Ann Arbor, Michigan, USA

Population

114,024

 

Initiative

Replace 500 existing cobra head fixtures with LED streetlight fixtures from Lumecon

 

Funding source

Department of Energy – Energy Efficiency and Conservation Block Grant

 

Funding received

$315,968

 

Project start date

Spring 2011

 

RFP 

Closing date January 31, 2011.

RFP available here.

Addendum #1 available here.

 

Previous Initiatives

 

 Initiative

Replace 250 existing 100 watt HPS streetlights with Type II LED streetlights

 

Funding sources

Department of Energy – Energy Efficiency and Conservation

Block Grant

 

Funding received

$218,712

 

Project start date

Anticipated Spring 2010

 

Invitation to Bid

Bids due May 3, 2010

ITB-4081 Invitation to Bid document

 

Previous Initiative

 

(1) Replace 1,100 decorative globe lights that previously

used 100W metal halide bulbs with 20W ballasts

in downtown Ann Arbor with 56W LED streetlights

within existing globes

(2) Evaluate cobrahead LED luminaires for use in residential

neighborhoods from a number of manufacturers including,

Holophane, IntenCity, Leotek, Lumecon and Millenia.

 

Funding

$630,000 grant from Ann Arbor

Downtown Development Authority

 

Lighting supplier

Lumecon/Relume

 

Replacement cost per light

$460 for fixture

$56 for labor

 

Projected payback period

3.8 years for decorative lighting (downtown)

 

City’s total electricity costs for street lighting (2008)

$1.5 million/year, ~25% of city’s annual energy budget

 

Projected electricity cost savings

$100,000 annually

 

Survey

Local residents polled in voluntary, neighborhood survey

 

Time frame

Pilot started in May 2007.

Full downtown retrofit started in December 2007.

 

Website

LED Lighting, City of Ann Arbor

 

Related resources

LED Cities presentation, Department of Energy workshop.

Project Summary, AA Downtown Development Authority.

City of Ann Arbor press release.

Lumecon/Relume case study.