Lawrence Berkeley National Laboratory (Berkeley Lab) along with University of Connecticut analyzed more than 122,000 home sales near 26 wind facilities (with over 1,500 within a mile of operating turbines) in densely populated Massachusetts, yet was unable to uncover any impacts to nearby home property values.
"This is the third of three major studies we have conducted on this... Read More
Tools and models to find the best way to save energy and reduce greenhouse gas emissions in cities and industries, to follow the transport of pollutants through the environment, and to calculate the cost of power interruptions are among those available on a new Lawrence Berkeley National Laboratory (Berkeley Lab) web site.
William Fisk is a senior scientist, mechanical engineer, and leader of the Indoor Environment Group at Lawrence Berkeley National Laboratory (LBNL). During his 33 years at the lab, he has researched the interrelated issues of building energy performance, ventilation, indoor environmental quality (IEQ), and occupant health and performance. His research focuses primarily on energy efficient... Read More
Researchers in the Environmental Energy Technologies Division of Lawrence Berkeley National Laboratory have released a new report titled “Exploring California PV Home Premiums.”
Although photovoltaic (PV) penetration in the United States is increasing rapidly, properly valuing homes with PV systems remains a barrier to PV deployment. Previous studies show that PV homes command sales price premiums. Still, some appraisers and other home valuers assign no value to a home’s PV system,... Read More
Researchers at the Lawrence Berkeley National Laboratory (Berkeley Lab) and their colleagues studied the chemical mechanisms that allow photocatalysis to remove pollution from indoor air and urban atmospheres, as well as allow self-cleaning surfaces to work. The basis of the process is a catalyst such as titanium dioxide (TiO2) energized by light. Building materials and coatings with nano-sized TiO2 particles are gaining market share. Photocatalytic products include... Read More
In this first of a series of Q&As with researchers in the Environmental Energy Technologies Division, Michael Sohn talks about probability and uncertainty in modeling.
Michael Sohn is an environmental engineer working to understand how chemicals and energy are used in the world at various scales—global, state, and building. His research interests are in mathematical modeling of environmental systems and... Read More
For decades, California has used groundbreaking tools to collect and analyze emissions data from a variety of sources to establish a scientific basis for policy making. As its scope has expanded to include greenhouse gas (GHG) reductions, it has sought out similar tools to use to achieve the goals of legislation such as the Global Warming Solutions Act of 2006 (AB 32).
To support this effort, Lawrence Berkeley National Laboratory developed a California Greenhouse Gas Inventory... Read More
The 40th anniversary of the founding of the Environmental Energy Technologies Division at Berkeley Lab is November 1, 2013.
Every Thursday during October, we'll look back at a significant energy-efficient technology developed by EETD and its research partners.
This WeekEETD has developed energy-efficient technologies that save energy in your home and workplace. One of these is aerosol duct sealing. Leaky ducts in homes and offices can waste 20 to 30 percent of heating and... Read More
The price at which electricity from large-scale solar power projects in the western United States is being sold has fallen by more than two-thirds in the last five years, according to a new report released today by Lawrence Berkeley National Laboratory. The report—"Utility-Scale Solar 2012: An Empirical Analysis of Project Cost, Performance, and Pricing Trends in the United States"—focuses exclusively on ground-mounted solar projects with capacity ratings greater than 2 MWAC. Such... Read More
Industry could more than double in size from ~$6 billion in 2013 to $11-$15 billion by 2020
Aggregate revenue growth rates for U.S. energy service companies (ESCOs) significantly outpaced U.S. GDP growth during the three-year period 2009 to 2011, according to a new report by researchers at Lawrence Berkeley National Laboratory (Berkeley Lab).
ESCOs primarily use performance-based contracts to provide energy efficiency, renewable and other energy-related... Read More
On Berkeley Lab's News Center website, there's a new story about the China Energy Group's China Energy Databook.
"In the five years since the China Energy Group of the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) released its last edition of the China Energy Databook, China has achieved two dubious distinctions: it surpassed the United States in energy consumption and it surpassed the United States in energy-related emissions of carbon... Read More
As part of an effort to analyze the cost per unit of savings for utility customer-funded energy efficiency programs, Lawrence Berkeley National Laboratory (LBNL) has reviewed regulatory filings nationwide to produce a program typology and standardized data metrics for assessing energy efficiency program characteristics, costs and impacts. These types, definitions, and naming conventions facilitate meta-analysis of efficiency program results and use of such information by a wide range of... Read More
Lawrence Berkeley National Laboratory (Berkeley Lab) analyzed more than 50,000 home sales near 67 wind facilities in 27 counties across nine U.S. states, yet was unable to uncover any impacts to nearby home property values.
"This is the second of two major studies we have conducted on this topic [the first was published in 2009 - see below], and in both studies [using two different datasets] we find no statistical evidence that operating wind turbines have had any measureable impact... Read More
A team of researchers in the Environmental Energy Technologies Division led by Hanna Breunig has published a paper analyzing regional options for managing brine from carbon capture and sequestration projects. The research, described in a feature article here, looks at how brine... Read More
The Department of Energy has released the winning student team from the Max Tech Appliance Design Contest. The Max Tech competition, held in May of this year, was coordinated by a team in the Environmental Energy Technologies Division of Lawrence Berkeley National Laboratory (Berkeley Lab). Here is DOE's announcement:
As part of the Obama Administration's commitment to supporting the next generation of scientists and engineers, the Energy Department today announced that a University... Read More
A new report released by the State and Local Energy Efficiency Action Network (SEE Action) prepared by researchers at Lawrence Berkeley National Laboratory provides guidance and recommendations on methodologies that can be used for rigorously estimating energy savings from residential behavior-based efficiency programs. The report was designed for regulators, evaluation professionals, program administrators, and other energy efficiency program stakeholders.
Residential behavior-based... Read More
Ed Vine, a scientist in the Environmental Energy Technologies Division is the editor of a special issue of the journal Energy Efficiency focusing solely on the evaluation of energy efficiency (2012: Volume 5 Number 1). The papers published in the issue are a subset of those delivered at the International Energy Program Evaluation Conference held in Europe in 2010.
The issue's introduction, by Vine and S. Thomas of the Wuppertal Institute for Climate, Environment, and Energy... Read More
A study released today by researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) identifies steps that energy efficiency program managers can take to deliver significant savings on home energy bills to middle-income households.
"Middle-income households have been hit hard by the recent recession, and sagging home prices have undermined the traditional reliance of middle-income households on home equity for financing home improvements," says Berkeley Lab's Mark Zimring, a... Read More
Using measuring techniques that combine video with devices measuring particulate matter, black carbon and nitrogen oxides in real time, scientists at the Environmental Energy Technologies Division (EETD) of Berkeley Lab have verified that policies designed to reduce the emissions of particulates from trucks driving onto the Port of Oakland have been effective.
The paper describing their results, by Timothy Dallman and Robert Harley of the UC Berkeley Civil and Environmental... Read More
Researchers estimate that those of us in developed countries spend 90 percent of our time indoors, which means that most of the time we are breathing air polluted by emissions from indoor sources. Providing more outdoor air ventilation can improve indoor air quality; however, energy is needed to heat, cool, humidify or dehumidify, and sometimes filter the ventilation air brought indoors from outdoors. Studies have shown that about 10 percent of the energy consumed in the U.S. commercial... Read More
Lawrence Berkeley National Laboratory is seeking participants for a study of air quality in California homes. The study is being conducted by scientists in the Environmental Energy Technologies Division of Berkeley Lab. This project is funded by the California Energy Commission and is focused on homes with natural gas appliances. Individuals who are selected to participate and complete the requirements of the study will receive $75 and free information about the air quality in their home.... Read More
It's a grand challenge: develop clean, sustainable technologies that deliver a low-carbon energy future, and through innovation, create jobs, new markets, and exports, and increase America's energy security.
Researchers at the Lawrence Berkeley National Laboratory (Berkeley Lab) have made it their mission to develop low-carbon and energy-efficient technologies such as advanced materials and information technology for buildings; next-generation biofuels; new battery, fuel cell, and... Read More
Scientists in Lawrence Berkeley National Laboratory's Environmental Energy Technologies Division (EETD), in cooperation with colleagues throughout the Lab, have formed a team to evaluate the impacts of low-carbon and energy-efficient technologies that are still in the laboratory. Development of these technologies is part of a Lab-wide effort called Carbon Cycle 2.0, focused on sustainable energy solutions such as advanced materials and information technology for buildings; next-generation... Read More
Current standards for U.S. offices require approximately 8 liters per second (L/s) of outdoor air ventilation per person. Providing twice as much ventilation would reduce sick building syndrome symptoms (SBS) and absences, improve work performance, and provide billions of dollars in annual economic benefits in the U.S., according to a recent study from the Lawrence Berkeley National Laboratory (Berkeley Lab).
A second study found that four remedial measures in U.S. offices—increasing... Read More
A new policy brief on the value of energy performance and green attributes in buildings, authored by Elizabeth Stuart, is available. Labels, certifications, and rating systems for energy efficiency performance and "green" attributes of buildings have been available in the U.S. for over 10 years, and used extensively in the European Union and Australia for longer. Such certifications and ratings can make energy efficiency more visible, and could help spur demand for energy efficiency if these... Read More
The installed cost of solar photovoltaic (PV) power systems in the United States fell substantially in 2010 and into the first half of 2011, according to the latest edition of an annual PV cost tracking report released by the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab). The average installed cost of residential and commercial PV systems completed in 2010 fell by roughly 17 percent from the year before, and by an additional 11 percent within the first six... Read More
Scientists in EETD provided technical analysis to the Department of Energy for the energy efficiency standards announced today.
From the U.S. Department of Energy:
Today, the Department of Energy issued final energy efficiency standards for home refrigerators and freezers that will improve their efficiency by about 25% by 2014. These new standards, developed through a consensus process with manufacturers, consumer groups, and environmentalists, are expected to deliver more than... Read More
A new policy brief for energy efficiency contractors and program managers describes how adding sales and business skills to contractor technical skills and certifications can increase the rate of customer conversions from home energy assessment to comprehensive home energy upgrade. It was prepared by Megan Billingsley and Elizabeth Stuart of the Electricity Markets and Policy Group of the Environmental Energy Technologies Division.
Discussed in the brief is the case of Efficiency... Read More
Leon (Lee) Schipper, a scientist who worked in Berkeley Lab's Environmental Energy Technologies Division for more than two decades, passed away on August 16 at Alta Bates Hospital in Berkeley. He was 64 and was diagnosed with pancreatic cancer in May. Schipper was an energy efficiency expert who first worked at the Lab as a graduate student in 1972 and then joined as a scientist in 1978. He went on leave in 1995 to work as a visiting scientist for the International Energy Agency in Paris and... Read More
Recently, EETD's Thomas Kirchstetter, and Tim Dallman and Robert Harley of the University of California, Berkeley, presented the results of a study on the emissions of PM (particulate matter) and NOx (nitrogen oxides) from trucks at the Port of Oakland. The occasion was an August 4th hearing in Oakland, California, convened by Alameda County supervisors to discuss requirements that trucks accessing the Port reduce... Read More
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