Company hopes to 'Stash' energy for consumers during peak hours - Action News
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New Brunswick

Company hopes to 'Stash' energy for consumers during peak hours

Three recent graduates from the University of New Brunswick have devised a way to alleviate power usage during peak hours.

Developer team has been approached by several power companies for pilot project to test product

The Stash Energy Storage System banks thermal energy from heat pumps during non-peak hours for usage during peak times to alleviate stress on power grids. (Stash Energy Storage website)

Three recent University of New Brunswick graduates have devised a way toalleviatepower usageduring peak hours, which would put less stress on power grids and save consumers money.

Erik Hatfield, a developer with theStash Energy System, said other jurisdictions are already changing people differently depending on when they consume their energy.

"In NovaScotia and Ontario and 13 Statespower companies charge you more when you useelectricityduring peak times," said Hatfield.

"So what we're doing wejuststoreenergy when it's cheap and then use it when it's expensive so that people always pay the cheap rate for heating and cooling."

Hatfield said the developers have spoken withNB Power and the Crown corporation told the groupthey would offer rebates to customers for using theirproduct.

Picking partners

From left to right, Daniel Larson, Jordan Kennie, and Erik Hatfield, the development team behind the Stash Energy Storage system. (Rob Blanchard/UNB Media Services)

The group is now choosing among several large power companies to partner with, including P.E.I.'s Summerside Electric, to begin a pilot project which would bring the power units into real-world testing.

Jordan Kenniesaid the program runsheat pumps overnight during the so-called "off-peak"times to store the thermal energy.

"Then we use that thermal energy in the morning and early evening when peak times are the highest," Kennie said.

The group saystheir system will also work for storing energy from wind and solar sources for use on days that are cloudy or there is notenoughwind to power a turbine.

The team credits their team member, Daniel Larson of Prince Edward Islandwith the concept.

"He'd heard on the radio they were building a power station in Charlottetown for millions that would run for just 15 minutes a day to deal with peak power times," said Kennie.

"He just kind of thought that stupid, really."

Unique chemical used

The first prototype of the Stash Energy Storage system was much larger than the current unit the team has constructed. Developers hope to trim the system's size even further as they refine the product. (Facebook)

Kennie likened P.E.I.'ssituation with that of NewBrunswick'sColeson Cove Generating Station near Saint John.

Coleson Cove sees minimal usage, powering up mostly to serve heavy electrical needs duringextremelycold weather in winter.

"Our system uses a chemical thatwe've developed in order to storethermalenergy from heat pump systems,"Kennie said.

"Currently there are no other products doing that."

He said there are some products that use bricks to store heat from heating elements

"But thisheat pump method is the most energyefficientmodel, and much cheaper," he said.

The team expects to have some unitsavailablefor early adopters next year.