Distributed generation Distributed generation, also called on-site generation, dispersed generation, embedded generation, decentralized generation, decentralized energy, distributed energy or district energy, generates electricity from many small energy sources. Most countries generate electricity in large centralized facilities, such as fossil fuel (coal, gas powered), nuclear, large solar power plants or hydropower plants. These plants have excellent economies of scale, but usually transmit electricity long distances and can negatively affect the environment. Local wind generator, Spain, 2010 Economies of scale Historically, central plants have been an integral part of the electric grid, in which large generating facilities are specifically located either close to resources or otherwise located far from populated load centers. For example, coal power plants are built away from cities to prevent their heavy air pollution from affecting the populace. Grid parity Cogeneration Microgrid
Promoting Clean, Renewable Energy: Investments in Wind and Solar Home | Executive Summary | Introduction | Transportation | Renewable Energy | Private Sector | Medical Research Three decades ago, the U.S. led the world in the development of renewable energy, such as wind, solar, and geothermal power. Since then, markets for renewable energy have grown predominantly overseas due to strong, consistent foreign government incentives and policies. As a result, manufacturing of renewable energy equipment has grown largely overseas as well. Recovery Act investments are helping the U.S. re-establish leadership in innovation, manufacturing, and deployment in these fast-growing industries, which will create new jobs, increase access to clean energy, and reduce greenhouse gas emissions. In the beginning of his Administration, President Obama set a goal of doubling U.S. renewable energy generation capacity from wind, solar, and geothermal by 2012. Download CSV Payment-in-Lieu-Of-Tax-Credits (1603) Manufacturing Tax Credits (48C) Loan Guarentees Download CSV
Solar Power Information and Facts Solar energy is the technology used to harness the sun's energy and make it useable. As of 2011, the technology produced less than one tenth of one percent of global energy demand. Many are familiar with so-called photovoltaic cells, or solar panels, found on things like spacecraft, rooftops, and handheld calculators. On a much larger scale, solar-thermal power plants employ various techniques to concentrate the sun's energy as a heat source. How to Harness Solar Power In one technique, long troughs of U-shaped mirrors focus sunlight on a pipe of oil that runs through the middle. Other solar technologies are passive. Solar energy is lauded as an inexhaustible fuel source that is pollution- and often noise-free. Pitfalls Solar energy doesn't work at night without a storage device such as a battery, and cloudy weather can make the technology unreliable during the day.
Complete Green Job Search Guide|Green Career Resources for Job S Don’t Be a Party Pooper! How States Can Attract 3rd-Party Owned PPA Financing | Renewable Energy Project Finance 3rd-party owners are helping residential and commercial end-use customers finance new PV projects – but only in certain locations. "Why aren’t they coming to my state", you might ask, "and what can be done to get them here?" Many end users of electricity would like to use on-site photovoltaic (PV) generation to hedge against volatile electric utility bills and reduce climate change impacts. However, PV systems have high initial costs, and they must be properly operated and maintained to deliver expected benefits. As a result, several states have created juicy incentives to reduce the cost of PV to customers, or created renewable mandates to increase the number of new systems. Many of the incentives are production based, to encourage efficient system operation. Enter the 3rd-party owner, who uses a power purchase agreement (PPA) to finance an on-site PV system. However, 3rd-party electricity sales face regulatory and legislative challenges.
Renewable Energy Certificates (United States) Renewable Energy Certificates (RECs), also known as Green tags, Renewable Energy Credits, Renewable Electricity Certificates, or Tradable Renewable Certificates (TRCs), are tradable, non-tangible energy commodities in the United States that represent proof that 1 megawatt-hour (MWh) of electricity was generated from an eligible renewable energy resource (renewable electricity). Solar renewable energy certificates (SRECs) are RECs that are specifically generated by solar energy. These certificates can be sold and traded or bartered, and the owner of the REC can claim to have purchased renewable energy. According to the U.S. Department of Energy's Green Power Network, RECs represent the environmental attributes of the power produced from renewable energy projects and are sold separately from commodity electricity. Once in the grid, renewable energy is impossible to separate from the conventionally generated energy.
Annual cost of environmental damage is $6.6 trillion, says UN The grim numbers come from a study (PDF) released Wednesday by the UN-backed Principles for Responsible Investment (PRI) and UNEP Finance Initiative. The most environmentally damaging business sectors have been identified as utilities; oil and gas producers; and industrial metals and mining. The three together accounted for almost a trillion dollars’ worth of environmental harm in 2008. The top 3,000 companies by market capitalisation, which represent a large proportion of global equity markets, were responsible for $ 2.15 trillion worth of environmental damage in 2008. The report, titled Universal Ownership: Why environmental externalities matter to institutional investors, projects that the monetary value of annual environmental damage from water and air pollution, greenhouse gas emissions, general waste and depleted resources could reach $28.6 trillion in 2050, or 23 percent lower if clean and resource-efficient technologies are introduced.
Solar Energy Basics | NREL Solar is the Latin word for sun—a powerful source of energy that can be used to heat, cool, and light our homes and businesses. That's because more energy from the sun falls on the earth in one hour than is used by everyone in the world in one year. A variety of technologies convert sunlight to usable energy for buildings. The most commonly used solar technologies for homes and businesses are solar water heating, passive solar design for space heating and cooling, and solar photovoltaics for electricity. Solar panels installed on a home in Colorado. Businesses and industry also use these technologies to diversify their energy sources, improve efficiency, and save money. Solar Photovoltaic Technology These technologies convert sunlight directly into electricity to power homes and businesses. Concentrating Solar Power These technologies harness heat from the sun to provide electricity for large power stations. Solar Process Heat Passive Solar Technology From the U.S. Solar Water Heating U.S.
Everblue - LEED AP Certification Exam Prep Courses, LEED Consult In 2013, 70% more homes were energy rated in the U.S. and issued a HERS Index Score. There were 218,864 ratings conducted in 2013, compared to 128,000 in 2012. RESNET Executive Director Steve Baden commented on this increase, “These numbers reflect that home energy ratings are fast becoming a mainstream in the U.S. housing market. It is also encouraging th at the average HERS Index Score was 64. Baden acknowledges that homebuilders are increasingly seeing energy efficiency as a major selling point for buying a new home. Legislation to Support Energy Auditing in 2014 Senators Jeanne Shaheen (D-NH) and Rob Portman (R-OH) announced that energy efficiency legislation will be reintroduced shortly. The legislation will include the SAVE Act. Shaheen, who has co-sponsored the legislation (S. 1392) with Portman, told the Senate Energy and Natural Resources Committee's Energy Subcommittee that the bill had a “great chance” of becoming law due to bipartisan support in both chambers. inShare5
Solar Policy Can Advance (Or Delay) Grid Parity By A Decade By Climate Guest Contributor on April 2, 2012 at 12:24 pm "Solar Policy Can Advance (Or Delay) Grid Parity By A Decade" by John Farrell, via Energy Self Reliant States In their excellent interactive graphic, Bloomberg Energy Finance calls solar grid parity (when electricity from solar costs less than grid power) the “golden goal.” It’s an excellent illustration of how the right energy policy can help a nation go gold on solar or wallow in metallurgical obscurity. In the case of the U.S., it may mean delaying grid parity by eight years. In the screenshot below, countries in purple have reached the golden goal in 2012, based on the quality of their solar resource and the cost of grid electricity, as well as a 6% expected return on investment for solar developers. By 2020, the universe of countries has expanded significantly, and includes the United States In the U.S., however, there is high uncertainty. This highlights a huge irony in U.S. energy policy.