Category Archives: Energy Storage

IEEFA Analysis: 15.4 GW of coal-fired capacity will close this year

Kentucky coal plant to close, latest among accelerating shutdowns
By Robert Walton, Utility Dive

Source: Institute for Energy Economics and Financial Analysis (IEEFA)

Coal-fired generators continue to close down, and Henderson’s power plant is only the most recent example. According to the Sierra Club, the plant is the 277th coal generator to close since 2010. And new research finds closures are accelerating.

The Institute for Energy Economics and Financial Analysis (IEEFA) on Thursday released an analysis estimating 15.4 GW of coal-fired capacity will close this year, including 44 units at 22 plants. This year at least 11 GW have retired and the final tally is predicted to eclipse the previous record of 14.7 GW retired in 2015. IEEFA estimates another 21.4GW of coal-fired capacity will close over the next six years. Read more here.

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Advocates seek bigger role from large companies on grid planning

Written by Karen Uhlenhuth, Energy News Network

The Wind Solar Alliance, a Washington, D.C., nonprofit that advocates for renewable energy, says while American companies and other large customers have expressed a wish for lots of renewable power, and while lots of wind projects are planned to fulfill those wishes, there is a shortage of power lines to get the electricity where it needs to be. A solution, according to Kevin O’Rourke, the director of public affairs for the Alliance, is for corporate customers to lobby their regional transmission organizations (RTOs) to plan transmission lines that will allow corporate customers to move towards renewable generation. Read more here.

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NEW U.S. AIR FORCE SOLAR PROJECTS

Iowa, already a leader on wind, looks to take the next steps on storage

By Karen Uhlenhuth, Midwest Energy News

State officials see huge potential for batteries to help make the most of its wind and solar generation, and they hope to test it with a new grant-funded project. The Iowa Economic Development Authority has awarded a $200,000 grant to support research into the workings of two large solar-plus-storage projects by Fairfield-based Ideal Energy. Ideal will gather information about how the systems work and share it with a team of researchers at Iowa State University who will analyze it. Read more here.

Related: Iowa solar installer using storage to help customers avoid costly demand charges

Photo by Ideal Energy

ALSO WRITTEN  BY KAREN UHLENHUTH

 


Nebraska tribe to double solar capacity after landing federal grant

 

 


Nebraska tribe becomes a solar power leader on the Plains

 

 


Omaha hotel is first project financed with Nebraska’s PACE legislation

Kearney Hub Opinion: Storage new frontier in race for clean energy

The city of Norfolk is fixing to one-up Kearney on the solar energy front, and we wish Norfolkans the best of luck. Earlier this week, the northeast Nebraska city entered an agreement with Nebraska Public Power District on a venture to build a sizable solar array and link it to an energy storage system. It doesn’t appear as if Norfolk’s array will rival Kearney’s in size, but the size of the system isn’t nearly as important as its ability to successfully plow new ground in the development of green energy. Continue reading here.

Photo: Kearney’s $11 million, 53-acre solar farm, currently the largest in the state.

ALSO OF POTENTIAL INTEREST: NEBRASKA / MIDWEST NEWS

Colorado approves Xcel plan to retire coal, shift to renewables and storage

By Catherine Morehouse, Utility Dive

Colorado’s Public Utility Commission (PUC) voted unanimously on Monday to give preliminary approval to Xcel Energy’s Clean Energy Plan, which would see the utility close 660 MW of coal-fired generation a decade earlier than scheduled and shift to renewable resources. Under the plan, Xcel will close units 1 and 2 at the Comanche Generating Station in Pueblo and invest $2.5 billion in renewable energy and battery storage. The utility expects the plan to save ratepayers $213 million. In January, the utility solicited notably low bid prices for wind-plus-storage, $21/MWh, as well as $36/MWh for solar-plus-storage, some of the lowest bids for renewable energy plus storage on record. Read more here.

Image credit: Flickr; Energy.gov

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ADDITIONAL RECOMMENDED READING

Minnesota community solar reaches 400 MW milestone

Study: Using EVs Instead of Stationary Batteries Could Save Billions

Guest Post, Microgrid Knowledge

NRDC’s Pamela MacDougall and Vignesh Gowrishankar report on new energy storage research that indicates that using EVs for grid storage instead of stationary batteries could save electricity customers billions of dollars.

study recently published by researchers at the Lawrence Berkeley National Laboratory (LBNL) shows that the electric vehicles (EVs) expected in California in 2025 could be used to meet the majority of the Golden State’s energy storage mandate that calls for 1.3 gigawatts (GW) of battery capacity by 2024. In fact, EVs can accomplish this both reliably and at about one-tenth the cost of stationary energy storage approaches. This level of storage could power nearly one million average homes, at least for a short while. That EVs can be this valuable to the grid is a hugely significant finding. Read more here.

Image Credit: Jessica Russo, Natural Resources Defense Council (NRDC)

 ALSO PUBLISHED BY MICROGRID KNOWLEDGE

$1.6 million 2 megawatt energy storage unit project in South Sioux City

Posted by Hannah Norton, Multimedia Journalist, KTIV

Click image to watch video. 

The South Sioux City Council has applied to the State of Nebraska for funding that would go toward a two-megawatt energy storage unit to ensure lower rates on the utility bills of residents. Here’s how it all works: Read more here.

NextEra expects storage to add half a cent to solar in mid-2020’s

By Christian Roselund, PV Magazine USA

1.5 cents per kilowatt-hour. That’s how much NextEra Chief Financial Officer (CFO) Jim Ketchum estimates that batteries have added to the cost of solar and wind projects that the company has built over the last six to 12 months, as revealed in the company’s second quarter results call yesterday. But that’s not all. Ketchum further added that he expects this cost to fall to around half a cent per kilowatt-hour in the middle of the next decade. Read more here.

Photo Credit: NextEra Energy Resources

IN NEBRASKA

NextEra is developing OPPD’s 5-megawatt solar project in the Fort Calhoun area. Would adding storage be an economical option in the near-term? Omaha World-Herald news stories about the solar project:

New ILSR Report & Q&A With John Farrell: A Solar Power & Energy Storage Revolution Is Upon Us

By Jake Richardson, CleanTechnica

new report from the Institute for Local Self-Reliance describes some of the implications of the growing solar power and energy storage trend as it relates to the current, centralized utility-based electricity distribution model. Because solar and energy storage can be cost competitive with grid electricity prices in some places, consumers now have an alternative to only using utility-based electricity. Report author John Farrell answered some questions for CleanTechnica.

Continue here.