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California tries to capture offshore wind energy; Proposal off Morro Bay looks for approval 

Credit:  By Rob Nikolewski | The San Diego UnionTribune | June 16, 2016 | www.sandiegouniontribune.com ~~

Offshore wind farms are finally coming to the United States but don’t expect to see spinning blades off the shores of California any time soon.

While the industry predicts a clean-energy bonanza from the West Coast’s steady and powerful breezes that may go a long way to help the state meet its ambitious clean energy mandates, reaping the wind must first overcome a whirlwind of technological, economic and political challenges.

So far, just one company, Trident Winds LLC, has applied for a lease to construct an offshore facility in California.

But the Seattle-based company has laid out plans for a wind farm that would dwarf offshore sites proposed along the East Coast or the Great Lakes.

“Oceans present the largest amount of renewable energy to the planet,” said Alla Weinstein, founder of Trident Winds, which wants to place its wind farm off the coast of Morro Bay, along the Central Coast.

The company is targeting 2025 as its startup date.

That’s nine years beyond the expected debut this fall of the country’s first offshore wind project, the Block Island Wind Farm off the coast of Rhode Island.

Other projects are expected to follow, in places such as Virginia, New Jersey and Cleveland – yes, Cleveland.

Why is the Golden State, a place so proud of its renewable energy record, lagging behind the rest of the country when it comes to offshore wind?

Blame the Pacific Ocean and its underwater terrain.

Unlike the Atlantic Ocean, where offshore wind farms can be bolted into the seabed in relatively shallow water, the West Coast’s continental shelf plunges quickly and steeply.

That leaves just one other option: floating wind farms.

“You have to talk about floating wind because the ocean floor is too deep to fix a turbine to it,” said Nancy Sopko, manager for advocacy and federal legislative affairs at the American Wind Energy Association.

Instead, floating wind projects are tethered, or moored, by cables to the ocean floor but don’t penetrate the surface.

While conventional offshore wind farms are common off the coast of European countries such as Denmark, Sopko said she’s not aware of any commercial floating wind projects operating at utility scale.

But Norwegian energy giant Statoil is about to start building a floating wind project in the North Sea, and the University of Maine has successfully tested a one-eighth scale prototype.

Trident Winds plans to build a floating array of about 100 wind turbines, each with a hub height of 400 feet – which works out to up to 600 feet in height when one of the turning blades is at the 12 o’clock position – some 33 nautical miles off Morro Bay.

One transmission cable running along the seafloor would send electricity to the shore by connecting to the Morro Bay substation owned by Pacific Gas and Electric.

“Bringing power from a resource that’s right off your coastline and can feed into the existing infrastructure onshore, that makes a lot of sense,” Weinstein said in a telephone interview.

Still in its early stages, the Trident project would have to go through an obstacle course of permitting, regulatory and environmental hearings on the federal, state, local and tribal levels before becoming a reality.

But there are signs of movement.

“While offshore renewable energy resources have not yet played a significant role in California’s energy system, they present important potential future opportunities,” Gov. Jerry Brown said in a recent letter to Sally Jewell, secretary of the U.S. Department of the Interior.

In response, a task force is being formed by the U.S. Bureau of Ocean Energy Management, which is also checking to see if other companies are interested in competing with Trident Winds for a potential lease.

The Brown and Obama administrations have each made reducing greenhouse gas emissions a major priority and an expanding offshore wind program is seen as a way to help meet those goals.

Brown signed a law last October mandating state utilities generate 50 percent of their electricity from renewable energy sources by 2030.

On the federal level, the U.S. Department of Energy has handed out $190 million for 73 offshore wind projects since 2006 through the agency’s wind program.

So far, offshore wind projects in the U.S. have concentrated on the East Coast, with some growing interest in the Great Lakes.

Two weeks ago, the Department of Energy awarded $40 million to the Lake Erie Energy Development Corporation to build a six-turbine pilot wind farm program off Cleveland’s lake shore by the end of 2018.

In addition to the Block Island Wind Farm, projects in the Atlantic include wind farms off the coast of Virginia and New Jersey, despite delays.

But the electricity generation from those projects is considered tiny compared to what is promised from the West Coast.

It’s estimated that nearly a terrawatt of electricity will be generated off the coast of California, 13 times more capacity than all the land-based wind farms across the country generate.

Trident sees its flotilla of turbines eventually growing to a net capacity of 1,000 megawatts. The typical land-based wind turbine has a capacity of 2 to 3 megawatts.

But the project has met with some local opposition.

“There are more environmentally friendly options,” said Joey Racano, who has launched a Facebook page opposing the project.

Racano’s complaints include what effect the turbines’ vibrations may have on fish, whales and sharks, and he worries about seabirds that can be killed after hitting the turbines’ blades or have their migratory patterns disrupted.

Trident’s proposed lease area is 67,963 acres, which equals 106 square miles.

“Why not do more with solar?” said Racano, who is also the director the Ocean Outfall Group, based in Morro Bay. “We have all these empty rooftops of all those homes and businesses that don’t have photovoltaic solar panels on them.”

Weinstein said offshore wind will provide a more consistent power source than solar. “It’s available 24 hours a day, not just six or seven hours,” she said.

Last December about 100 Morro Bay residents turned out for a public forum and grilled Trident Wind officials.

Although the Trident Winds facility could have 20 times the number of turbines of the Block Island project, the company says it would have minimal environmental impacts.

“There is no such thing as no impacts,” said Weinstein, who spent 20 years as an engineer at Honeywell. “We as humans impact our environment, period. The question becomes whether the impacts can be mitigated and minimized.”

The $2.6 billion Cape Wind project off the coast of Massachusetts has been debated for more than a decade with loud opposition coming from some homeowners complaining about the wind farms ruining their views.

Citing visibility charts from the Coast Guard, Trident says the Morro Bay project would be so far from the coast that the turbines would not be seen from the shoreline.

“It will not ruin anyone’s view,” Weinstein said.

Another challenge is the cost.

One analyst from the Bloomberg New Energy Finance research group projected that floating wind projects by 2020 could cost more than twice per megawatt than conventional offshore wind, which itself has been estimated, on average, to cost about three times more per megawatt than many new natural gas and coal power stations.

Wind energy’s boosters say the costs of land-based wind projects have come down over the last three decades – “In the past six years, costs have come down two-thirds,” said Sopko – and believe offshore wind will follow the same pattern.

Free-market critics complain about the amount of federal tax credits the wind energy sector receives and question the wisdom of spending government money on developing offshore projects.

“California continues to pursue carbon reduction policies that are very costly – and this looks like an example,” said Julian Morris, vice president of research at the Los Angeles-based Reason Foundation, a libertarian think tank.

The $40 million the Department of Energy gave to the pilot program in Cleveland came in addition to more than $10 million of agency money awarded to the corporation building the offshore project.

The combined $50 million from DOE accounts for 41.6 percent of the project’s estimated price tag of $120 million.

Weinstein said Trident “is not counting on any” government grants to help build the Morro Bay project.

David Hochschild, commissioner at the California Energy Commission, said offshore wind is on track to generate 250 gigawatts of electricity by 2020 but stressed that floating wind projects in California are in the “very, very early” stages.

“At the end of the day,” Hochschild said, floating offshore wind “is going to have to compete against onshore wind, against solar and the other resources in the renewable energy family.”

Source:  By Rob Nikolewski | The San Diego UnionTribune | June 16, 2016 | www.sandiegouniontribune.com

This article is the work of the source indicated. Any opinions expressed in it are not necessarily those of National Wind Watch.

The copyright of this article resides with the author or publisher indicated. As part of its noncommercial educational effort to present the environmental, social, scientific, and economic issues of large-scale wind power development to a global audience seeking such information, National Wind Watch endeavors to observe “fair use” as provided for in section 107 of U.S. Copyright Law and similar “fair dealing” provisions of the copyright laws of other nations. Send requests to excerpt, general inquiries, and comments via e-mail.

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