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  • NREL to probe wind turbine wakes in bid to improve designs and efficiency

    Researchers at the National Renewable Energy Laboratory (NREL) will launch an international, multi-institutional wind energy field campaign called the American WAKE experimeNt (AWAKEN). Funded by the U.S. Department of Energy (DOE) Wind Energy Technologies Office, the study is intended to amass a dataset on wind energy atmospheric phenomenon, including wakes, that can cost the average wind…

  • Nevada regulators green-light sale of Primergy solar+storage project

    The Public Utilities Commission of Nevada approved the sale of the Iron Point and Hot Pot Solar PV and battery storage projects in Humboldt County, Nevada, northeast of Reno. Primergy Solar owns and is developing the projects, which include 600 MW of solar paired with 480 MW of battery storage capacity. Battery chemistries were not…

  • Partners advance FTM energy storage project in New York

    Energy storage services provider Stem Inc. said it will provide smart energy storage services to NineDot Energy, a cleantech developer that designs and deploys community distributed energy generation and storage projects. The projects include six front-of-the-meter (FTM) standalone energy storage sites in Staten Island, New York, that represent more than 110 MWh. The portfolio is…

  • EDP Renewables repowers wind farm with 2 MW turbines

    EDP Renewables North America said it finished a repowering project at the Blue Canyon II Wind Farm in Carnegie, Oklahoma. The company said 73 of Blue Canyon II’s 84 turbines were repowered, along with each turbine’s nacelle, blades and top tower section. The turbines were upgraded from V80 1.8 MW machines to V110 2 MW…

  • Three reasons why MISO and SPP must jointly plan the transmission system

    At the January 11 policy meeting, SPP staff explained their rationale to skip an economic planning cycle in favor of reliability planning studies due to the potential for misalignment of planning assessments in 2025. MISO had seen this before and did the same thing, skipping the 2020 “futures” assessment cycle in favor of 2021 futures.…

  • Sunpower will replace faulty connectors on C&I solar arrays

    Sunpower said it may have to spend as much as $31 million to replace faulty connectors on an unspecified number of commercial and industrial (CIS) solar arrays. Analyst firm Roth Capital Partners estimated that as many as 1,000 sites representing around 9 MW of installed capacity could be affected. In a statement, Sunpower said that…

  • Evidence grows that global solar supply chains are diversifying

    More than a year after global solar energy markets were rocked by credible allegations of forced labor’s use in parts of in China, evidence is mounting that supply chains are diversifying away from those conflict regions. The shift is being aided in part by growing global demand for solar energy equipment. New sources of supply…

  • Here’s how pumped hydro works as an energy storage resource

    Batteries get hyped, but pumped hydro provides the vast majority of long-term energy storage essential for renewable power By Andrew Blakers, Australian National University; Bin Lu, Australian National University; and Matthew Stocks, Australian National University. This article is republished from The Conversation under a Creative Commons license. Read the original article. To cut U.S. greenhouse…

  • MidAmerican plans to add 2 GW of wind energy resources in Iowa

    MidAmerican Energy said it plans to to spend $3.9 billion to add more than 2 GW of wind energy and 50 MW of solar generation in Iowa. The company also proposed feasibility studies to look at other clean generation technologies, including carbon capture, energy storage and small modular nuclear reactors. The company said that since 2004,…

  • Burns & McDonnell completes 60 MWh energy storage project in West Texas

    Engineering consulting firm Burns & McDonnell completed construction of three 10 MW/20 MWh lithium-ion battery energy storage systems in West Texas. Last May, the company was selected by LG Energy Solution and Sustainable Environmental Renewable (SER) Capital Partners to provide engineer-procure-construct (EPC) services for the projects, which consist of LG Chem battery racks populated with JH3 and…