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UPDATED!
Plugging the Plug Load Data Hole
November 5, 2012 | Updated: May 8, 2013
Plug loads are huge energy hogs, but it’s often difficult to find comprehensive and reliable data on how different plugs loads use energy. To solve this problem, we’ve compiled hundreds of results from a wide range of plug load reports into a single spreadsheet.
Content type: Data Resource | Document ID: TAS-DR-1 | Author: Essie Snell
UPDATED!
Plug-In Electric Vehicles
September 25, 2009 | Updated: April 15, 2013
Commercial sale of production-line plug-in hybrid electric vehicles (PHEVs) commenced in 2009 and will increase steadily in the coming years. This resource guide covers PHEV performance, benefits, and limitations, and discusses the potential challenges they pose for electric utilities.
Content type: Resource Guide | Document ID: TAS-RG-20 | Author: Dan Greenberg, Bryan Jungers
Help Me Make My Windows More Efficient!
February 28, 2013
There are a wide range of approaches to making windows more efficient, and it can be difficult to know which is best for a given situation. To provide some guidance, we've created a handy decision tree to quickly point you in the right direction.
Content type: Research Brief | Document ID: TAS-RB-67 | Author: Essie Snell
Help Me Pick a Water Heater!
November 7, 2012
With all the new water heater technologies on the market, it can be tough to narrow down the best options. To help alleviate this problem, we've created a handy decision-making flow chart to quickly point you in the right direction.
Content type: Research Brief | Document ID: TAS-RB-61 | Author: Essie Snell
Residential-Scale Water Heaters
July 3, 2012
Residential-scale water heaters are widely used in homes and small commercial buildings and represent an immense source of energy consumption. We look at the different options currently available, along with barriers and opportunities for utility demand-side management and demand-response programs.
Content type: Resource Guide | Document ID: TAS-RG-29 | Author: Essie Snell
Can Freezing Water Bottles Really Save Energy?
June 25, 2012
We’ve heard that packing empty freezer space with filled water bottles will reduce energy consumption. Is there any truth to this?
Content type: Ask E Source | Document ID: TAS-AskES-58 | Author: Essie Snell
Will the Rare-Earth Metals Crunch Hurt Fluorescent Lighting Programs?
November 18, 2011
What's going on with the prices for fluorescent lamps? How can we keep rising prices from bankrupting our fluorescent lighting programs?
Content type: Ask E Source | Document ID: TAS-AskES-53 | Author: Lee Hamilton
Moisture Control in Building Envelopes
May 24, 2011
Many different strategies have been employed to mitigate excessive moisture in the building envelope, with applicability and effectiveness varying by region, season, building characteristics, and type of construction.
Content type: Research Brief | Document ID: TAS-RB-32 | Author: Bryan Jungers
One Communications Technology to Rule Them All?
March 17, 2011
A white paper from a major manufacturer claims that ZigBee is the best wireless communications technology for smart grid–enabled home area networks. With so many factors to consider, however, is it even necessary to choose a single technology?
Content type: Research Brief | Document ID: TAS-RB-25 | Author: Essie Snell
Storage Batteries Make Progress
February 10, 2011
Storage batteries have made significant progress over the last half-decade, with improvements in safety, performance, and cost. These improvements could help to promote wider adoption of applications such as plug-in electric vehicles and uninterruptible power supplies.
Content type: Research Brief | Document ID: TAS-RB-29 | Author: Bryan Jungers
Saving Energy with Smart Strips
January 4, 2011
How much energy can I save by using a smart power strip, and what types are available?
Content type: Ask E Source | Document ID: TAS-AskES-30 | Author: Essie Snell
Evaluating LED Manufacturers’ Claims
August 4, 2010
Utility demand-side management managers and corporate energy managers are getting bombarded with information from light-emitting diode (LED) manufacturers, but many are have no idea how to evaluate the product information that they receive. We help separate the LED wheat from the chaff.
Content type: Research Brief | Document ID: TAS-RB-19 | Author: Ira Krepchin
Study Finally Evaluates an Evaporative Precooler Retrofit, with Mixed Results
August 2, 2010
Results are in from the first field testing of retrofits of evaporative precoolers and they are mixed but promising!
Content type: Research Brief | Document ID: TAS-RB-15 | Author: Mary Horsey
Lighting Update: Report from LightFair 2010
July 15, 2010
Out of the onslaught of new light-emitting diode (LED) products introduced at LightFair 2010, we’ve selected several items to highlight, including LED modules, LED troffers, and an LED that shifts color as it dims. We also present several non-LED products, including a significant new dimmable CFL.
Content type: Research Brief | Document ID: TAS-RB-10 | Author: Ira Krepchin
New Standards Clear the Way for Electric Vehicle Adoption
June 1, 2010
New standards for electric vehicle plugs and charging systems have cleared hurdles for early adopters.
Content type: Research Brief | Document ID: TAS-RB-13 | Author: Micah Allen
Regional Technologies Guide
May 24, 2010
This guide is intended to help you identify energy-efficient technologies that could be of particular benefit in a given climate region.
Content type: Resource Guide | Document ID: TAS-RG-23 | Author: Kitty Stevenson and Peter Criscione
Phase Change Building Materials: Ready for Prime Time?
April 22, 2010
Vendors are claiming that phase change building materials reduce energy use and shift the afternoon peak load. Are these claims accurate?
Content type: Ask E Source | Document ID: TAS-AskES-16 | Author: Mary Horsey
Energy-Efficient Track Lighting
February 8, 2010
Metal halide, compact fluorescent, light-emitting diode, and advanced halogen reflector lamps can be used to provide more efficient track lighting than is possible with conventional track lighting.
Content type: Resource Guide | Document ID: TAS-RG-24 | Author: Ira Krepchin
Air-Source Electric Heat Pumps
December 17, 2009
Air-source electric heat pumps are year-round space-conditioning systems capable of providing heating, cooling, and domestic hot water in a single piece of equipment. They often offer a lower capital cost and lower operating cost than electric resistance heating and, in some cases, gas heating.
Content type: Resource Guide | Document ID: TAS-RG-22 | Author: Peter Criscione
Drainwater Heat Recovery Device Savings
October 1, 2009
How much energy do drainwater heat recovery devices save?
Content type: Ask E Source | Document ID: TAS-TN-10-09d | Author: Peter Criscione
Smart Circulators for Hydronic Heating
August 25, 2009
What are smart circulators, and do they save energy?
Content type: Ask E Source | Document ID: TAS-TN-9-09e | Author: Mary Horsey
LED Lighting for Parking Lots
August 24, 2009
Are light-emitting diodes (LEDs) a viable solution for outdoor parking lots?
Content type: Ask E Source | Document ID: TAS-AskES-2 | Author: Ira Krepchin
AMR Versus AMI
August 19, 2009
What are the differences between automated meter reading (AMR) and advanced metering infrastructure (AMI)? Is AMR still a relevant “smart” technology?
Content type: Ask E Source | Document ID: IGS-AskES-1 | Author: Stephanie Cary
Cool Thermal Storage for Unitary Air Conditioners
July 17, 2009
After a decade of development, ice storage for small unitary air conditioners is still expensive but has the potential to be competitive with several utility-scale electricity storage technologies. It remains to be seen if the latest generation of equipment can live up to manufacturer projections.
Content type: Resource Guide | Document ID: TAS-RG-17 | Author: Mary Horsey
Elevators for Low-Rise Buildings
July 8, 2009
Which type of elevator is most efficient in low-rise buildings: traction or hydraulic?
Content type: Ask E Source | Document ID: TAS-AskES-1 | Author: Dan Greenberg
Savings from Removing Sediment Buildup in Water Heaters
June 25, 2009
How much energy can be saved by removing sediment buildup in tank-type water heaters?
Content type: Ask E Source | Document ID: TAS-TN-7-09c | Author: John Sustar
Weatherizing Mobile Homes
June 1, 2009
Is it possible and cost-effective to weatherize mobile homes?
Content type: Ask E Source | Document ID: TAS-TN-6-09d | Author: Mary Horsey
Shutting Off Water Heaters and Legionnaires’ Disease
April 22, 2009
Are there health concerns associated with turning off domestic hot water tanks in buildings that are periodically unoccupied, such as on weekends and, in the case of schools, during vacations?
Content type: Ask E Source | Document ID: TAS-TN-5-09d | Author: Mary Horsey
Lighting Controls
February 1, 2009
Controls that vary the time of operation and the intensity of electric lighting can cut energy use, reduce peak demand, improve occupant comfort, and increase productivity.
Content type: Resource Guide | Document ID: TAS-RG-16 | Author: Ira Krepchin
Antifog Films for Refrigerated Display Cases
November 15, 2008
How well do antifog films work for refrigerated display case doors, and do they reduce energy use?
Content type: Ask E Source | Document ID: TAS-TN-11-08c | Author: Peter Criscione
