Lessons Learned Street Lighting in the City of Westminster Ben Goldstein Management Analyst City of Westminster, Colorado
Lessons Learned Street Lighting in the City of Westminster
Ben Goldstein Management Analyst City of Westminster, Colorado
Westminster, Colorado
Residents (population)
Average Household Income
Households
Median Age
Size of city in square miles
Square miles of green space
Seasons (Spring, Summer, Fall, Winter)
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 2
107,967
$68,206
43,996
35.4
33.7
11.1
4
What Drove the Conversion of Streetlights?
• Economic factors
• Staff driven
• City Council supported
• Collaborative
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 3
Goals for Street Lighting Conversion
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 4
• Save money
• Currently spending $2.5 million annually on 8,000 street lights
• Save energy
• Committed to reducing our carbon footprint
• Reduce maintenance
• Take advantage of the extended life of LEDs
What Challenges Will Your City Face?
Key challenges in Westminster:
• Existing infrastructure
• 8,000 approximate lights citywide
• 28 different lighting and pole types
• Third-party Utility
• 3 different owners (2 utilities and Westminster)
• No energy efficient option provided by the
utilities for street lighting
• No existing rate structure for street lights
• Lack of available staff time to evaluate and implement
• Extreme temperatures
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 5
Ashley Morgan Photography
A Phased Approach to Efficient Street Lighting
All lights
City owned lights
New lights
Demonstration location • Started with small steps
• We installed 4 LED streetlight demonstration sites
• Based on results from demo sites:
• Installed LEDs for all new streetlights
• Planning to install LEDs on streetlights owned by the city
• Hoping to replace existing lights with LEDs
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 6
Our LED Projects
• Lighting Demonstrations Sites
• Site 1 – Residential
• Site 2 – Decretive arterial
• Site 3 – Traditional arterial
• Site 4 – Parking lot
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 7
Seeing is Believing
Color Board Test (HPS) Color Board Test (LED)
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 8
The Data
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 9
Our LED Projects
• New lights (US-36 Highway)
• New lights citywide
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 10
Evaluating the Return On Your Investment
• What is your motivation
• ROI can vary
• Replacing other infrastructure
• Non numeric factors
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 11
Evaluating the Return On Your Investment
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 12
Evaluating the Return On Your Investment
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 13
General Lessons Learned
• Own your streetlights
• Use Interdepartmental teams
• Technology is always improving
• Take advantage of industry resources
• Collaborate, communicate, and convert
Green Cities: Energy Efficient Street Lighting Conference – Helsinki, Finland 14
Colorful sunrise credit Fred Girk
What Questions May I Answer?
Ben Goldstein
Management Analyst
City of Westminster, Colorado