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Ongoing Commissioning of Economizers in a Data Center

A maintenance protocol/program to verify performance and make corrections to the air or water side economizers in a data center

TAG Technical Score: 3.28

Energy Savings: 10%

Regional Potential: 0.18 MWh/year

ID: 486

LED High-Bay with Wireless Control

High-bay LED fixtures with a wireless occupancy control system.

TAG Technical Score: 3.2

Energy Savings: 74%

Regional Potential: 2.37 MWh/year

ID: 279

High-Efficiency UPS Equipment for a Data Center

Installing new, more efficient UPS units as a direct replacement to reduce losses and save energy.

TAG Technical Score: 3.0

Energy Savings: 3%

ID: 488

Adaptive Power Management for IT Equipment

Taking advantage of power management capabilities in servers and other IT equipment to be able to shut them down or lower the power consumption when not in use.

TAG Technical Score: 2.92

Energy Savings: 20%

ID: 508

SAN (Storage Area Network) and LAN (Local Area Network) Convergence

A data center network system that reduces the number and size of distributed rack-based switching hardware and services into smaller, higher bandwidth machines with associated consolidated cabling systems.

TAG Technical Score: 2.14

Energy Savings: 56%

ID: 509

"Green Pumps" Program: Refurbishing Pumps to Improve Energy Efficiency

A program for refurbishing old, large pumps to increase efficiency.

TAG Technical Score:

Energy Savings: 7%

Regional Potential: 0.44 MWh/year

ID: 430

Advanced Energy Information Systems

By integrating EMCS with web-based data from smart meters and submeters, energy performance can be tracked in real time and thus optimized.

TAG Technical Score:

Energy Savings: 8%

ID: 377

Aerosol-Based Duct Sealing for Residential and Commercial Buildings

An aerosol sealant is blown through ducts, plugging leaky ducts from inside the duct system without having to locate or access holes. This technology can be applied to both residential and commercial duct systems.

TAG Technical Score:

Energy Savings: 20%

Regional Potential: 1.21 MWh/year

ID: 178

Air Compressor with Adjustable Speed Drive

Adjustable Speed Drive (ASD) control of oil-lubricated or oil-free rotary screw air compressors is more efficient than load/unload, modulating, or modulating with unloading flow control.

TAG Technical Score:

Energy Savings: 38%

Regional Potential: 0.35 MWh/year

ID: 90

Air Flow Management for Data Centers

A collection of techniques and strategies that direct supply air to the servers at a rate needed for server performance while minimizing airflow energy costs.

TAG Technical Score:

Energy Savings: 30%

Regional Potential: 1.06 MWh/year

ID: 376

Air-Side Economizer for Data Centers

Using up to 100% outside air cooling capability in a data center to provide "free" cooling in an application where outside air would otherwise be provided only to satisfy minimum ventilation requirements.

TAG Technical Score:

Energy Savings: 25%

Regional Potential: 0.88 MWh/year

ID: 119

Ammonia Heat Pump Waste Heat Recovery

Ammonia heat pumps convert the waste heat from refrigeration into useable high temperature heat, rather than exhausting it to the atmosphere through evaporative condensers.

TAG Technical Score:

ID: 629

Automatic Reset of Dryer Dew Point Setpoint

For dryers serving compressed air systems that have distribution piping in spaces that experience seasonal changes in temperature. This setpoint is a function of the critical (lowest) ambient air temperature.

TAG Technical Score:

ID: 132

Clean-On-Demand Compressed Air Controls for Baghouses

Controls that limit the use of compressed air so it is used only when industrial baghouses need to be cleaned.

TAG Technical Score:

Energy Savings: 5%

ID: 171

Cloud Computing

Utilizing cloud services for computer processing and storage needs for appropriate applications.

TAG Technical Score:

Energy Savings: 50%

ID: 490

Combination Gears for High Gear Ratio Applications

Two-stage gearboxes that are a more efficient alternative speed reducer to worm gears in applications with high gear ratios

TAG Technical Score:

Energy Savings: 17%

ID: 435

Commercial/ Industrial CO2 Heat Pumps

Air- or water-source heat pumps that use CO2 as a refrigerant and can produce hot air or hot water while simultaneously generating chilled water or air.

TAG Technical Score:

Energy Savings: 70%

Regional Potential: 2.66 MWh/year

ID: 293

Compressed Air Recovery System for PET Blow Molding Facilities

A system that recovers spent air from the polymer bottle-blowing process and uses it for the initial blow on preforms or feeds it into the plant compressed air distribution system.

TAG Technical Score:

Energy Savings: 100%

ID: 444

Conversion of Industrial Equipment from Compressed Air to Direct Drive

Compressed air is often used in industry to drive processes that could be achieved using far less electricity. Electricity savings of up to 80% may be realized for switching from use of compressed air to direct-drive (via electric motor) for specific applications.

TAG Technical Score:

Energy Savings: 85%

ID: 160

Copper Rotor Motors

Motors up to 20 horsepower with lower resistance losses in their copper rotor conductor bars, resulting in higher efficiency.

TAG Technical Score:

Energy Savings: 1%

Regional Potential: 0.06 MWh/year

ID: 432

Dew Point Demand Controls for Twin-Tower Compressed Air Desiccant Dryers

A compressed air drying system that uses dew point demand controls to shut off the dried purge air flow when the media in the off-line tower has been regenerated and delays tower switchover until the media in the in-service tower has been exhausted.

TAG Technical Score:

Energy Savings: 40%

Regional Potential: 0.11 MWh/year

ID: 437

Diamond Coated Centrifugal Pump Mechanical Seals

Ultra-hard, low-friction surface coating made of synthetic diamond material used to seal pumps used in particularly harsh environments, improving friction losses by roughly 75%.

TAG Technical Score:

Energy Savings: 1%

ID: 22

Digital Ultrasonic Compressed Air Leak Detectors

Tools to identify the acoustic signature of a compressed gas moving from the high pressure to the low pressure side of a leak. Advanced detectors can also quantify the magnitude of the leak.

TAG Technical Score:

Energy Savings: 75%

Regional Potential: 0.98 MWh/year

ID: 448

Efficient Laboratory Hoods

A package of lab hood efficiency measures including heat recovery and automatic sash positioning.

TAG Technical Score:

Energy Savings: 30%

Regional Potential: 0.42 MWh/year

ID: 185

Electric Arc Furnace Charge Preheating

A waste heat recovery process for continuous feeding and preheating of scrap charge to an electric arc furnace after preheating it with furnace exhaust gases.

TAG Technical Score:

Energy Savings: 23%

ID: 453

Electrodialysis for the Wine Industry

A process to stabilize wine prior to bottling and cut energy use by about 80% compared with traditional cold stabilization, which involves keeping wine in bulk cold storage for long periods of time.

TAG Technical Score:

Energy Savings: 75%

ID: 65

Electron Beam Curing

Use of an electron beam to cure inks, laquer, paint, adhesives, resins, composites, and for crosslinking of polymers.

TAG Technical Score:

Energy Savings: 88%

ID: 466

Encourage Replacement of In-Service Standard Efficiency Motors with Premium Efficiency Models

Encourage replacement of in-service industrial motors with NEMA Premium®- or Enhanced-efficiency motors that are 2% to 9% more efficient than standard motors.

TAG Technical Score:

Energy Savings: 4%

Regional Potential: 0.71 MWh/year

ID: 230

Energy Efficient Commercial and Industrial Transformers

Improved efficiency distribution transformers are available for use in the industrial and commercial sectors. Existing efficiency standards cover three-phase low and medium voltage liquid and dry-type transformers.

TAG Technical Score:

Energy Savings: 35%

ID: 612

Energy Efficient Stationary Engine Block Heater

Block heater with circulating pump to reduce energy use.

TAG Technical Score:

Energy Savings: 36%

Regional Potential: 0.07 MWh/year

ID: 381

Energy-Efficient Repulper Rotor

A tank with an efficient rotor in the bottom used to repulp bales of pulp and mix the pulp fibers with water prior to making paper.

TAG Technical Score:

Energy Savings: 23%

ID: 454

Enterprise Energy Management

A combination of software, data acquisition hardware and communication systems used to collect, analyze and display building information. This information is used to help commercial building energy managers, facility managers, financial managers and electric utilities re...

TAG Technical Score:

Energy Savings: 10%

ID: 174

FANWALL Technology

An air handler made up of an array of smaller fans that replaces a single large fan.

TAG Technical Score:

Energy Savings: 5%

Regional Potential: 0.01 MWh/year

ID: 177

Fine Grinding Technology for Mines and Concentrating Plants: "Stirred Mill" vs. Ball Mills

An energy-efficient alternative to the ball mills used for material size reduction at mines.

TAG Technical Score:

Energy Savings: 30%

ID: 479

Heat Activated Heat Pump/Chiller System

Co-produces hot water and chilled water with high-input energy conversion efficiency. Steam, natural gas, propane or waste heat streams can be used as thermal input sources. Potential applications include food processing, dairies, breweries, restaurants, laundries, comme...

TAG Technical Score:

Energy Savings: 77%

ID: 138

Heat of Compression Desiccant Dryers

Use waste heat from an air compressor to regenerate the desiccant in the off-line tower, thereby saving energy through reduced purge air requirements and/or reduced use of supplemental electric heating.

TAG Technical Score:

Energy Savings: 70%

Regional Potential: 0.05 MWh/year

ID: 2

Heliostat

A rooftop device to track the sun using two small motors controlled by a computer, directing more daylighting into a building's interior throughout the day as needed.

TAG Technical Score:

ID: 528

High speed Turbo Blower for Wastewater Treatment

A high-speed centrifugal blower with high flow and high pressure output utilizing magnetic or airfoil bearings and integrated variable speed control.

TAG Technical Score:

Energy Savings: 20%

Regional Potential: 0.06 MWh/year

ID: 310

High-Bay Fluorescent Lighting

High-output T5 and high performance T8 fluorescent lighting systems are now capable of replacing high intensity discharge (HID) lighting in many interior spaces with mountings well above 25 feet, and some exterior spaces as well, while offering reduced energy use, more co...

TAG Technical Score:

Energy Savings: 50%

Regional Potential: 1.50 MWh/year

ID: 26

High-Volume, Low-Speed Fans

A high-volume, low-speed (HVLS) fan up to 24 feet in diameter, capable of displacing many smaller constant speed fans.

TAG Technical Score:

Energy Savings: 96%

Regional Potential: 0.02 MWh/year

ID: 620

Industrial Heat Pumps

Heat pumps that increase the temperature of a low-grade waste heat stream that may otherwise be exhausted to the environment, to make it more useful for industry—for direct process use or to preheat supply or combustion air.

TAG Technical Score:

Energy Savings: 27%

ID: 457

Infrared Drying and Curing

Recent innovations have been made in energy efficient infrared drying and curing techniques.

TAG Technical Score:

ID: 628

Integrated Design Strategies

Design a strategy that considers interaction and synergy among energy systems in order to maximize building energy efficiency and cost effectiveness, such as building envelope improvements that decrease the cost of HVAC and PV systems.

TAG Technical Score:

Energy Savings: 5%

Regional Potential: 2.21 MWh/year

ID: 196

Internet-Based Refrigeration Monitoring System

Monitoring system to assess performance and energy use for medium and large cold storage units.

TAG Technical Score:

Energy Savings: 18%

ID: 346

LED High- and Low-Bay Retrofit Kits for Indoor Applications

Kits containing LED arrays, drivers, cooling technology and sometimes reflectors to maintain or improve light quality, help achieve energy savings, reduce maintenance over traditional high-pressure sodium (HPS) and metal halide (MH) lighting systems, and allow customers t...

TAG Technical Score:

Energy Savings: 73%

Regional Potential: 2.19 MWh/year

ID: 413

LED High-Bay Lighting Fixture with Built-In Daylight Dimming

An LED lighting fixture intended for commercial and industrial high-bay lighting with a built-in daylight sensor that dims light output to save 20 to 50% of the energy of full light output.

TAG Technical Score:

Energy Savings: 10%

Regional Potential: 0.08 MWh/year

ID: 390

LED Outdoor Area Lighting

Light Emitting Diode (LED) lighting for many general outdoor lighting applications, such as to illuminate landscape features, attract shoppers to retail areas, illuminate outdoor sales areas like gas stations and car sales lots, illuminate pedestrian and bicycle pathways ...

TAG Technical Score:

Energy Savings: 57%

Regional Potential: 0.48 MWh/year

ID: 79

LED Screw-in Replacement Lamps for HID Sources

LED screw-in replacement lamps employing medium and mogul bases for HID sources (primarily HPS and MH) in outdoor and commercial high bay and low bay applications.

TAG Technical Score:

Energy Savings: 50%

Regional Potential: 0.87 MWh/year

ID: 637

LED UV Water Disinfection

An LED-based UV light to effectively and efficiently disinfect water supplies by deactivating micro-organisms, bacteria, spores, molds, and viruses.

TAG Technical Score:

Energy Savings: 80%

ID: 480

Lighting Fixtures with Integrated Occupancy Sensors and Controls

Lighting fixtures with pre-installed sensors that can save time and money by streamlining installation and reducing equipment cost, improve adoption rates, and result in a cleaner-looking ceiling.

TAG Technical Score:

Energy Savings: 0%

ID: 45

Level	Status	Description
1	Concept not validated	Claims of energy savings may not be credible due to lack of documentation or validation by unbiased experts.
2	Concept validated:	An unbiased expert has validated efficiency concepts through technical review and calculations based on engineering principles.
3	Limited assessment	An unbiased expert has measured technology characteristics and factors of energy use through one or more tests in typical applications with a clear baseline.
4	Extensive assessment	Additional testing in relevant applications and environments has increased knowledge of performance across a broad range of products, applications, and system conditions.
5	Comprehensive analysis	Results of lab and field tests have been used to develop methods for reliable prediction of performance across the range of intended applications.
6	Approved measure	Protocols for technology application are established and approved.

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