Water

ChatGPT & DALL-E generated panoramic image of a heavy, white fluid glugging out of a pipe

Dense Fluid Pumped Hydro Doesn’t Make Any Sense & A Mea Culpa

A recent online discussion on gravity storage brought the usual suspects out of the woodwork. Proponents of heavy fluid pumped hydro reared their sludgy heads this time. Follow along for why this is a silly idea, as all gravity storage options that aren’t pushing water uphill turn out to be. … [continued]

Doctoral student Mason Bichanich reviews and troubleshoots tidal turbine data at the University of New Hampshire’s Turbine Deployment Platform. Photo from Nicole Marone, UNH.

How Two Rookie Engineers Expertly Designed a Tidal Energy Turbine

The Turbine Will Collect and Share Data To Deepen Our Understanding of Tidal Energy To innovate in marine energy requires some extracurriculars: turning wrenches at the barge, conducting trial runs in the wave pool, and talking through ideas with a supportive team. All this appeals to University of New Hampshire … [continued]

ChatGPT and DALL-E generated image of one of the deeply stupid gravity energy storage nonsense ideas.

Gravity Storage 101, Or Why Pumped Hydro Is The Only Remotely Real Gravity Storage

In my recent article celebrating the great month that pumped hydro had, between the Loch Ness Red John facility selling to Statkraft, the UK finally settling on cap and floor for the technology and China having 365 GW of power and 4 to 8 TWh of energy storage under construction, … [continued]

Logo provided by World Ocean Day

It’s World Ocean Day — Join In The Climate Action & Protect Three-Quarters Of The…

World Ocean Day is observed on Saturday, June 8. It’s a tradition that the United Nations started celebrating in 2008, as managing ocean ecosystems for resilience is essential to a flourishing human population and global biodiversity. Towns and cities and organizations across the globe are commemorating World Ocean Day with … [continued]

The U.S. Department of Energy is investing in a new kind of flexible wave energy technology that could convert ocean waves into clean electricity and help power coastal communities, marine research, and even a future clean energy grid. Graphic by NREL.

Teams Selected for 2025 Hydropower & Marine Energy Collegiate Competitions

The U.S. Department of Energy’s Water Power Technologies Office (WPTO) last week announced the 36 teams selected to participate in the 2025 Hydropower Collegiate Competition (HCC) and Marine Energy Collegiate Competition (MECC), the largest cohort of teams to date. These annual competitions engage and educate students about real-world challenges facing these sectors and the … [continued]

Photo courtesy of Argonne National Laboratory.

Dual Harvest: Agrivoltaics Boost Food & Energy Production in Asia

Every autumn morning at an aquaculture site near the mouth of the Yellow River in China’s Dongying City, Shandong Province, farmers begin packaging shrimp for their customers. Their harvest is increasingly more bountiful thanks to an innovative way of farming that integrates renewable energy into agriculture. Here, solar photovoltaic (PV) … [continued]

Hoover Dam at Lake Mead. Courtesy of the U.S. Bureau Of Reclamation.

$179 Million for Innovative Water Reuse & Drought Resilience Projects from Investing in America Agenda

Large-scale water recycling projects will lead to more than 182,000 acre-feet of additional water supply, increasing resilience and water security across the West LOS ANGELES, California — The Department of the Interior today announced a $179 million investment through President Biden’s Investing in America agenda for innovative water reuse projects … [continued]