The city of Burlington, largest in the Green Mountain State, is the only city in the U.S. to provide electricity from entirely renewable sources, notwithstanding criticism from some environmentalists. PBS Newshour Weekend investigates.
Burlington, population 42,000, "recently announced that it now produces or gets more power than its citizens use," states William Brangham, producer, cameraman and correspondent for PBS NewsHour Weekend. "And it’s all coming from renewable sources of energy like wind and solar and hydroelectric."
Taylor Ricketts, professor of Environmental Science at the University of Vermont, "says Burlington has shown that cities can play a role in addressing our dependence on burning fossil fuels, which is the principal driver of climate change," states Brangham.
"(T)here’s no silver bullet to fix climate change," states Ricketts. "It’s gonna be a million individual solutions from all over the place."
Ken Nolan of Burlington Electric, the local utility company, states that their financial analysis revealed "that the cheapest, long term financial investment for us with the least amount of risk was to move (toward 100 percent renewables.)"
Nolan says that switching from fossil fuel energy to renewable energy will likely save the city about $20 million dollars over the next two decades. What’s more, Burlington’s (electric) rates haven’t increased since 2009.
So, what's their secret sauce? Below text refers to accompanying video:
- One third biomass: burning "scrap wood from across Vermont, use the heat to make steam, and thus generate electricity." Brangham indicates that the smoke being emitted is water vapor.
- "Another 20% or so is sourced from wind turbines like these on the hills of a neighboring town,
- "and solar arrays like this one at the airport add another small amount to their total.
- "But the biggest portion of the city’s renewable production comes from hydropower… some they source from other places, like this older hydroelectric dam in Maine, some they produce at their own plant on the Winooski river [sic]."
It's the older hydropower that Sandra Levine, senior attorney at New England's Conservation Law Foundation, objects to, claiming that the old Maine hydro plant "shouldn't be considered as green as brand new, wind and solar facilities."
Others in the environmental community, such as EcoWatch, Inside Climate News and the Natural Resources Defense Council would likely point to the biomass plant. All three sources write about the release of an April, 2014 study by the Partnership for Policy Integrity claiming that biomass plants can be more polluting than coal plants.
However, biomass plants are classified as producing renewable power by the Department of Energy.
According to the Energy Information Administration (EIA), 53% of all renewable energy consumed in the United States was biomass-based in 2007
In summary, according to Professor Ricketts, any city can replicate Burlington's path to transitioning to relying on 100 percent renewables. "It was just a bunch of decisions made over ten years or more, to get towards renewable energy," he states.
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