Boalt Hall Corridor Lighting Retrofit

Project
Changed ballasts and fluorescent light bulbs to more efficient models, installed photocells to make use of natural light, reduced lighting levels to improve comfort.

Energy Savings
17,153 kWh per year

Financial Impact
About $1,715 per year

Cost
$4,000 for a payback time of 2.6 years.

Business & Econ. Library Lighting Curtailment

Project
Changed the schedule of the Haas Business & Economics Library in order to more closely match the hours of public use.

Energy Savings
10,670 kWh per year

Financial Impact
About $1,067 per year

Cost
$0.00!

Thanks to the library, facility management, and physical plant-campus services staff for contributing time and enthusiasm to the project.

Barrows Hall Floors 1-7 De-Lamping

Project
Removed one of three fluorescent bulbs from selected corridor light fixtures on floors 1 through 7 of Barrows Hall. This completes an earlier de-lamping project in these corridors.

Energy Savings
16,320 kWh saved per year

Financial Impact
$1,632 per year

Costs
$3,450, for a payback of 2.1 years

Barrows Hall Basement Corridor De-Lamping

Project
39 4-lamp fluorescent fixtures; 2 lamps per fixture removed. Lighting levels remain well above the minimum 10 foot-candles required in this area. This is a 24-hr facility.

Energy Savings
Roughly 16,400 kWh per year

Financial Impact
$1,640 per year @ $0.10/kWh

Costs
$347 for labor, for a payback of 2.5 months

Thanks to our supervisors and colleagues at PP/CS for making this change and the calculations!