Renewables

Power generation technology, project, and policy developments in wind, solar, geothermal, hydro, tidal, ocean, biomass, and waste-to-energy systems.


THE BIG PICTURE: Wind Turbine Trends
THE BIG PICTURE: Wind Turbine Trends

Average wind turbine capacity, rotor diameter, and hub height increased in 2017, continuing a long-term trend. One reason that wind producers choose bigger turbines is to optimize wind power project…


Novel Floating Power Plants on the Horizon
Novel Floating Power Plants on the Horizon

For decades, floating power plants have been used widely as a source of flexible, decentralized power generation for several reasons. Among them are that they can be built cost-effectively and…


Eliminate Transient Vacuums by Air Injection
Eliminate Transient Vacuums by Air Injection

Most operators know that air should be kept out of a heat exchanger’s cooling water supply line. Air can collect in pockets and block flow, increasing velocities, increasing system resistance,…