Non-destructive testing is a broad category of inspection methods that technicians use to highlight cracks, corrosion, and irregularities that are too small to see with the naked eye but nonetheless can compromise the integrity of gears, bearings, blades, and other structural pieces that make up wind turbines.
Utilities know their larger corporate customers want clean energy to fulfill their sustainability goals and help their bottom line. Rather than contracting directly with developers, many corporations are finding a new way forward through so-called “Green Tariffs” designed by the utilities themselves.
The global wind turbine fleet, which, according to data from the Global Wind Energy Council, currently stands at about 341,000, faces an important reality as the years go by – many of its units are getting old.
While it is still early days for steel in the water, the U.S. offshore wind industry is ripe with activity. As of April 2018, there were 30 active offshore wind sites in the U.S. with three very close to beginning construction.
Distribution grid operators are concerned that high penetration of connected distributed energy resources (DERs) could lead to grid instability and create outages at end-user sites, such as commercial buildings or industrial plants. “Today, we don’t fully understand grid behavior under varying DER conditions."
There’s a modern-day land rush afoot in the U.S. but it’s not for ocean-front property or parcels with panoramic mountain views. This land rush involves utility-scale solar developers hunting for the ideal locations to place acres and acres of solar.
Blockchain technology, and the variety of accompanying cryptocurrencies and tokens, appears to be a 21st century gold rush, replete with miners and speculation, and opening a new virtual frontier. Like the California Gold Rush, blockchain is luring villains as well as heroes, and fraudsters as well as entrepreneurs.
Pairing renewables with diesel and gas-fired generators to power remote and hard-to-access regions all over the world is rising trend for 2018 and beyond.