Big Moon aims to generate tidal power at competitive rates

Big Moon will deploy its devices near Cape Split across from the FORCE test site

The country manager for Big Moon Canada is praising the Nova Scotia government after the province granted his  company two permits to generate tidal electricity on the north side of the Blomidon Peninsula near Cape Split.

“Nova Scotia will be seen in the not-too-distant future, like Denmark was with wind, as the leader and the industry head of tidal power in the world,” Jamie MacNeil predicted today during a telephone interview.

“The government of Nova Scotia has taken a first step with FORCE and now through this process has taken the next step to bring in the next generation of tidal developers,” he added.

“The expertise now, with regards to our technology anyway, resides here in Nova Scotia and it’s going to be continued to be developed here in Nova Scotia.”

Selling power to the grid

The provincial minister of energy announced yesterday that Big Moon has been granted a five year, renewable permit to install up to 5MW of generating capacity and to sell its electricity to Nova Scotia Power (NSP) for 35 cents a kilowatt hour.

MacNeil says it will not be as difficult as first thought for Big Moon to connect to the power grid.

He explained that the company is leasing property from a farm that is already connected.

“We’ve been working with Nova Scotia Power and the grid connection will take place,” he said. “We’ll upgrade the lines from Scots Bay back in through to Canning.”

Working with fishers

MacNeil says Big Moon has been listening to fishermen in the Bay of Fundy and has already commissioned a comprehensive study that gathered baseline data on fish in the Minas Passage.

“And, we’re now in the midst of a lobster study, once again being done with participation from the fishers and others,” he adds.

“There’s no point in trying to produce supposed green power if, in fact, the incorporation of the technology into the environment is actually going to have a detrimental effect.”

 Older technology, new system

According to MacNeil, Big Moon is using a combination of older, but proven technologies.

Drawing of tidal barge showing red kinetic keel suspended between pontoons

A 150-foot-long barge fitted with a steel keel is attached to super-strength polyethylene rope wound around a big drum at the land-based generating station.

As the keel absorbs energy from the tides, the barge moves with the current and the rope made of lightweight Dyneema fibre turns the drum to produce electricity using a wind generator and its gears.

“We’ve incorporated old and proven technology like work barges and high modulus ropes and drums, gears and generators and we’ve put them together in a new system,” MacNeil says.

He adds that Big Moon is hoping its system will harness the power of the tides effectively over long periods of time.

Becoming competitive

MacNeil says Big Moon’s immediate goal is to get its devices into the water to demonstrate the success of its technology.

“Obviously, there’s a great resource here for the people of the province of Nova Scotia and quite frankly all of Atlantic Canada,” he says adding that the company wants to produce electricity at a price that can compete with other renewable sources.

“We’re very anxious to reward the faith that the government has placed in us and hopefully help to develop this tidal industry here in Nova Scotia,” he says.

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One Response to Big Moon aims to generate tidal power at competitive rates

  1. Warren Morse Peck says:

    This disruptive technology removes fish kill by capturing kinetic energy from the tidal current without using rotating turbines. This technology deserves serious consideration. The kinetic keel allows for the coexistence of energy extraction within the marine ecosystem with what appears to be very minimal impact on marine life. As you test your concept please keep environmental concerns front and centre at all phases of development. The Bay of Fundy is a delicate and precious system and demands utmost respect and protection.

    Like

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