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Nova Scotia

Walton marina to assist BigMoon Power's tidal energy project in Minas Basin

BigMoon Power is set to use the facility to launch bases for its tidal power machinery later this month.

Company is set to use facility to launch anchors for its floating machinery this month

A building is next to a wharf in the water.
BigMoon Power will soon be deploying this tidal power device named the Falcon in the Minas Basin in the Bay of Fundy. The company calls the floating water wheel the Kinetic Keel. (BigMoon Power/Instagram)

Many have tried and many have failed, but now BigMoon Power is getting close to launching its attempt to harness the power of the world's highest tides and a new marina development in Hants County will be playing a key role.

BigMoon will soon be filling its anchors modified rail carswith cement in Walton, N.S.They will then betransportedacross the Minas Basin to the tidal power site near Parrsboro.

"We are starting to move closer toward the implementation of a tidal device in the Minas Passage," said Jamie MacNeil, BigMoon's executive vice-president. "The first phase that we will be embarking on are the gravity bases that will hold our device in place."

Unlike other failed tidal power projects that put turbineson the ocean floor, BigMoon's power generatorfloats on the surface of the water and a kinetic wheel spins with the current.

Unsuccessful projects launched in Nova Scotia since 1985 have ended infish kills orequipment failures, among other problems.

Three rectangular boxes sit on a snowy shore.
These customized rail coal cars will soon be filled with concrete in Walton and transported across the Minas Basin where they will serve as underwater anchors for a floating power generator. (Paul Palmeter/CBC)

BigMoon'smain equipment iscalled the Falcon and is currently sitting in Saint John. It will be transported over the next few weeks and attached to the anchor base.

The bases could be moved from Waltonbetween March 21 and 24 when the tides are at their highest this month. But permits are still needed to do the required work below the high tide mark in Walton.

"We want to get this moving as quick as possible so we can move on to the next phase where we can start providing green energy to the people of Nova Scotia from the Bay of Fundy," said MacNeil.

BigMoon Power has done extensive testing of their product in Scots Bay, located in Kings County on the other side of the Minas Passage from Parrsboro.

The company has had a lengthy relationship with marine conservationist Darren Porter, who lives in Hants County.Porter purchased an unused parcel of land next to the harbour in Walton last month.It didn't take long for him and BigMoon to agree touse the site to their advantage.

"The first thing was purchasing it and then secondly was putting money into it for infrastructure to get access down to the water so we put in a roadway," said Porter.

A man wearing winter clothes stands outside on a snowy seashore.
Marine conservationist Darren Porter stands on his new property in Walton where he is planning a working waterfront development. (Paul Palmeter/CBC)

While BigMoon will have an active stake in Porter's new location, Porter has many other potential ideas for development.

Two weeks ago Fisheries and Oceans Canada (DFO) announced weir fishing can resume in the area and Porter plans to set up his fishing weir next totheproperty.

A working waterfront

"The possibilities here are endless and we want to rebuild the wharf, of course," said Porter.

The old wharf in Walton was destroyed by fire in 2012 and two Hants County men were charged with arson.

Walton was a busy port decades ago with a nearby barite mine loading ships from Porter's new property during itsoperations from 1941 to 1978.

Two silos in front of a wooded area.
Two old silos that were used to store barite from a nearby mine remain at Darren Porter's new waterfront property in Walton. (Paul Palmeter/CBC)

Two 60-metre-high silos still stand side by side at the site and continue to hold barite. A structure sits on top of the silos that has a commanding view of the Minas Basin and Cape Blomidon, one of the most notable landmarks in Nova Scotia.

"At first my plan was to take them down but I'm finding out most of the locals here are quite attached to them," said Porter.

Porter still has lots of discussions he needs to have with the Nova Scotia government and the Municipality of East Hants to get permits and deal with zoning issues.

Porter says local fire departments can use the new service road already in place to launch rescue boats. He is hoping to see his property become a spot for people to enjoy striped bass fishing, a popular pastime in the area.

Porter says nothing is off the table and he is open to listening to anyone who may have a plan forthe working waterfront he envisions.

Salvage operation

A requirementof BigMoon'smarine renewable-electricity licenceis that it mustlift one of the earlier turbines that failed so miserably. A 1,300-tonne machine has been stranded in the Minas Passage since 2018 when a parent company of Cape Sharp Tidal Venture, OpenHydro Group Ltd., filed for liquidation.

A turbine in the water at night time.
The Cape Sharp Tidal turbine was lowered into the Minas Passage in November 2016. BigMoon Power is required to retrieve it from the ocean floor as part of its marine renewable-electricity licence. (Cape Sharp Tidal)

BigMoon has to have it moved by the end of 2024 but they plan to move it this spring or summerto Walton, where it would be dismantled.

"We would like, and I think everyone in Nova Scotia would like, for us to remove that turbine much sooner rather than later," said MacNeil.

The race to become the first company to successfully build a machine that can harness the Bay of Fundy's powerful tides, an endless natural resource, has been very competitive.

While BigMoon Power is ready to take the next plunge, no one is claiming any victories just yet. They still have lots of hurdles to overcome and extensive testing before they can reliably provide power to Nova Scotia's electrical grid but they hope it will be months, not years, for that to happen.