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Updated: 2 days 17 hours ago

Canadian Solar, Chaori Cast Cloud On Solar Shares

Mon, 03/10/2014 - 11:06
img hspace="10" vspace="5" align="left" src="" /pAfter a massive rally over the last year, shares of solar panel makers could be set for a few months of winter following a disappointing earnings announcement from superstar Canadian Solar (Nasdaq: CSIQ) and a debt default from second-tier player Chaori Solar (Shenzhen: 002506). Such a correction was almost inevitable after last year’s huge rally a/p

Mapping the World One Small Hydropower Plant at a Time

Mon, 03/10/2014 - 10:11
img hspace="10" vspace="5" align="left" src="" /pThe United Nations Industrial Development Organization (UNIDO) and the International Centre on Small Hydro Power (ICSHP) announced last month that they have launched a new web-based knowledge-sharing portal on small hydropower. The purpose of the portal is to hopefully make it easier for developers, policymakers and other interested stakeholders to access data about the vast potential of small hydropower. /p

Google Reaps Tax Breaks in $1.4 Billion Renewable Energy Bet

Mon, 03/10/2014 - 08:55
img hspace="10" vspace="5" align="left" src="" /pOn a Northern California farm where silage for animal feed once grew, Google Inc. is generating power from more than 100,000 solar panels to heat nearby homes — and double down on an area of energy many investors shun./p

Predicting PV Plant Power Fluctuations and Optimising Energy Storage

Mon, 03/10/2014 - 08:53
img hspace="10" vspace="5" align="left" src="" /pThe ability to accurately predict and prevent power fluctuations is of considerable importance to Solar PV (photovoltaic) plant operators in terms of sustaining profitability, estimating revenue returns and ensuring customer quality of service. Variations in solar irradiance can cause rapid fluctuations in power generation, reducing the quality and reliability of the power generated by large grid-connected PV plants./p

Energy Efficiency Ain't Got No Respect

Mon, 03/10/2014 - 08:08
img hspace="10" vspace="5" align="left" src="" /pWhile politicians and planners focus on energy generation and fuels, it is energy efficiency that should be the first winner. As I tell my students as well as members of Congress — it is ALWAYS less expensive to save energy than generate any type of energy./p

India Suspends Wind Forecasting Fines Due to Data Inaccuracy

Mon, 03/10/2014 - 07:41
img hspace="10" vspace="5" align="left" src="" /pAn Indian rule requiring wind farms to predict output or face fines has been temporarily suspended as the regulator reconsiders the best way to ensure stability of the grid, which suffered the world’s biggest outage in 2012./p

Transmission Tweak Promises Big Cost Benefits for Offshore Wind

Fri, 03/07/2014 - 12:37
img hspace="10" vspace="5" align="left" src="" /pOffshore wind development is being pushed further out into deeper waters, emphasizing longer, higher-capacity transmission systems. Most newer offshore wind farms from Europe to the U.S. are looking at hundreds of kilometers of transmission lines: the U.K. Crown Estate's Round 3 allocations, interconnection systems from Germany's North Sea to the U.K.'s National Grid Western Link, and the proposed Atlantic Wind Connector in the U.S. Mid-Atlantic./p

Liquid Metal Batteries May Be the Answer for Cheap Energy Storage

Fri, 03/07/2014 - 11:59
img hspace="10" vspace="5" align="left" src="" /pA 40-foot trailer loaded with 25 tons of liquid metals may be the solution to the renewable energy industry’s biggest challenge: making sure electricity is available whenever it’s needed./p

Defining an Industry: Solar PV Operations Maintenance versus Asset Management

Fri, 03/07/2014 - 10:16
img hspace="10" vspace="5" align="left" src="" /pThere are more solar photovoltaic (PV) systems in the U.S. than ever before and more of them are aging out of warranty coverage. The need to manage this portfolio of residential, commercial and utility-scale solar assets is accelerating a relatively new industry sector, solar PV operations and maintenance (OM)./p

US States Boosting Wind Energy Output, Pipeline Filling Up

Thu, 03/06/2014 - 14:52
img hspace="10" vspace="5" align="left" src="" /pWind energy continues to improve its standing in the U.S. energy footprint, generating over 167,000 MWh in 2013 and accounting for more than four percent of electricity generation, according to the latest information from the Energy Information Administration (EIA) and American Wind Energy Association (AWEA). Wind energy also has represented 30 percent of all new generating capacity over the last five years. /p

Battery Storage May Vie with US Oil Boom as Energy Game Changer, Says Moniz

Thu, 03/06/2014 - 08:58
img hspace="10" vspace="5" align="left" src="" /pThe rapid development of rooftop solar and battery storage technology could be as transformative to the economy and modern life as the U.S. oil and gas boom, Energy Secretary Ernest Moniz said./p

Energy Price Concerns Resonate in EU Talks on 2030 Climate Goals

Thu, 03/06/2014 - 08:53
img hspace="10" vspace="5" align="left" src="" /pThe European Union should ensure that future climate and energy policies do not undermine the competitiveness of its industry, already weakened by a price gap with the U.S., the bloc’s member states said./p

It’s Now Official: U.S. Solar Industry Has Record-Shattering Year in 2013

Thu, 03/06/2014 - 08:50
img hspace="10" vspace="5" align="left" src="" /p  What would Alexandre Edmond Becquerel be thinking now? In 1839, at the age of just 19, Becquerel built the world’s first photovoltaic panel, later inspiring the imaginations of millions of people worldwide, including legendary scientist Albert Einstein.  Still, it took another 115 years before Bell Labs invented the first modern silicon solar cel/p

How the Military is (Indirectly) Fueling the Solar Industry

Thu, 03/06/2014 - 08:48
img hspace="10" vspace="5" align="left" src="" /pIf ever there was a champion of efficiency, the military would be it. Energy efficiency is no exception to this generalization. As The Solar Foundation (TSF) and Operation Free tell us in a recent Veterans in Solar report, the U.S. military has scaled up its use of distributed renewable energy technologies, at home and in combat zones, to strengthe/p

Listen Up: Let's Talk Rooftop Solar Safety with Fire Captain Matt Paiss

Thu, 03/06/2014 - 08:27
img hspace="10" vspace="5" align="left" src="" /pFires in homes are generally caused by kitchen mishaps, heating system fires or electrical malfunctions. When it comes to fire safety, the solar industry's track record is excellent — with only a few documented cases in which the solar system actually caused a fire (generally due to improper wiring or equipment malfunctions). /p

Smart Grid Evolution: A New Generation of Intelligent Electronic Devices

Thu, 03/06/2014 - 08:00
img hspace="10" vspace="5" align="left" src="" /pThe idea of a “smart grid” has taken center stage — an evolution of advanced technologies that make the availability of a smarter, more efficient electrical power grid possible. These technologies aim to address the complex challenges facing grid systems today, which stem largely from its aging infrastructure and a use case model that has evolved over the years. With power systems over a century old, the field instrumentation on the grid is quickly reaching its life cycle limit, which adversely affects overall grid reliability and efficiency. /p

Will the Electricity Grid Become Optional?

Thu, 03/06/2014 - 05:25
img hspace="10" vspace="5" align="left" src="" /pFor years, low-cost solar-plus-battery systems were seen as a distant possibility at best, a fringe technology not likely to be a threat to mainstream electricity delivery any time soon. By far, the limiting factor has been battery costs. But thanks to a confluence of factors playing out across the energy industry, the reality is that affordable battery storage is coming much sooner than most people realize. That approaching day of cheaper battery storage, when combined with solar PV, has the potential to fundamentally alter the electricity landscape./p

Survey: Distributed Generation an Opportunity, Not a Threat to Utilities

Wed, 03/05/2014 - 16:01
img hspace="10" vspace="5" align="left" src="" /pDistributed generation is the most disruptive technology to the utility business model, but rather than look at it as a threat, most utility executives perceive it as an opportunity, according to a survey commissioned by engineering firm Siemens./p

Delaware's Plan to Shepherd US Offshore Wind: Build Bridges

Wed, 03/05/2014 - 15:57
img hspace="10" vspace="5" align="left" src="" /pOffshore wind in the U.S. continues to find its sea legs: Cape Wind is tying off final funding, in a race with Deepwater to be the first to put steel in the water, while a number of pilot projects now await the Department of Energy's down-select to see who continues to get funding to progress their next phases. In the middle, where it sees a need to bring everyone's efforts, is a new group out of the U. of Delaware. /p

Readers Respond Day 6: Can We Reach 100 Percent Renewable Energy?

Wed, 03/05/2014 - 13:50
img hspace="10" vspace="5" align="left" src="" /pSeveral countries have announced ambitious goals to be powered completely by renewable energy, while other nations set smaller, incremental goals. These high aspirations have sparked quite a debate amongst industry experts, and we here at Renewable Energy World are curious to hear what you, our readers, have to say. /p