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4 | Energy Systems Group
Colleges & Universities |
Chartered in 1895, Northern Illinois University (NIU) is a comprehensive teaching
and research institution with a student enrollment of more than 20,000.
Energy Systems Group partnered with NIU to develop a number of successful
comprehensive energy efficiency and infrastructure improvement projects. By
implementing these projects with ESG, the University has avoided over $39 Million
in capital expenditures and will realize over $50 Million in energy savings.
Strategies & Solutions
In addition to the capital avoidance and operational savings, the energy
conservation projects had and will continue to have a positive impact on the
environment. The various campus-wide improvement projects included the
installation of a central chilled water plant, energy-efficient HVAC systems, building
controls, new windows and doors, over 80,000 energy-efficient light fixtures
throughout 56 buildings, occupancy sensors, and solar panels for pool heating.
Environmental Benefits
Since 2000, Energy Systems Group has developed energy conservation measures
and energy infrastructure improvements across the Northern Illinois University
(NIU) campus, thereby reducing NIU’s carbon footprint by more than 425,525
metric tons of carbon dioxide, which is equivalent to any of the following:
• Removal of greenhouse emissions from 73,691 passenger vehicles, or
• Planting 103,167 acres of pine trees
Project Phases
• Phase I - Lighting Retrofit (18 buildings) | Phase II - Lighting Redesign and Retrofit
Program (40 buildings and over 40,000 lighting fixtures)
• Phase III - Convocation Center HVAC equipment | Phase IV – West Chiller Plant
• Phase V – Two-Way Control Valve Installation (Four Residence Halls)
• Phase VI – Window / Door Replacement and Mechanical & Control System Retrofits
(Five Residence Halls)
• Phase VII – Window Replacement and Solar Panels for Swimming Pools, Main Heating
Plant Boiler and Miscellaneous HVAC Upgrades (11 Buildings)
• Phase VIII – Lighting, Occupancy Sensors, HVAC, Windows/Doors, Heating Plant,
Control System Upgrades and Piping Insulation (Campuswide)
• Phase IX – Window Replacement, Lighting, Occupancy Sensors, Air & Dirt Elimination
System, Structural Repairs, Brine System Piping, Building Automation Systems and
Plumbing Fixtures (Campuswide)
• Phase X – Steam Traps, Lighting, HVAC, Windows/Doors, ChilledWater Systems
and Coils, Roofing (Swen Parson, Anderson and Lowden Halls), Deaerator (East
Heating Plant)
• Phase XI – Roof Replacement, Building Automation System Upgrades, HVAC, Chilled
Water Systems & Coils, Street and Parking Lot Lighting Upgrades
Annual Energy Savings
Over $2.8 Million
Northern Illinois University
DeKalb, Illinois