Lets Talk Energy Savings

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Lets Talk Energy Savings

• City of Stamford
• Mayor Dannel Malloy and Nancy Domiziano
• November 18, 2004

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City of Stamford Energy Management Overview

• Nancy Domiziano
• Engineering Bureau

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Getting Started

• Rebuild America Grant for Energy Engineer in
  1998
• Municipal linkage with city schools and
  community facilities
• Documentation of progress every 6 months
• Capital Account for Energy Conservation

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Energy Accounting

• Organized utility bills, documented building sq
  ft
• Obtained 18 month histories from CLP, Yankee Gas
• Excel spreadsheets created - 80 city buildings,
  18 schools
• Identified high priorities by cost per square foot

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Terry Connors Ice Rink

• New HVAC system with heat recovery
• High efficiency motors
• Infra-red ice temperature sensing system
• Jet-ice demineralization system
• T-5 biax lighting
• Over 50,000 annual energy savings

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Stamford Government Center

• Energy Management System with Direct Digital
  Controls
• Occupancy Sensors through CLP municipal
  buildings program
• Hundreds of compact fluorescent lights
• Variable Frequency Drives 25 total
• Over 150,000 annual energy savings

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CLP Municipal Buildings Program (100 from
1999-2003)

• Yerwood Community Center, CTE Community Center
• Cloonan, Springdale, Stillmeadow Schools
• Smith House, Ferguson Library, Police HDQ, Fire
  Departments

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CLP Energy Efficient Custom Design Program

• Hart, Westover, Scofield, Stamford High,
  Agriscience
• In progress Academy of Information Technology
  and Engineering, and 9th grade center at Stamford
  High

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Decorative Streetscape Lighting

• Conversion of metal halide to induction lighting
  60 energy savings
• Change from twin dropped globe style to more
  traditional post top
• Three year phase-in, over 160 fixtures

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Totals through 2003/2004 Fiscal Year

• Municipal Grants and Rebate Funds Total from
  CLP 1,143,000
• Annual Energy Savings 3,600,000 kwh
• Annual Electric Cost Savings 342,000

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Performance Contract for Schools (16 month
construction, completed Dec/2003)

• 6.1 million contract with Noresco for entire
  school system
• Conversion of last all-electric school to gas
• Two new boiler plants (Cloonan and Newfield)
• Centralized energy management system
• Lighting at 11 schools
• Variable frequency drives, high efficiency motors
• Pneumatic control system repairs
• Annual Energy Cost Savings 721, 240

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 Cities for Climate Protection - Local Action
Plan

• Goal 20 greenhouse gas emissions reduction by
  2018

• Renewable Energy solar and WPCA project
• LED signals and street lighting
• Hybrid Vehicles (identified 20 fleet vehicles)
• Green Buildings policies
• SACIA/Fairfield County Energy Conservation
  Project retrocommissioning
• Smart Growth Development
• Bicycle/pedestrian trail network
• Stamford Urban Transitway
• 10 Residential Challenge