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OTTAWA — Climate change is driving up insurance rates and raising questions about whether private coverage will even be available for some Canadians in the future.

The problem could mean the National Flood Insurance Program that sa¹ú¼Ê´«Ã½ is developing to ensure access to affordable overland flood coverage might have to be expanded to wildfires, wind storms and hurricanes in short order.

Statistics sa¹ú¼Ê´«Ã½'s latest inflation report showed home insurance costs were up 8.2 per cent nationally in June, compared with one year earlier. Increases were about 10 per cent in Alberta, British Columbia and Saskatchewan, and nearly 12 per cent in Nova Scotia.

Some of the increase to premiums was due to inflation, but Craig Stewart, vice-president of climate and federal affairs for the Insurance Bureau of sa¹ú¼Ê´«Ã½, said a big chunk of it was because global reinsurance companies re-evaluated sa¹ú¼Ê´«Ã½'s risk profile and jacked up their prices.

Most companies that sell property insurance in sa¹ú¼Ê´«Ã½ turn around and transfer some of the risk associated with their policies to global companies called reinsurers. So when you make a claim to your local insurance agent, that company will in turn cover some of its expenses by buying insurance from a big global backer.

Stewart said the reinsurance premiums rose between 25 and 100 per cent in the last year, and while not all of it was passed on to consumers, some of it had to be. He said the analysis found sa¹ú¼Ê´«Ã½ among the countries where climate change has affected insurance risks the most.

The Insurance Bureau of sa¹ú¼Ê´«Ã½ reported last year that claim costs for personal property insurance averaged more than $7 billion annually over the last five years in sa¹ú¼Ê´«Ã½. That compares with $5.8 billion in the previous five years, and $2 billion a year in the late 1990s and early 2000s.

The bureau said severe weather caused about $3.1 billion in insured damage in sa¹ú¼Ê´«Ã½ last year, the third-worst year on record. And there was no single major event — like the Fort McMurray wildfire in 2016 — accounting for a majority of the costs. 

Rather, the costs were spread across the country, including the May derecho in Ontario and Quebec, post-tropical storm Fiona, flooding in Manitoba, and a series of major winter and summer storms in Ontario, Quebec, and British Columbia.

Stewart said for now the biggest effect is rising premiums, but he added some businesses, particularly tourism and hospitality operators in parts of western sa¹ú¼Ê´«Ã½, that haven't been able to renew their insurance in recent years.

Some major insurance companies have withdrawn from California and Florida completely in the last 18 months. Farmers Insurance stopped selling home and auto insurance in Florida in July, and State Farm did the same in California in May. In California, it's the high risk of wildfires, and in Florida, hurricanes, driving the companies out.

Stewart said it is not imminent, but possible, that those conversations might eventually happen in sa¹ú¼Ê´«Ã½. "The amplification of these events over the last five years just happened quicker than anyone could have imagined, so unfortunately we may be having that conversation sooner rather than later."

Paul Kovacs, executive director at the Institute for Catastrophic Loss Reduction in Toronto, said he doesn't think it will happen here. He said premiums will go up but he thinks the costs can be managed in sa¹ú¼Ê´«Ã½.

But he cited a need for better protection from severe weather — fireproof siding in areas of higher fire risk for example, or flood-proofing in areas getting hit more often with heavy rains.

"If we look after our homes, then even with the climate changing you don't necessarily have to see more damage."

He said it has been proven that investing $1 in prevention can save governments, insurance companies and individuals between $5 to $10 when disaster strikes, but getting those investments made can still be a hard sell.

Kovacs said usually the best time to make such improvements is immediately after a major event, when people are already rebuilding and the most open to doing so in a way that better protects them in the future.

He said the only significant example of being unable to get insurance is for overland flooding, which wasn't available at all in sa¹ú¼Ê´«Ã½ until 2016.

Since then, Kovacs said, 10 million Canadians have signed up for it.

Stewart said about 10 per cent of sa¹ú¼Ê´«Ã½'s homes — or 1.5 million households — are considered too high risk to get such insurance.

The National Flood Insurance Program, promised in the most recent federal budget, is intended to close that gap. 

It's still in development, with a target date of April 2025. Stewart said the program needs to be designed so it can be expanded to cover other weather events if needed in the future.

This report by The Canadian Press was first published Aug. 4, 2023.

Mia Rabson, The Canadian Press