Renewables

  • POWER Digest (December 2015)

    GE Completes Alstom Acquisition. GE announced on Nov. 2 that a $10.6 billion deal to acquire Alstom ’s power and grid business is complete. Alstom will now entirely refocus its activities on rail transport

  • Senate Votes to Overturn Clean Power Plan

    The U.S. Senate late on Nov. 17 passed a pair of resolutions that would overturn recent Environmental Protection Agency rules on power plant emissions, rules that form the core of the Obama administration’s Clean Power Plan. The two resolutions, S.J. Res. 23 and S.J. Res. 24, were passed under a little-used provision known as the Congressional Review […]

  • Germany Lays a New Foundation for Electricity Market

    The cabinet of Angela Merkel’s ruling coalition has endorsed changes to the German electricity market, ensuring their passage into law. “This is the largest reform of the electricity market since the energy markets were liberalised in the 1990s, and it will make the electricity market fit for the 21st century,” said Energy Minister Sigmar Gabriel. […]

  • Advisory Committee to DOE: U.S. Must Level Playing Field for Coal, Carbon Capture Technologies

    The world must have carbon capture and storage (CCS) technology to address climate concerns, but commercializing CCS will require a level playing field, an industry advisory council appointed by the Department of Energy (DOE) underscores in a new white paper. The report released by the National Coal Council (NCC) on Nov. 10 responds to a […]

  • Unregulated U.S. Utility Sector to See Downturn in 2016, Moody’s Warns 

    Falling power and gas prices will impact the operating cash flows of unregulated U.S. utilities in 2016, but regulated utilities will see a more stable outlook owing to a supportive regulatory environment, Moody’s Investors Service said in a new analysis of fundamental business conditions released on Nov. 6. Moody’s changed its 2016 industry outlook for […]

  • Regulators, System Operators, and Utilities Consider Reliability, Renewables, and EPA Regulations

    In a Monday morning session at the annual meeting in Austin of the National Association of Regulatory Utility Commissioners (NARUC), panelists and commissioners traded comments on challenges and successes related to integrating increasing levels of renewables while ensuring reliable grid operation. David Boyd, VP of government and regulatory affairs for the Midcontinent Independent System Operator […]

  • GE’s Acquisition of Alstom’s Power and Grid Business Is Official

    Following regulatory approval of a $10.6 billion transaction in over 20 countries and regions, GE’s acquisition of Alstom’s energy activities is now complete. GE and Alstom sealed the deal first proposed in early 2014 with the signing of a 1,500-page “master agreement.” GE had initially proposed buying Alstom’s lucrative business for €12.35 billion, but following […]

  • THE BIG PICTURE: Levelized Cost of Electricity

    Levelized Cost of Electricity

  • New Options for Solar PV

    The global market for solar photovoltaic (PV) panels shows no signs of slowing down, with cumulative installed capacity expected to reach 700 GW and annual demand to pass 100 GW by 2020, according to GTM Research. This booming market has spurred manufacturers to introduce a variety of innovations intended to increase panel efficiency and reduce […]

  • Marooned: How Island Power Systems Keep the Lights On

    Largely dependent on imported fuel oil, many island systems must grapple with soaring electricity costs and reliability issues, in part because they are isolated and they don’t benefit from economies of scale. But some nations are seeking alternatives. It’s the same story all over the world. To fuel their economies and support growing populations, geographically […]

  • Turning Brownfields into Greenfields: From Coal to Clean Energy

    As the coal industry declines in many places around the world, can the mines it leaves behind be repurposed for cleaner energy projects that benefit multiple stakeholders, including local economies? Several existing and planned projects demonstrate that there may be multiple paths toward that transition. No question, the coal industry in Appalachia, the rest of […]

  • The Solar PV Economics Conundrum

    Will rooftop solar photovoltaics be the most economical way to deploy today’s hottest new generating technology, or will central utility solar PV systems be the best economic bet? Is there a third way? The answer appears to be “yes.” Solar photovoltaic (PV) power has emerged as the hottest new trend in renewable energy generation, primarily […]

  • Clean Power Plan in Federal Register Oct. 23, Clock Starts Ticking

    In a media briefing this morning on the Clean Power Plan, Janet McCabe, acting assistant administrator for the Environmental Protection Agency’s (EPA’s) Office of Air and Radiation made no announcement of major changes but did note that the final rule will be published in the Federal Register tomorrow, Friday, October 23. That publication starts the […]

  • DOE Finalizes $1B New Loan Guarantee Authority for Fossil Fuel, Renewables, and Energy Efficiency Projects

    The Department of Energy’s (DOE’s) authority to issue loan guarantees officially received a $1 billion boost, which will be split between its Advanced Fossil Energy Projects solicitation and Renewable Energy and Efficient Energy Projects solicitation.  The agency has finalized the additional loan guarantee authority that President Obama announced in August. It means that more loan […]

  • Seven Power Companies Sign Obama’s Climate Pledge, Commitments Include Retiring Coal

    Seven power producers have joined 74 other companies in signing on to the Obama administration’s American Business Act on Climate initiative, which is aimed at rallying U.S. companies behind the need for action on climate change ahead of international climate talks in Paris next month. The seven are Berkshire Hathaway Energy (BHE)—parent company of PacifiCorp, […]

  • New Wave of Coal Retirements Coming, ERCOT Warns

    The Clean Power Plan could force the retirement of up to 4 GW of coal-fired capacity in the region served by the Electric Reliability Council of Texas (ERCOT) starting as soon as 2022, an updated analysis suggests.  The independent system operator that manages about 90% of Texas’ electric load acknowledged that fewer coal units are […]

  • Scoping Out the Future of Battery Storage

    Battery storage has emerged from the fringes of the power sector to challenge both industry conventions and traditional generation. Where it goes from here, however—the future of battery storage technology—is a matter of some debate. Both storage firms and energy storage experts at the Energy Storage North America (ESNA) conference in San Diego Oct. 13-15 […]

  • Study: CAISO-PacifiCorp Grid Integration Could Bolster Reliability, Environmental Goals

    Integrating California Independent System Operator’s (CAISO’s) and PacifiCorp’s networks—the two largest high-voltage transmission grids in the West—could yield billions of dollars in shared cost reductions within the first 20 years alone through efficiencies, a new study says.  The report commissioned by PacifiCorp stems from a memorandum of understanding signed by the independent system operator (ISO) […]

  • Making the Case for Energy Storage Policy

    Energy storage needs better energy storage policy. Speaking at the Energy Storage North America (ESNA) conference in San Diego on Oct. 12, Garrett Fitzgerald, senior associate with the Rocky Mountain Institute (RMI), was frank about the challenge facing energy storage technologies: They’re starting to get well ahead of the regulatory regimes that are needed to […]

  • Five Power Plants to Change Hands in Four Separate Deals

    Within the space of less than a week, four deals have been announced that will result in ownership changes at five power plants in the U.S. Northeast. Calpine Buys Another Gas Plant Calpine Corp. announced on Oct. 13 that it has agreed to acquire the Granite Ridge Energy Center, a 745-MW combined cycle gas-fired power […]

  • Federal Court Stays WOTUS Rule

    A federal court last week granted a motion barring the U.S. Army Corps of Engineers and Environmental Protection Agency (EPA) from enforcing the Clean Water Rule, which critics say is “exceptionally expansive.” A three-judge panel at the U.S. Court of Appeals for the Sixth Circuit on Oct. 9 granted the stay sought by 31 states […]

  • Entergy to Permanently Close Troubled Pilgrim Nuclear Plant

    Entergy Corp. will permanently close its 680-MW Pilgrim nuclear power plant in Plymouth, Mass., by June 2019, owing to poor market conditions, reduced revenues, and increased operational costs, the company said today.  The New Orleans–based company said it has notified grid operator ISO-New England (ISO-NE) that the reactor that began operations in 1972 would not […]

  • Carbon Engineering Launches Novel Carbon Capture Pilot Project in Canada

    Alberta-based Carbon Engineering is inaugurating a pilot project today in Squamish, British Columbia, that will capture carbon dioxide (CO2) directly from the atmosphere. The company, funded by private investors, including Microsoft founder Bill Gates and oil sands financier Murray Edwards, has developed technology based on research conducted by Harvard University–based Professor David Keith’s research groups […]

  • Coal-Dependent India Announces Lofty, Costly Climate Action Goals

    India and 73 other countries submitted their carbon emission reduction targets for 2025 and 2030—or Intended Nationally Determined Contributions (INDCs)—ahead of the deadline last week, with just two months remaining until talks to confront climate change are due to begin in Paris.  The United Nations (UN) has so far received 120 separate pledges covering 147 […]

  • Behind-the-Meter Batteries Can Provide the Greatest Value, Study Says

    Battery energy storage has exploded in deployment over the past several years, but the majority of it by capacity, especially in North America, is deployed at grid scale. That may be a problem, because a new study from the Rocky Mountain Institute (RMI) suggests the greatest value to the system lies with behind-the-meter batteries—distributing battery […]

  • Xcel to Retire Two Units at Its Largest Coal-Fired Plant

    Xcel Energy said on Oct. 2 that the company would accelerate its transition from coal power to cleaner energy sources by retiring two units at its Sherburne County Generating Plant (Sherco) in Becker, Minn. The decision is part of the company’s strategy to cut carbon emissions 60% by 2030. The Sherco plant is Xcel’s largest […]

  • Geothermal Energy: Is New Technology Resetting the Agenda?

    After years of stressing the conventional virtues of geothermal power production—reliable, baseload renewable energy from geological sources—the geothermal industry and the U.S. government are looking at ways technology can change the hot rocks game and give a boost to an often-overlooked resource. Legendary venture capitalist Vinod Khosla, who made a pile of money in information […]

  • Largest OTEC Facility Inaugurated in Hawaii

    One of the world’s largest facilities that harvests energy from ocean temperature gradients began operation this August in Hawaii. The 100-kW ocean thermal energy conversion (OTEC) facility’s inauguration at the Natural Energy Laboratory of Hawaii Authority (NELHA) marks a significant milestone for the technology (Figure 1). One key aspect being tested at the facility is […]

  • Plans for Giant UK Offshore Wind Farms Reconsidered 

    In the UK this August, two massive offshore wind developments were thrown into tumult. A consortium that secured the UK government’s approval in early August to build an array of offshore wind farms in the Dogger Bank development off the east coast of Yorkshire said it would proceed with only four projects instead of the […]

  • High-Performance Synthetic Rope Allows Craneless Wind Turbine Blade Replacement

    Replacing blades on a wind turbine is not a simple task. Blades range from 40 to 60 meters in length and can weigh 16 tons or more. Combined with hub heights that can exceed 100 meters and locations that are, by definition, subject to prevailing winds, replacing blades becomes challenging. Add in the cost of […]