Wind Industry Just Chalked Up Strongest First Quarter in 8 Years
America's wind power workforce installed 908 utility-scale turbines in the first quarter of 2017, totaling 2,000 megawatts (MW) of capacity. This is the wind industry's strongest start in eight years, according to a new report released Tuesday by the American Wind Energy Association (AWEA).
"We switched on more megawatts in the first quarter than in the first three quarters of last year combined," said Tom Kiernan, CEO of AWEA, in releasing the U.S. Wind Industry First Quarter 2017 Market Report. "Each new modern wind turbine supports 44 years of full-time employment over its lifespan, so the turbines we installed in just these three months represent nearly 40,000 job years for American workers."
The early burst of activity reflects how 500 factories in America's wind power supply chain and more than 100,000 wind workers are putting stable, multi-year federal policy to work. The industry is now in year three of a five-year phase-down of the Production Tax Credit, and Navigant Consulting recently forecast a strong 2017 for wind power, similar to 2015 and 2016.
New wind turbine installations in the first quarter spanned the U.S. from Rhode Island and North Carolina to Oregon and Hawaii. Great Plains states Texas (724 MW) and Kansas (481 MW) led the pack.
Texas continues as the overall national leader for wind power capacity, with 21,000 MW installed, enough to power more than five million average homes. North Carolina became the 41st state to harness wind power, bringing online the first wind farm to be built in the Southeast in 12 years.
Horace Pritchard, one of nearly 60 landowners associated with the North Carolina project, explained what it means to him and his neighbors: "Farms have been growing corn, soybeans and wheat for a long time here, and the wind farm revenue means a lot of families are protected from pricing swings, floods or droughts going forward. We're just adding another locally-grown crop to our fields, with very little ground taken out of production, and the improved roads really help with access. So it's a great fit here."
Expanding wind farms continue to benefit rural America, since more than 99 percent of wind farms are built in rural communities. According to AWEA's recently released 2016 Annual Market Report, wind now pays more than $245 million per year in land-lease payments to local landowners, many of them farmers and ranchers.
Along with rural benefits, American wind manufacturing facilities remain busy in the first quarter as projects continue to be built. With 4,466 MW in new construction and advanced development announcements recorded in the first quarter, the near-term pipeline has reached 20,977 MW of wind capacity. That's about as much as the entire Texas wind fleet's existing capacity.
Demand remained strong in the first quarter. There were 1,781 MW signed in long-term contracts for wind energy, the most in a first quarter since 2013. Utilities and Fortune 500 brands frequently use these long-term contracts, called Power Purchase Agreements (PPAs), to purchase wind energy. Home Depot and Intuit, maker of TurboTax, both signed up for wind power this quarter, joining a host of Fortune 500 companies like GM, Walmart, and Microsoft that are buying wind energy for its low, stable cost.
In addition to leading brands, low-cost wind power reliably supplies a growing number of cities, universities, and other organizations—including the Department of Defense. This quarter, a Texas wind farm came online to supply a PPA with the U.S. Army. Powering a military facility demonstrates that wind power is ready to reliably serve our most vital electricity needs, boosting American energy security in more ways than one.
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By Katherine Kornei
Clear-cutting a forest is relatively easy—just pick a tree and start chopping. But there are benefits to more sophisticated forest management. One technique—which involves repeatedly harvesting smaller trees every 30 or so years but leaving an upper story of larger trees for longer periods (60, 90, or 120 years)—ensures a steady supply of both firewood and construction timber.
A Pattern in the Rings<p>The <a href="https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/coppice-standards-0" target="_blank">coppice-with-standards</a> management practice produces a two-story forest, said <a href="https://www.researchgate.net/profile/Bernhard_Muigg" target="_blank">Bernhard Muigg</a>, a dendrochronologist at the University of Freiburg in Germany. "You have an upper story of single trees that are allowed to grow for several understory generations."</p><p>That arrangement imprints a characteristic tree ring pattern in a forest's upper story trees (the "standards"): thick rings indicative of heavy growth, which show up at regular intervals as the surrounding smaller trees are cut down. "The trees are growing faster," said Muigg. "You can really see it with your naked eye."</p><p>Muigg and his collaborators characterized that <a href="https://ltrr.arizona.edu/about/treerings" target="_blank">dendrochronological pattern</a> in 161 oak trees growing in central Germany, one of the few remaining sites in Europe with actively managed coppice-with-standards forests. They found up to nine cycles of heavy growth in the trees, the oldest of which was planted in 1761. The researchers then turned to a historical data set — more than 2,000 oak <a href="https://eos.org/articles/podcast-discovering-europes-history-through-its-timbers" target="_blank" rel="noopener noreferrer">timbers from buildings and archaeological sites</a> in Germany and France dating from between 300 and 2015 — to look for a similar pattern.</p>
A Gap of 500 Years<p>The team found wood with the characteristic coppice-with-standards tree ring pattern dating to as early as the 6th century. That was a surprise, Muigg and his colleagues concluded, because the first mention of this forest management practice in historical documents occurred only roughly 500 years later, in the 13th century.</p><p>It's probable that forest management practices were not well documented prior to the High Middle Ages (1000–1250), the researchers suggested. "Forests are mainly mentioned in the context of royal hunting interests or donations," said Muigg. Dendrochronological studies are particularly important because they can reveal information not captured by a sparse historical record, he added.</p><p>These results were <a href="https://www.nature.com/articles/s41598-020-78933-8" target="_blank">published in December in <em>Scientific Reports</em></a>.</p><p>"It's nice to see the longevity and the history of coppice-with-standards," said <a href="https://www.teagasc.ie/contact/staff-directory/s/ian-short/" target="_blank">Ian Short</a>, a forestry researcher at Teagasc, the Agriculture and Food Development Authority in Ireland, not involved in the research. This technique is valuable because it promotes conservation and habitat biodiversity, Short said. "In the next 10 or 20 years, I think we'll see more coppice-with-standards coming back into production."</p><p>In the future, Muigg and his collaborators hope to analyze a larger sample of historic timbers to trace how the coppice-with-standards practice spread throughout Europe. It will be interesting to understand where this technique originated and how it propagated, said Muigg, and there are plenty of old pieces of wood waiting to be analyzed. "There [are] tons of dendrochronological data."</p><p><em><a href="mailto:email@example.com" target="_blank" rel="noopener noreferrer">Katherine Kornei</a> is a freelance science journalist covering Earth and space science. Her bylines frequently appear in Eos, Science, and The New York Times. Katherine holds a Ph.D. in astronomy from the University of California, Los Angeles.</em></p><p><em>This story originally appeared in <a href="https://eos.org/articles/tree-rings-reveal-how-ancient-forests-were-managed" target="_blank">Eos</a></em> <em>and is republished here as part of Covering Climate Now, a global journalism collaboration strengthening coverage of the climate story.</em></p>
Earth's ice is melting 57 percent faster than in the 1990s and the world has lost more than 28 trillion tons of ice since 1994, research published Monday in The Cryosphere shows.
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Noreen Nunez lives in a middle-class neighborhood that rises up a hillside in Trinidad's Tunapuna-Piarco region.