Age of electric: Why Ontario rinks are slowly ditching their old ice resurfacers

When Chris Decoutopowers up the new electric Zambonis at the Invista Centre in Kingston, Ont., he's left with a good feeling.

"It's just knowing that there isn't that propane gas combustion engine operating in the facility," saidDecouto, the city's arena operator."You can't really beat zero emissions in terms of indoor air quality."

Decouto has been driving the older, louder propane- and gas-powered ice resurfacers commonly known by the ubiquitous brand name Zamboni, though there are different manufacturers for the past 21 years.

But last month, the City of Kingston took ownership oftwo new electric-powered Zamboni models, citing fuel cost reductions of up to 80 per cent and significant maintenance savings. They planto eventually rid themselves of all their older units.

They're not alone: several other Ontario municipalities have decided it'stime to start switching over,as battery-powered machinesbecome cheaper in thelong termand concerns linger about arena air quality and carbon monoxide risks.

Not new tech

While municipal interest in electric ice resurfacers might be relatively new, the technologyis actually older thanWayne Gretzky.

The first battery-powered machine was showcased at the 1960 Winter Olympics by Frank Zamboni himself, said Terry Pich,technical director for the Ontario Recreational Facilities Association (ORFA).

Even so, it's onlyrecently that there's been a "real uptick" in terms of interest by Ontario municipalities,Pichsaid. While an electric Zamboni still goes for about $50,000 more than a gas-powered model,Pichsaid not having to pay for things like gas or oil changes makes the business casemore palatable with the environmental benefitsa compelling "sidebar."

"If you went back 10 years ago, maybe five per cent of [manufacturer]sales would be looking at battery technology," he said.

"They're telling me, in the last three or four years, that's grown to 40 to 50 per cent of the [purchases municipalities are making]across the province."

Several communities switching

That includes London, Ont., whichunveiled its first electric Zamboniin Augustand wants to convert its entire fleet over the next four years.

Mississauga has similar plans, with eight electric machines now maintainingcity rinks.

Electric models are also humming alongin cities like Oakville and Burlington, according to data from ORFA,as well as in smaller communities such as Caledon, Collingwood and Orillia.

Toronto, however, is still powering its entire 95-unit fleet with a mix of propane and natural gas, a city spokesperson told CBC.In Ottawa, four of the 51 permanent ice resurfacers are battery-powered, but they're "aging and not performing well," said Coun. Mathieu Fleury, the city's sport commissioner.

Two different electric models are also being leased under a pilot project in Ottawa one that started this fall and will run until 2022but Fleurysaid that's not enough.

"I don't understand why, as a city, we're not more aligned with those goals. Ultimately, we have to be, by our climate change action plan," he said.

"In this year's budget ... there's a proposal to buy seven new units. And I will work to stop that purchase unless they're electric."

Unanswered questions

Despite the positives with electric ice resurfacers they're also quieter, a nice benefit for earplug-reliantoperators there are still a few uncertainties.

For starters, it's not clear what would happen if one were to catch fireinside an enclosed arena,Pichsaid. Firefighters, he noted, have had challenges dealing with similar situations involving electric vehicleson the road.

• Electric car catches fire and explodes in Montrealgarage

• Why electric cars complicate rescue work by firefighters

"Hopefully it never happens. But these things ... do happen, for whatever reasons," Pich said. "As equipment ages, it's going to be more of a risk."

There's also what Pich calls the "dark side people whisper about."While battery-powered ice resurfacers don't generate emissions when they're in operation, more research isneeded into the environmental impact of producing and disposing of the batteries themselves, he said.

For Fleury, improving air quality and reducing the carbon footprint outweigh any potential risks. As for Decouto, he'sjust happythe electric machines operate largely like the old ones.

"I wasn't sure what to expect, to be honest," he said. "I was delighted to find out that itwas very similar."