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Overall Total Cost

Total Payback Period

Total Savings

Payback Period

Variation of Maintenance

Thank You

Recommendations

Overall Total Cost

Total Payback Period

Total Savings

  • Lauren Sinatra
  • Larry Kester
  • Dave Fredericks
  • Jason Bridges
  • ReMain Nantucket
  • Dr. Sarah Oktay
  • Nantucket Town Association
  • Dr. Michael West
  • Maria Mitchell Association
  • Harvey Young

Additional Information

Objective 4: Economic Analysis

Evaluating LED Street Lighting

Objective 3: LED Public Surveys

Survey Responses

  • 63% Full-Time Residents
  • 40% Amount of Lighting Inadequate
  • 66% Additional Resources Allocated

By: Kristen Hunt, Emily Potter, Huyen Vu, James Waldo

Sponsored By:

Lauren Sinatra, Town of Nantucket Energy Office

Larry Kester, Nantucket Facility Manager

Objective 2: Interactive Map

Benefits of LEDs

Why?

Project Objectives

Inventory Findings

Objective 3:

Objective 2:

Create an Interactive Map

Evaluate Opinions on the Pilot LEDs

Objective 1:

Objective 4:

Analyze Overall Economics

Develop an Inventory Database

Goal

Assist the Town with Maintenance Plan and Assess Economic and Social Feasibility an LED Conversion

Objective 1: Inventory Database

  • Energy ($8,720)
  • Facility ($4,247)
  • Maintenance (X)

28

97

2,400 K

1,900 K

Amerlux 2400 K Color Temperature

LED Characteristics

Adequate Lighting?

Ranking Reasons for LEDs

Retrofit Costs

Is LED Appropriate?

Payback Period

$230

$525/$575

$379

Cost per Retrofit Kit

Annual Tariff Rates Comparison

S-5 (LED)

S-3 Option B (Current)

  • Energy ($8,720)
  • Facility ($4,247)
  • Maintenance (X)

$45,758

$107,475

Total Retrofit Cost

$75,421

Amerlux

2400 K

Amerlux

LED Conversions

PennGlobe

Payback Period (Years)

Projected Maintenance Cost

LED Conversions

PennGlobe

Amerlux

$17,700

50%

3

2

4

100%

$35,437

4

9

7

$618

$270

$469

Total Cost per Retrofit

Location

QUESTIONS?

No Issue Present

Issue Has Been Reported

Issue is Being Addressed

Removed From Inventory

http://www.nantucket-ma.gov/580/Decorative-Streetlamps

  • 2400 K Retrofit Kit Supplied By Amerlux

$21,890

$32,835

$25,000

Installation Cost

$10,004

70 W & 100 W

  • Lack of Inventory and Maintenance Records
  • Difficult to Report Issues
  • Large Maintenance Cost

LED Conversion Recommendation

Maintenance Recommendation

Database Recommendation

  • LED Implementation

  • Appoint Town Streetlamp Administrator
  • Update Streetlamp Databases

  • Create Scheduled Maintenance Plan
  • Improve Adequacy of Street Lighting
  • Determine Specific Streetlamp Design

$75

Incentive per Retrofit

Annual Energy Saving

$8,720

$5,475

$1,000

Shipping Cost

---

Survey Responses

  • 74% LEDs Appropriate for Downtown Nantucket
  • 75% Preferred LED Brightness
  • 63% Preferred LED Color
  • Top Reasons to Support Conversion:
  • Uniformity Between Streetlamps
  • Reduced Light Pollution
  • Reduced Maintenance Costs
  • Use 1/3 of Energy Compared to HPS
  • Long Lifespan
  • Low Operating Temperature
  • Directional Light

Sources:

Modified from 'http://www.seesmartled.com/pdf/kb/AN002_How%20to%20Choose%20the%20Right%20LED%20Lighting%20Product%20Color%20Temperature.pdf'

Modified from 'http://pixabay.com/en/letter-mail-mailing-email-mailbox-147563/'

http://pixabay.com/en/calendar-monthly-office-schedule-23684/

http://pixabay.com/en/magnifying-glass-optical-lupe-30394/

http://commons.wikimedia.org/wiki/File:Stickman.gif

4000 K

Daytime Picture

PennGlobe

Amerlux

LED Conversions

$53,723

$93,331

$123,025

Overall Total Cost

Annual Energy Saving

$8,720

Philadelphia

Boulevard

PennGlobe

4000 K

PennGlobe

3000 K

Issue Has Been Reported

No Issues At Present

Functional

Location

Issue is Being Addressed

Status

LED Conversions

2700 K

1900 K

Payback Period (Years)

11

14

6

Amerlux

LED Conversions

PennGlobe

$1,285

<50 W

Ability to Share

Online Survey

In-Person Survey

QR Code Survey

90% Support an LED Conversion

  • 194 Streetlamps Total
  • 6 Streetlamps Missing Fixtures
  • 19 Remained Dark
  • 2 Always On
  • 2 With Cycling Issue

$53,723

$93,331

$123,025

Overall Total Cost

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