hydro

An air gap is the distance between the rotor and stator of a large-scale hydroelectric generator. This gap is a very small distance in relation to the size of the rotor. Its measurement to tight tolerances is critical to prevent damage to and maintain efficiency of the generator. Static measurement of the air gap (Figure […]

Hydroelectric power generation hit a 10-year high in Europe in 2024, while hydro growth in other regions—most notably China—kept the technology at the top of the list when it comes to global energy output from renewable resources. The International Hydropower Association (IHA) in its 2025 World Hydropower Outlook said hydro is playing a “stablizing role” in Europe and elsewhere when it comes to power supplies at a time of heightened concern about volatile markets and shifting policies around energy, particularly in the U.S.

Microgrids have grown in importance as the need for a reliable and resilient supply of power has grown. The technology has proven itself for a variety of commercial and industrial (C&I) enterprises, in both urban and rural areas where a source of off-grid—or in some cases grid-connected—energy is needed, whether a backup power or as a primary source of electricity.

A run-of-river hydro project on the St. Joseph River in downtown South Bend, Indiana, spearheaded by the University of Notre Dame, was one of the first ever in the U.S. to utilize the StreamDiver propeller

Pumped-storage hydropower is seen as a key technology in China to balance the grid and store excess energy from intermittent sources like wind and solar. The 1.2-GW Jinzhai pumped-storage project is a model

For many years, the National Hydropower Association has designated August 24 as National Hydropower Day in the U.S. In honor of the occasion, POWER is highlighting a variety of things many people may not know about hydropower. 1. The First Electricity Generated in the U.S. by Hydropower Was in 1880 People have been using water […]

Renewable energy technologies, including solar, wind, hydro, and battery energy storage systems (BESS), are at the forefront of the global energy transition. The U.S. and Latin America (LATAM) are witnessing significant advancements in these technologies, driven by geopolitical and economic trends. The International Energy Agency (IEA) projects a growth of electricity demand from 1,295 TWh […]

OSLO, Norway (June 15, 2023) — Hydro, a Norway-based company, has produced the world’s first successful batch of aluminium using green hydrogen as an energy source. The test is another step towards carbon-free aluminium. Carbon-free green hydrogen replaced natural gas as fuel for the recycling of aluminium during the test. The test was carried out […]

When you study the history of hydropower, you expect to learn about people like British-American engineer James Francis, who developed the first modern hydro turbine in 1849. A testament to his genius is that the Francis turbine continues to be the most widely used water turbine in the world today. Or you assume American inventor […]

Voith Hydro and STRUCINSPECT advance monitoring of hydropower civil structures Strong partnership between experienced equipment supplier and successful corporate start-up from Austria. Digital inspections lead to state-of-the-art digital infrastructure and lifecycle management. First hydropower facility monitoring currently underway in Scotland. HEIDENHEIM/VIENNA. Hydropower is the world’s largest source of renewable energy. In order to make the […]