Renewables

  • Environmental Experts Underscore Clean Power Plan Uncertainty

      Even if the Clean Power Plan (CPP) doesn’t overcome legal challenges, it is likely that many states will implement carbon-curbing measures set down by the rule, some panelists said at the Environmental Mega Session at the ELECTRIC POWER 2016 conference in New Orleans on April 19. The Rule’s Shaky Legal Standing The rule is […]

  • Senate Passes Comprehensive Energy Bill, Future Uncertain

    By an 85-12 vote, the U.S. Senate passed the first comprehensive energy bill in nearly a decade, bringing a successful conclusion to months of legislative effort and overcoming a series of roadblocks in the full Senate related to the water quality crisis in Flint, Mich. The product of more than a year of bipartisan work […]

  • Resilience and Change in a Digital Future

    Two senior power sector executives opened the 2016 ELECTRIC POWER Conference and Exhibition in New Orleans April 19 with a message that generators need to “think big” and embrace possibilities of disruptive technologies—or risk being run over on the road to the future. Leo Denault, chairman and CEO of Entergy Corp., delivered the opening keynote […]

  • House, Senate Subcommittees Pass Energy Appropriations Bills

    Subcommittees of the U.S House of Representatives and the U.S. Senate separately advanced appropriations bills that lay out funding priorities for the Department of Energy (DOE) and other energy-related measures for 2017. The House Energy and Water Subcommittee, a panel of the Appropriations Committee, passed a $37.4 billion bill to fund the DOE as well […]

  • Peabody, Optimistic About Coal’s Future Stability, Seeks Bankruptcy Protection

    Financially bruised Peabody Energy Corp.—the world’s largest privately owned coal mining firm—is seeking bankruptcy protection. The St. Louis–headquartered company filed for voluntary Chapter 11 protection in a desperate attempt to strengthen liquidity and reduce debt amid what it says has been an “unprecedented industry downturn.” It filed petitions for most of its U.S. entities in […]

  • Aliso Canyon Gas Leak May Imperil Summer Reliability, CAISO Says

    In a joint report issued April 5, a group of California agencies and utilities said that if the Aliso Canyon natural gas storage facility north of Los Angeles cannot be returned to service after a major leak this past winter, repeated gas curtailments could occur this summer, leading to significant loss of generating capacity in Southern […]

  • Why Russia’s Largest Independent Power Company Built a Solar Facility in Siberia

    One of Russia’s largest solar photovoltaic (PV) facilities has been grid-connected in Abakan, located in the Republic of Khakassia. The Khakass capital in central Russia just north of Mongolia, historically

  • China Overtakes EU’s Wind Installations

    China has edged past the European Union (EU) in terms of total installed wind capacity, with 145.1 GW to the EU’s 141.6 GW. This means that China, which erected a stunning 30.5 GW in 2015—nearly half of

  • Vattenfall Completes World’s First Decommissioning of an Offshore Wind Farm

    Vattenfall has dismantled five offshore wind turbines—with a total capacity of 10 MW—at the Yttre Stengrund wind farm in Kalmar Sound, Sweden. The month-long decommissioning project was the first in the

  • First Turbine Deployed at French Tidal Power Farm

    The first of two 500-kW OpenHydro tidal turbines has been successfully deployed at French utility EDF’s much-watched Paimpol-Bréhat tidal project, which is under construction in North Brittany, France. When

  • New Quality Assurance Program Launched for Wind Turbine Blades

    Blades are probably the most delicate part of a wind turbine and the most susceptible to accidental damage. Some estimates suggest that greater than 90% of wind turbine blades are damaged to some degree while

  • Leveraging Drones and Robots for O&M Savings

    If you’re still thinking of drones and robots as more toy than tool, think again. The drones now working in the power sector have gone far beyond remote-control hobbies and now resemble something closer to

  • Solar PV O&M Best Practices in a Rapidly Changing Market

    In 2000, the world had installed just 1 GW of solar photovoltaic (PV) capacity (in DC terms—see the sidebar, “AC or DC?”), a number that had surged to 39 GW by 2010 and 176 GW in 2014. Fueled by

  • Weighing Costs and Benefits in Hydropower Maintenance and Upgrade Decisions

    Although other renewable sources of energy may be growing at a faster rate, more electricity continues to be generated in the U.S. by conventional hydropower than by wind, solar, and geothermal power combined

  • New Plant Design Options Expand Geothermal Power Operations

    Geothermal technology, though over a century old, is constantly changing. Developments in mapping techniques have improved exploratory practices. Plant adaptations, such as hybrid technologies and the

  • Bankruptcy Shadows Two High-Profile Solar Companies

    Two renewables giants with a hefty global reach are facing debilitating financial crises. SunEdison on the Verge of Bankruptcy California-headquartered solar project developer SunEdison, a company that has 1,000 operational sites worldwide and is staffed by 3,000 employees, is facing a liquidity crisis so dire, the company’s yieldco TerraForm Global warned in a March 29 […]

  • Edison Moves Toward Energy as a Service

    Edison International, parent company of Southern California Edison (SCE), announced on March 29 that it’s launching a new business unit called Edison Energy that will provide energy consulting services to large energy consumers across the country to help them in identifying and exploiting opportunities to lower energy costs, reduce complexity of energy management, and meet […]

  • Clean Power Plan Backers Petition Court in Support of EPA

    A diverse coalition of major investor-owned utilities, public power authorities, and one of the largest independent power producers, as well as a combination of cities and states, clean energy groups, and environmental groups, filed briefs with the D.C. Circuit Court of Appeals in support of the Environmental Protection Agency’s (EPA’s) Clean Power Plan. The involved […]

  • EEI Gets Pushback on Proposed Rebranding of Utility Solar

    The Edison Electric Institute has come under fire for a new communications plan that was intended to depict utilities as more community-minded.

  • D.C. Regulators Approve Exelon-Pepco Merger

    Exelon’s acquisition of Pepco Holdings was approved March 23 as the District of Columbia Public Service Commission approved the deal by a 2-1 vote.

  • Is Nuclear Energy “Toast”?

    “My sense as I speak to you here today is that nuclear energy is toast,” said New York Times Reporter Eduardo Porter, as he opened a panel discussion titled “Nuclear Energy and the Clean Energy Future” held at the New York University School of Law on March 23. “Despite the challenge from climate change that […]

  • Briefs: States Act on EPA Clean Power Plan Measures Despite Uncertainty

    Over the past week, several states took action on the Clean Power Plan as Senate Majority Leader Mitch McConnell (R-Ky.) urged governors to “wait and see” on the carbon rule, and the Environmental Protection Agency’s (EPA’s) chief defended the rule. McConnell Urges Governors to Halt Compliance Work. In a March 21 letter to the National […]

  • Emerging Microgrid Business Models

    Whether utilities, technology providers, or independent third-party upstarts are best suited to create a reliable recipe for microgrid development remains an open question.

  • Microgrid Development Lessons Learned

    Although new microgrid configurations, technologies, and business models are still evolving in the U.S., some lessons have been learned in the past few years. Aside from the fact that financing nontraditional/non-campus microgrids is hard, if there’s one overarching lesson, it’s that a microgrid designed to provide only one benefit or rely on only one generation source is unlikely to succeed.

  • Rise of Populist New Right Party AfD May Trump Germany’s Energiewende

    On March 13, three of Germany’s 16 states held regional elections that were largely seen as a referendum on Chancellor Angela Merkel’s increasingly controversial refugee policies as well as the waning importance of energy and climate policies. Perhaps the biggest challenger and winner in this election was the far right, those against both the Energiewende […]

  • Oregon Legislature Passes Bill to Eliminate Coal from State Power Supply

    The Oregon Senate passed a bill on March 2 that will require electric companies in the state to eliminate coal-fired resources from their electrical supplies by January 1, 2030. The bill—which passed in the senate by a 17–12 vote—had already been passed by the Oregon House of Representatives (38–20). It now heads to Gov. Kate […]

  • Solar PV Capacity Factors a Mix of Insolation and Design

    Utility-scale solar photovoltaic (PV) generation has exploded over the past few years. From nearly nothing in the late 2000s, the U.S. now has more than 10 GW of utility-scale solar PV in operation according to the Energy Information Administration. That figure should continue to grow strongly because of the recent extension of the investment tax […]

  • Belo Monte Hydro Plant Stunned, Revived Again

    Legal battles to stall the 11-GW Belo Monte hydroelectric dam—being built on the Xingu River in Amazon forest for one of the world’s largest power plants—are raging on in Brazil (Figure 1). In January

  • Germany’s Energiewende at a New Turning Point

    Germany’s Energiewende (energy transition) was adopted as policy beginning in September 2010, some six months before the disaster at Japan’s Fukushima nuclear plant, and full legislative support was