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Grid reliability under climate change may require more power generation capacity

December 3, 2019

NSF-funded researchers are using a new modeling approach for infrastructure planning of a long-term electricity grid that considers future…
Image credit: Pxhere, CC0 Public Domain
Climate impact of hydropower varies widely

November 28, 2019

Hydropower is broadly considered to be much more environmentally friendly than electricity generated from fossil fuels, and in…
The World’s Energy Storage Powerhouse

November 1, 2019

Study finds that pumped-storage hydropower offers a low-cost, high-efficiency option for shifting high volumes of energy. Today, nearly…
Making the Blade Grade: Team Evaluates Steel against Composites for Turbines

March 27, 2019

Computation, lab-scale turbine reveals composite blades may generate more power but require higher hydraulic heads. Roughly 160 of…
PNNL tech serves as fish body double

January 9, 2019

Hundreds of surrogate “fish” will be put to work at dams around the world through an agreement between…
Droughts boost emissions as hydropower dries up

December 27, 2018

When hydropower runs low in a drought, western states tend to ramp up power generation – and emissions…
Columbia River electric generation in 2018 remains normal despite above-normal water flow

October 3, 2018

During the 2018 water year that ends September 30, 2018, The Dalles Dam in the Pacific Northwest experienced above-normal inflow—water…
A whirlpool turbine that can power up to 60 homes

March 22, 2018

Have you ever wanted to install a micro hydro power plant at your home? Of course, you need…
Small hydroelectric dams increase globally with little research, regulations

January 24, 2018

Hydropower dams may conjure images of the massive Grand Coulee Dam in Washington state or the Three Gorges…
Hydroelectric generation in Montana recovers from last summer’s flash drought

January 23, 2018

Montana experienced exceptionally hot and dry conditions last summer, which resulted in wildfires and a flash drought—an unpredictable…
Record precipitation, snowpack in California expected to increase hydro generation in 2017

March 24, 2017

For the first time since 2011, California’s drought is significantly weakening—a result of one of the wettest winters…
U.S. wind generating capacity surpasses hydro capacity at the end of 2016

March 7, 2017

Installed wind electric generating capacity in the United States surpassed conventional hydroelectric generating capacity, long the nation’s largest…
The world’s nine largest operating power plants are hydroelectric facilities

October 19, 2016

An estimated 62,500 power plants are operating around the world, with a total installed generating capacity of more…
Powered for life: Self-charging tag tracks fish as long as they swim

September 27, 2016

Long-living sturgeon, eels, lamprey could be tracked for decades With each swish of a tail, scientists now have…
New technology could improve use of small-scale hydropower in developing nations

July 1, 2016

Engineers at Oregon State University have created a new computer modeling package that people anywhere in the world…
Beyond China, other Southeast Asian countries plan for significant hydroelectric additions

October 30, 2015

China’s substantial development of hydroelectric power, including the largest power plant in the world at Three Gorges Dam,…
California’s continued drought, reduced snowpack mean lower hydropower output

April 10, 2015

Earlier this month, California Governor Jerry Brown enacted mandatory water restrictions for the first time in the state’s…
California drought leads to less hydropower, increased natural gas generation

October 7, 2014

The drought in California continues to increase in severity since California’s governor declared a state of drought emergency…
Simulation models optimize water power

August 6, 2014

The Columbia River basin in the Pacific Northwest offers great potential for water power; hydroelectric power stations there…
Andritz to manufacture stator coils for NA hydropower market in Peterborough

February 24, 2014

Andritz Hydro of Austria, one of the world’s leading suppliers of technology and services for hydroelectric stations, is…
Current drought reduces hydro generation forecast for California

February 10, 2014

Forecasts for the water supply at nearly every major water gauge in the states of California and Nevada…
Seafloor carpet catches waves to generate energy

January 30, 2014

What do champion surfers who gathered at last week’s Mavericks Invitational have in common with a UC Berkeley…
Optimization Modeling Helps Control Electricity Supply Continuity in Brazil

November 19, 2013

For boaters, fisherman and others, a lake filled with water is an opportunity for recreation. But for an…
Pumped hydro energy storage – making better use of wind

October 8, 2013

In late September, the Australian Energy Market Operator (AEMO) released a report investigating how wind can better be integrated…
Hydraulic chamber tests fish survival

September 23, 2013

Australia’s native fish could stand a better chance of survival when passing through hydropower turbines in major waterways…
Sediment trapped behind dams makes them ‘hot spots’ for greenhouse gas emissions

August 1, 2013

With the “green” reputation of large hydroelectric dams already in question, scientists are reporting that millions of smaller…
Pumped storage provides grid reliability even with net generation loss

July 9, 2013

Pumped hydro storage plants serve an important role on electric power systems: they improve system-wide efficiency and reliability by…
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