City of Poughkeepsie

LED Street Lighting Project

Attributes Evaluated For Each Manufacturer.

Cost

L70/L90 or lumen deprecation (how fast the light loses its ability to produce light)

Warranty

Efficiency and Versatility of light and ability to distribute light.

Ease of Install and operation

Color Temperature and CRI (The lights ability to produce aesthetic light while maintaining efficiency and the ability to recognize colors under the light)

Availability of parts for lights

Dark sky compliant (no light directed at the sky.

Wind resistance of new fixture and ability to remain on existing pole

Weight of new equipment

Fixture Style - Look of each light. (Does the light need to match existing, public input, etc.)

Click icon to add picture

Run Energy Analysis based on billing and

assumptions

Survey of Street Lights

(see map)

Perform before and after analysis of lighting levels

Compare proposed lighting simulation to

before (correct deficiencies in light levels)

Share results with the City

City to review •Take input from police department

•Take input from Public

Perform simulation based on input from city and decorative fixtures selected.

Perform final energy savings

and cost analysis

Construction to begin

Current Status

Phasing of Project

Phase 1

• To include all of the dark gray areas

• Cobraheads and traffic lights will commence first.

• Decorative lights located in downtown and in neighbor hoods will be piloted first.

Phasing of Project

Phase 2

• The remaining Cobraheads on the utility poles will be retrofitted.

Decorative Light Comparison

City of Poughkeepsie LED project

Goals of the city

Cost Effective Initial Cost Vs. Lifetime Cost

Mitigate FERC Rate Increases To The Hudson Valley

Efficiency

Streamline Fleet Of Lights

Minimize Number Of Different Lights

GIS Integration

Maintenance

Increase Life From LED

Pick Options That Have The Least Maintenance.

Safety Increased Light

Better Quality Light

Reduce Glare

Can Meet Or Exceed Current Light Output

Existing Decorative Lights

High Hat Post top -Lantern

Decorative Lights – Without Glass

Philips -Metroscape

Detas -Quincy

Decorative Lights –With Glass Philips - City Post

Spring City Central Park

Decorative Light Comparison

Manufacturer Model Cost Color

Temp

Lumens/ Watt

(Efficiency)

DLC Listed (Neede

d for NYSER

DA Rebate)

Glass Sheild

Rated Lifetime (hours)

Up light

Detas Quincy $ 4000K 85 NoOptional*

* 90,000+ 0%

PhilipsMetroscap

e $ 4000K * 86.5 Yes No 100,000 + 0%

Philips City Post $ 4000K * 68.4 Yes Yes 90,000 + 3%

Spring City Central Park $$$ 3000K 32 ??? Yes 50,000 3%

* Can be built in 3000K** All other inputs are not valid when the glass is added*** All Lights are dimmable with Control System.

Results of Public Poling

Fixtures with out vertical glass shields were voted down.

Glass shields with frosted or ribbed glass were voted in.

A majority of citizens approve of the city post by Philips as a suitable retrofit.

Wendel will move forward with piloting this fixture in different color temperatures.