Proposed bill may restrict new power plant

By Belleville News-Democrat


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Although the coal-powered Prairie State Energy Campus under construction outside Lively Grove will include the latest carbon dioxide-restricting technology, proposed federal legislation could place more restrictions on emissions at the plant.

These restrictions would increase the cost of compliance and increase consumers' power bills, according to Prairie State officials.

Sen. John Kerry, D-Mass., one of the sponsors of the legislation, said the legislation has major consumer protections built in, according to a statement on his Web site.

Construction of the $4 billion, 1,600-megawatt power plant and coalmine has been under way for the past year. When completed in 2011, it will supply power to residents in nine states.

But a bill that sits before lawmakers in Washington, D.C., proposes a 15 percent further reduction in emissions. The federal climate bill, sponsored by Kerry and Sen. Barbara Boxer, D-Calif., is an attempt to make changes to a similar bill sponsored by Rep. Henry Waxman, D-Calif., and Edward Markey, D-Mass., that passed the House in June.

The Kerry-Boxer bill calls to further reduce emission targets while keeping the same timetable that was in the Waxman-Markey bill. The House bill proposes 17 percent reductions by 2020, while the Kerry-Boxer bill pushes for 20 percent reduction by that time. The Obama administration has proposed a 14 percent reduction.

According to a letter sent August 17 to legislators from Prairie State Generating Co. LLC President and Chief Executive Officer Peter DeQuattro, both bills would have a devastating impact on the Washington County plan. DeQuattro said the Kerry-Boxer bill places "unrealistic reduction targets" and "insufficient time to develop the program," which would be a "recipe for economic disaster."

He said the Waxman-Markey bill carries an estimated price tag that cost that nation's power plants more than $3 trillion in the first 20 years, and the Kerry-Boxer bill would be more costly.

He also said it is too ambitious and moving too quickly for everyone involved to understand or regulatory bodies to provide opportunity for public comment needed to successfully and fairly implement the bill.

Sheri Bilderback, manager of public relations for the Prairie State Generating Co., said if this bill passes, the 2.5 million families who will be served by the Prairie State Energy Campus could witness steeper utility bills. Prairie State Energy Campus is owned by a consortium of nine owners, including eight nonprofit municipal power companies. Any added cost would have to be passed on to consumers.

"Prairie State is absolutely environmentally a cutting-edge power plant as far as how it is set up and designed using 21st century up-to-date technology out there that is commercially available," Bilderback said. "Although we have a positive environmental profile, this bill would be extremely challenging for Prairie State to meet should it pass."

Also concerned is the Southern Illinois Power Cooperative in Marion. Like most of the Prairie State Energy Campus owners, the co-op is nonprofit. Co-op president and general manager W. Scott Ramsey estimates that adopting the proposed federal restrictions would cost its 200,000 members in living between East St. Louis and the Indiana border and as far south as the Ohio River $1,300 more on their electric bills each year.

"It leave home-owned business owners and farmers at severe risk to price volatility for electricity," Ramsey said.

In his online statement in response to arguments against his bill, Kerry said, "The ink wasn't even dry on The Clean Energy Jobs and American Power Act before the same tired attacks and bold face distortions were launched by those committed to inaction.

"We predicted long ago that those on the other side would adopt the misleading jargon of oil companies, lobbyists, and special interests, which maximize their profits at the expense of progress. Let's be clear: The Clean Energy Jobs and American Power Act will put America back in control of our energy future. It invests in coal, natural gas, nuclear, and renewable energy companies that make America great, while vigorously protecting the American consumer. It can finally put us on a path to energy independence, in spite of the misleading campaign that would keep us hostage to foreign and unreliable governments."

But Bilderback said the bill does not include time for the Environmental Protection Agency to promulgate regulations to enforce the law.

"No one has any idea what the EPA will do," Bilderback said. "The timetables are so unrealistic already under the bill the House passed. The (Senate) bill ratcheted it down and further tightened it so much."

Illinois EPA Director Doug Scott released a statement Friday that said: "We believe that climate change legislation can spur innovative technologies to be developed. This can help us keep green jobs in the state and in the country, and the dollars that go with them."

Ramsey said that the co-op already works to reduce emissions of sulfur dioxide, nitrogen oxides, particulate and mercury from generating units. But agrees with Bilderback and others from Prairie State that the 821-page bill, although complicated, does not provide enough time for the new power plant to adjust.

"It is a very complex issue," he said. "The way it's authored in both houses is short on time and short in support, and I don't think that's the way to go."

"It has significant impact on us, our workers, the owners and their consumers," Bilderback said.

"We're just trying to get our arms around this."

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Independent power project announced by B.C. Hydro now in limbo

Siwash Creek Hydroelectric Project faces downsizing under a BC Hydro power purchase agreement, with run-of-river generation, high grid interconnection costs, First Nations partnership, and surplus electricity from Site C reshaping clean energy procurement.

 

Key Points

A downsized run-of-river plant in BC, co-owned by Kanaka Bar and Green Valley, selling power via a BC Hydro PPA.

✅ Approved at 500 kW under a BC Hydro clean-energy program

✅ Grid interconnection initially quoted at $2.1M

✅ Joint venture: Kanaka Bar and Green Valley Power

 

A small run-of-river hydroelectric project recently selected by B.C. Hydro for a power purchase agreement may no longer be financially viable.

The Siwash Creek project was originally conceived as a two-megawatt power plant by the original proponent Chad Peterson, who holds a 50-per-cent stake through Green Valley Power, with the Kanaka Bar Indian Band holding the other half.

The partners were asked by B.C. Hydro to trim the capacity back to one megawatt, but by the time the Crown corporation announced its approval, it agreed to only half that — 500 kilowatts — under its Standing Order clean-energy program.

“Hydro wanted to charge us $2.1 million to connect to the grid, but then they said they could reduce it if we took a little trim on the project,” said Kanaka Bar Chief Patrick Michell.

The revenue stream for the band and Green Valley Power has been halved to about $250,000 a year. The original cost of running the $3.7-million plant, including financing, was projected to be $273,000 a year, according to the Kanaka Bar economic development plan.

“By our initial forecast, we will have to subsidize the loan for 20 years,” said Michell. “It doesn’t make any sense.”

The Kanaka Band has already invested $450,000 in feasibility, hydrology and engineering studies, with a similar investment from Green Valley.

B.C. Hydro announced it would pursue five purchase agreements last March with five First Nations projects — including Siwash Creek — including hydro, solar and wind energy projects, as two new generating stations were being commissioned at the time. A purchase agreement allows proponents to sell electricity to B.C. Hydro at a set price.

However, at least ten other “shovel-ready” clean energy projects may be doomed while B.C. Hydro completes a review of its own operations and its place in the energy sector, where legal outcomes like the Squamish power project ruling add uncertainty, including B.C.’s future power needs.

With the 1,100-megawatt Site C Dam planned for completion in 2024, and LNG demand cited to justify it, B.C. Hydro now projects it will have a surplus of electricity until the early 2030s.

Even if British Columbians put 300,000 electric vehicles on the road over the next 12 years, amid BC Hydro’s first call for power, they will require only 300 megawatts of new capacity, the company said.

A long-term surplus could effectively halt all small-scale clean energy development, according to Clean Energy B.C., even as Hydro One’s U.S. coal plant remains online in the region.

“(B.C. Hydro) dropped their offer down to 500 kilowatts right around the time they announced their review,” said Michell. “So we filled out the paperwork at 500 kilowatts and (B.C. Hydro) got to make its announcement of five projects.”

In the new few weeks, Kanaka and Green Valley will discuss whether they can move forward with a new financial model or shelve the project, he said.

B.C. Hydro declined to comment on the rationale for downsizing Siwash Creek’s power purchase agreement.

The Kanaka Bar Band successfully operates a 49.9-megawatt run-of-river plant on Kwoiek Creek with partners Innergex Renewable Energy.

 

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Manchin Calls For Stronger U.S. Canada Energy And Mineral Partnership

U.S.-Canada Energy and Minerals Partnership strengthens energy security, critical minerals supply chains, and climate objectives with clean oil and gas, EV batteries, methane reductions, cross-border grid reliability, and allied trade, countering Russia and China dependencies.

 

Key Points

A North American alliance to secure energy, refine critical minerals, cut emissions, and fortify supply chains.

✅ Integrates oil, gas, and electricity trade for reliability

✅ Builds EV battery and critical minerals processing capacity

✅ Reduces methane, diversifies away from Russia and China

 

Today, U.S. Senator Joe Manchin (D-WV), Chairman of the Senate Energy and Natural Resources Committee, delivered the following remarks during a full committee hearing to examine ways to strengthen the energy and mineral partnership between the U.S. and Canada to address energy security and climate objectives.

The hearing also featured testimony from the Honorable Jason Kenney (Premier, Alberta, Canada), the Honorable Nathalie Camden (Associate Deputy Minister of Mines, Ministry of Energy and Natural Resource, Québec, Canada), the Honorable Jonathan Wilkinson (Minister, Natural Resources Canada) and Mr. Francis Bradley (President and CEO, Electricity Canada). Click here to read their testimony.

Chairman Manchin’s remarks can be viewed as prepared here or read below:

Today we’re welcoming our friends from the North, from Canada, to continue this committee’s very important conversation about how we pursue two critical goals – ensuring energy security and addressing climate change.

These two goals aren’t mutually exclusive, and it’s imperative that we address both.

We all agree that Putin has used Russia’s oil and gas resources as a weapon to inflict terrible pain on the Ukrainian people and on Europe.

And other energy-rich autocracies are taking note. We’d be fools to think Xi Jinping won’t consider using a similar playbook, leveraging China’s control over global critical minerals supply chains.

But Putin’s aggression is bringing the free world closer together, setting the stage for a new alliance around energy, minerals, and climate.
Building this alliance should start here in North America. And that’s why I’m excited to hear today about how we can strengthen the energy and minerals partnership between the U.S. and Canada.

I recently had the privilege of being hosted in Alberta by Premier Kenney, where I spent two days getting a better understanding of our energy, minerals, and manufacturing partnership through meetings with representatives from Alberta, Saskatchewan, the Northwest Territories, the federal government, and tribal and industry partners.

Canadians and Americans share a deep history and are natural partners, sharing the longest land border on the planet.

Our people fought side-by-side in two world wars. In fact, some of the uranium used by the Manhattan Project and broader nuclear innovation was mined in Canada’s Northwest Territories and refined in Ontario.

We have cultivated a strong manufacturing partnership, particularly in the automotive industry, with Canada today being our biggest export market for vehicles. Cars assembled in Canada contain, on average, more than 50% of U.S. value and parts.

Today we also trade over 58 terawatt hours of electricity, including green power from Canada across the border, 2.4 billion barrels of petroleum products, and 3.6 trillion cubic feet of natural gas each year.

In fact, energy alone represents $120 billion of the annual trade between our countries. Across all sectors the U.S. and Canada trade more than $2 billion per day.
There is no better symbol of our energy relationship than our interconnected power grid and evolving clean grids that are seamless and integral for the reliable and affordable electricity citizens and industries in both our countries depend on.

And we’re here for each other during times of need. Electricity workers from both the U.S. and Canada regularly cross the border after extreme weather events to help get the power back on.

Canada has ramped up oil exports to the U.S. to offset Russian crude after members of our committee led legislation to cut off the energy purchases fueling Putin’s war machine.

Canada is also a leading supplier of uranium and critical minerals to the U.S., including those used in advanced batteries—such as cobalt, graphite, and nickel.
The U.S-Canada energy partnership is strong, but also not without its challenges, including tariff threats that affect projects on both sides. I’ve not been shy in expressing my frustration that the Biden administration cancelled the Keystone XL pipeline.

In light of Putin’s war in Ukraine and the global energy price surge, I think a lot of us wish that project had moved forward.

But to be clear, I’m not holding this hearing to re-litigate the past. We are here to advance a stronger and cleaner U.S.-Canada energy partnership for the future.
Our allies and trading partners in Europe are begging for North American oil and gas to offset their reliance on Russia.

There is no reason whatsoever we shouldn’t be able to fill that void, and do it cleaner than the alternatives.

That’s because American oil and gas is cleaner than what is produced in Russia – and certainly in Iran and Venezuela. We can do better, and learn from our Canadian neighbors.

On average, Canada produces oil with 37% lower methane emissions than the U.S., and the Canadian federal government has set even more aggressive methane reduction targets.

That’s what I mean by climate and security not being mutually exclusive – replacing Russian product has the added benefit of reducing the emissions profile of the energy Europe needs today.

According to the International Energy Agency, stationary and electric vehicle batteries will account for about half of the mineral demand growth from clean energy technologies over the next twenty years.

Unfortunately, China controls 80% of the world’s battery material processing, 60% of the world’s cathode production, 80% of the world’s anode production, and 75% of the world’s lithium ion battery cell production. They’ve cornered the market.

I also strongly believe we need to be taking national energy security into account as we invest in climate solutions.

It makes no sense whatsoever for us to so heavily invest in electric vehicles as a climate solution when that means increasing our reliance on China, because right now we’re not simultaneously increasing our mining, processing, and recycling capacity at the same rate in the United States.

The Canadians are ahead of us on critical minerals refining and processing, and we have much to learn from them about how they’re able to responsibly permit these activities in timelines that blow ours out of the water.

I’m sure our Canadian friends are happy to export minerals to us, but let me be clear, the United States also needs to contribute our part to a North American minerals alliance.

So I’m interested in discussing how we can create an integrated network for raw minerals to move across our borders for processing and manufacturing in both of our countries, and how B.C. critical minerals decisions may affect that.

I believe there is much we can collaborate on with Canada to create a powerful North American critical minerals supply chain instead of increasing China’s geopolitical leverage.

During this time when the U.S., Canada, and our allies and friends are threatened both by dictators weaponizing energy and by intense politicization over climate issues, we must work together to chart a responsible path forward that will ensure security and unlock prosperity for our nations.

We are the superpower of the world, and blessed with abundant energy and minerals resources. We cannot just sit back and let other countries fill the void and find ourselves in a more dire situation in the years ahead.

We must be leaning into the responsible production of all the energy sources we’re going to need, and strengthening strategic partnerships – building a North American Energy Alliance.

 

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France's nuclear power stations to limit energy output due to high river temperatures

France Nuclear Heatwave Output Restrictions signal reduced reactor capacity along the Rhone River, as EDF curbs output to meet cooling-water rules, balance the grid, integrate solar peaks, and limit impacts on power prices.

 

Key Points

EDF limits reactor output during heat to protect rivers and keep the grid stable under cooling-water rules.

✅ Cuts likely at midday/weekends when solar peaks

✅ Bugey, Saint Alban maintain minimum grid output

✅ France net exporter; price impact expected small

 

The high temperature warning has come early this year but will affect fewer nuclear power plants, amid a broader France-Germany nuclear dispute over atomic power policy that shapes regional energy flows.

High temperatures could halve nuclear power production at plants along France's Rhone River this week, as European power hits records during extreme heat. 

Output restrictions are expected at two nuclear plants in eastern France due to high temperature forecasts, nuclear operator EDF said, which may limit energy output during heatwaves. It comes several days ahead of a similar warning that was made last year but will affect fewer plants.

The hot weather is likely to halve the available power supply from the 3.6 GW Bugey plant from 13 July and the 2.6 GW Saint Alban plant from 16 July, the operator said.

However, production will be at least 1.8 GW at Bugey and 1.3 GW at Saint Alban to meet grid requirements, and may change according to grid needs, the operator said.

Kpler analyst Emeric de Vigan said the restrictions were likely to have little effect on output in practice. Cuts are likely only at the weekend or midday when solar output was at its peak so the impact on power prices would be slim.

During recent lockdowns, power demand held firm in Europe, offering context for current price dynamics.

He said the situation would need monitoring in the coming weeks, however, noting it was unusually early in the summer for such restrictions to be imposed.

Water temperatures at the Bugey plant already eclipsed the initial threshold for restrictions on 9 July, underscoring France's outage risks under heat-driven constraints. They are currently forecast to peak next week and then drop again, Refinitiv data showed.

"France is currently net exporting large amounts of power – single nuclear units' supply restrictions will not have the same effect as last year," Refinitiv analyst Nathalie Gerl said.

The Garonne River in southern France has the highest potential for critical levels of warming, but its Golfech plant is currently offline for maintenance until mid-August, the data showed, highlighting how Europe is losing nuclear power during critical periods.

"(The restrictions were) to be expected and it will probably occur more often," Greenpeace campaigner Roger Spautz said.

"The authorities must stick to existing regulations for water discharges. Otherwise, the ecosystems will be even more affected," he added.

 

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America Going Electric: Dollars And Sense

California Net Zero Grid Investment will fuel electrification, renewable energy buildout, EV adoption, and grid modernization, boosting utilities, solar, and storage, while policy, IRA incentives, and transmission upgrades drive reliability and long-term rate base growth.

 

Key Points

Funding to electrify sectors and modernize the grid, scaling renewables, EVs, and storage to meet 2045 net zero goals.

✅ $370B over 22 years to meet 2045 net zero target

✅ Utilities lead gains via grid modernization and rate base growth

✅ EVs, solar, storage scale; IRA credits offset costs

 

$370 billion: That’s the investment Edison International CEO Pedro Pizarro says is needed for California’s power grid to meet the state’s “net zero” goal for CO2 emissions by 2045.

Getting there will require replacing fossil fuels with electricity in transportation, HVAC systems for buildings and industrial processes. Combined with population growth and data demand potentially augmented by artificial intelligence, that adds up to an 82 percent increase in electricity demand over 22 years, or 3 percent annually, and a potential looming shortage if buildout lags.

California’s plans also call for phasing out fossil fuel generation in the state, despite ongoing dependence on fossil power during peaks. And presumably, its last nuclear plant—PG&E Corp’s (PCG) Diablo Canyon—will be eventually be shuttered as well. So getting there also means trebling the state’s renewable energy generation and doubling usage of rooftop solar.

Assuming this investment is made, it’s relatively easy to put together a list of beneficiaries. Electric vehicles hit 20 percent market share in the state in Q2, even as pandemic-era demand shifts complicate load forecasting. And while competition from manufacturers has increased, leading manufacturers like Tesla TSLA -3% Inc (TSLA) can look forward to rising sales for some time—though that’s more than priced in for Elon Musk’s company at 65 times expected next 12 months earnings.

In the past year, California regulators have dialed back net metering through pricing changes affecting compensation, a subsidy previously paying rooftop solar owners premium prices for power sold back to the grid. That’s hit share prices of SunPower Corp (SPWR) and Sunrun Inc (RUN) quite hard, by further undermining business plans yet to demonstrate consistent profitability.

Nonetheless, these companies too can expect robust sales growth, as global prices for solar components drop and Inflation Reduction Act tax credits at least somewhat offset higher interest rates. And the combination of IRA tax credits and U.S. tariff walls will continue to boost sales at solar manufacturers like JinkoSolar Holding (JKS).

The surest, biggest beneficiaries of California’s drive to Net Zero are the utilities, reflecting broader utility trends in grid modernization, with investment increasing earnings and dividends. And as the state’s largest pure electric company, Edison has the clearest path.

Edison is currently requesting California regulators OK recovery over a 30-year period of $2.4 billion in losses related to 2017 wildfires. Assuming a amicable decision by early next year, management can then turn its attention to upgrading the grid. That investment is expected to generate long-term rate base growth of 8 percent at year, fueling 5 to 7 percent annual earnings growth through 2028 with commensurate dividend increases.

That’s a strong value proposition Edison stock, with trades at just 14 times expected next 12 months earnings. The yield of roughly 4.4 percent at current prices was increased 5.4 percent this year and is headed for a similar boost in December.

When California deregulated electricity in 1996, it required utilities with rare exceptions to divest their power generation. As a result, Edison’s growth opportunity is 100 percent upgrading its transmission and distribution grid. And its projects can typically be proposed, sited, permitted and built in less than a year, limiting risk of cost overruns to ensure regulatory approval and strong investment returns.

Edison’s investment plan is also pretty much immune to an unlikely backtracking on Net Zero goals by the state. And the company has a cost argument as well: Dr Pizarro cites U.S. Department of Energy and Department of Transportation data to project inflation-adjusted savings of 40 percent in California’s total customer energy bills from full electrification.

There’s even a reason to believe 40 percent savings will prove conservative. Mainly, gasoline currently accounts for a bit more than half energy expenditures. And after a more than 10-year global oil and gas investment drought, supplies are likely get tighter and prices possibly much higher in coming years.

Of course, those savings will only show up after significant investment is made. At this point, no major utility system in the world runs on 100 percent renewable energy, and California’s blackout politics underscore how reliability concerns shape deployment. And the magnitude of storage technology needed to overcome intermittency in solar and wind generation is not currently available let alone affordable, though both cost and efficiency are advancing.

Taking EVs from 20 to 100 percent of California’s new vehicle sales calls for a similar leap in efficiency and cost, even with generous federal and state subsidy. And while technology to fully electrify buildings and homes is there, economically retrofitting statewide is almost certainly going to be a slog.

At the end of the day, political will is likely to be as important as future technological advance for how much of Pizarro’s $370 billion actually gets spent. And the same will be true across the U.S., with state governments and regulators still by and large calling the shots for how electricity gets generated, transmitted and distributed—as well as who pays for it and how much, even as California’s exported policies influence Western markets.

Ironically, the one state where investors don’t need to worry about renewable energy’s prospects is one of the currently reddest politically. That’s Florida, where NextEra Energy NEE +2.8% (NEE) and other utilities can dramatically cut costs to customers and boost reliability by deploying solar and energy storage.

You won’t hear management asserting it can run the Sunshine State on 100 percent renewable energy, as utilities and regulators do in some of the bluer parts of the country. But by demonstrating the cost and reliability argument for solar deployment, NextEra is also making the case why its stock is America’s highest percentage bet on renewables’ growth—particularly at a time when all things energy are unfortunately becoming increasingly, intensely political.

 

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An NDP government would make hydro public again, end off-peak pricing, Horwath says in Sudbury

Ontario NDP Hydro Plan proposes ending time-of-use pricing, buying back Hydro One, lowering electricity rates, curbing rural delivery fees, and restoring public ownership to ease household bills amid debates with PCs and Liberals over costs.

 

Key Points

A plan to end time-of-use pricing, buy back Hydro One, and cut bills via public ownership and fair delivery fees.

✅ End time-of-use pricing; normal schedules without penalties

✅ Repurchase Hydro One; restore public ownership

✅ Cap rural delivery fees; address oversupply to cut rates

 

Ontario NDP leader Andrea Horwath says her party’s hydro plan will reduce families’ electricity bills, a theme also seen in Manitoba Hydro debates and the NDP is the only choice to get Hydro One back in public hands.

Howarth outlined the plan Saturday morning outside the home of a young family who say they struggle with their electricity bills — in particular over the extra laundry they now have after the birth of their twin boys.

An NDP government would end time-of-use pricing, which charges higher rates during peak times and lower rates after hours, “so that people aren’t punished for cooking dinner at dinner time,” Horwath said at a later campaign stop in Orillia, “so people can live normal lives and still afford their hydro bill.”

#google#

An NDP government would end time-of-use pricing, which gives lower rates for off-peak usage, Howarth said, separate from a recent subsidized hydro plan during COVID-19. The change would mean families wouldn't be "forced to wait until night when the pricing is lower to do laundry," and wouldn't have to rearrange their lives around chores.

The pricing scheme was supposed to lower prices and help smooth out demand for electricity, especially during peak times, but has failed, she said.

In order to lower hydro bills, Horwath said an NDP government would buy back shares of Hydro One sold off under the Wynne government, which she said has led to high prices and exorbitant executive pay among executives. The NDP plan would also make sure rural families do not pay more in delivery fees than city dwellers, and curb the oversupply of energy to bring prices down.

Critics have said the NDP plan is too costly and will take a long time to implement, and investors see too many unknowns about Hydro One.

"The NDP's plan to buy back Hydro One and continue moving forward with a carbon tax will cost taxpayers billions," said Melissa Lantsman, a spokesperson for PC Leader Doug Ford.

"Only Doug Ford has a plan to reduce hydro rates and put money back in people's pockets. We'll reduce your hydro bill by 12 per cent."

Ford has said he will fire Hydro One CEO Mayo Schmidt, and has dubbed him the $6-million-dollar man.

Horwath has said both Ford and Liberal Leader Kathleen Wynne will end up costing Ontarians more in electricity if one of them is elected come June 7. Their "hydro scheme is the wrong plan," she said.

 

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Canadian Scientists say power utilities need to adapt to climate change

Canada Power Grid Climate Resilience integrates extreme weather planning, microgrids, battery storage, renewable energy, vegetation management, and undergrounding to reduce outages, harden infrastructure, modernize utilities, and safeguard reliability during storms, ice events, and wildfires.

 

Key Points

Canada's grid resilience hardens utilities against extreme weather using microgrids, storage, renewables, and upgrades.

✅ Grid hardening: microgrids, storage, renewable integration

✅ Vegetation management reduces storm-related line contact

✅ Selective undergrounding where risk and cost justify

 

The increasing intensity of storms that lead to massive power outages highlights the need for Canada’s electrical utilities to be more robust and innovative, climate change scientists say.

“We need to plan to be more resilient in the face of the increasing chances of these events occurring,” University of New Brunswick climate change scientist Louise Comeau said in a recent interview.

The East Coast was walloped this week by the third storm in as many days, with high winds toppling trees and even part of a Halifax church steeple, underscoring the value of storm-season electrical safety tips for residents.

Significant weather events have consistently increased over the last five years, according to the Canadian Electricity Association (CEA), which has tracked such events since 2003.

#google#

Nearly a quarter of total outage hours nationally in 2016 – 22 per cent – were caused by two ice storms, a lightning storm, and the Fort McMurray fires, which the CEA said may or may not be classified as a climate event.

“It (climate change) is putting quite a lot of pressure on electricity companies coast to coast to coast to improve their processes and look for ways to strengthen their systems in the face of this evolving threat,” said Devin McCarthy, vice president of public affairs and U.S. policy for the CEA, which represents 40 utilities serving 14 million customers.

The 2016 figures – the most recent available – indicate the average Canadian customer experienced 3.1 outages and 5.66 hours of outage time.

McCarthy said electricity companies can’t just build their systems to withstand the worst storm they’d dealt with over the previous 30 years. They must prepare for worse, and address risks highlighted by Site C dam stability concerns as part of long-term planning.

“There needs to be a more forward looking approach, climate science led, that looks at what do we expect our system to be up against in the next 20, 30 or 50 years,” he said.

Toronto Hydro is either looking at or installing equipment with extreme weather in mind, Elias Lyberogiannis, the utility’s general manager of engineering, said in an email.

That includes stainless steel transformers that are more resistant to corrosion, and breakaway links for overhead service connections, which allow service wires to safely disconnect from poles and prevents damage to service masts.

Comeau said smaller grids, tied to electrical systems operated by larger utilities, often utilize renewable energy sources such as solar and wind as well as battery storage technology to power collections of buildings, homes, schools and hospitals.

“Capacity to do that means we are less vulnerable when the central systems break down,” Comeau said.

Nova Scotia Power recently announced an “intelligent feeder” pilot project, which involves the installation of Tesla Powerwall storage batteries in 10 homes in Elmsdale, N.S., and a large grid-sized battery at the local substation. The batteries are connected to an electrical line powered in part by nearby wind turbines.

The idea is to test the capability of providing customers with back-up power, while collecting data that will be useful for planning future energy needs.

Tony O’Hara, NB Power’s vice-president of engineering, said the utility, which recently sounded an alarm on copper theft, was in the late planning stages of a micro-grid for the western part of the province, and is also studying the use of large battery storage banks.

“Those things are coming, that will be an evolution over time for sure,” said O’Hara.

Some solutions may be simpler. Smaller utilities, like Nova Scotia Power, are focusing on strengthening overhead systems, mainly through vegetation management, while in Ontario, Hydro One and Alectra are making major investments to strengthen infrastructure in the Hamilton area.

“The number one cause of outages during storms, particularly those with high winds and heavy snow, is trees making contact with power lines,” said N.S. Power’s Tiffany Chase.

The company has an annual budget of $20 million for tree trimming and removal.

“But the reality is with overhead infrastructure, trees are going to cause damage no matter how robust the infrastructure is,” said Matt Drover, the utility’s director for regional operations.

“We are looking at things like battery storage and a variety of other reliability programs to help with that.”

NB Power also has an increased emphasis on tree trimming and removal, and now spends $14 million a year on it, up from $6 million prior to 2014.

O’Hara said the vegetation program has helped drive the average duration of power outages down since 2014 from about three hours to two hours and 45 minutes.

Some power cables are buried in both Nova Scotia and New Brunswick, mostly in urban areas. But both utilities maintain it’s too expensive to bury entire systems – estimated at $1 million per kilometre by Nova Scotia Power.

The issue of burying more lines was top of mind in Toronto following a 2013 ice storm, but that’s city’s utility also rejected the idea of a large-scale underground system as too expensive – estimating the cost at around $15 billion, while Ontario customers have seen Hydro One delivery rates rise in recent adjustments.

“Having said that, it is prudent to do so for some installations depending on site specific conditions and the risks that exist,” Lyberogiannis said.

Comeau said lowering risks will both save money and disruption to people’s lives.

“We can’t just do what we used to do,” said Xuebin Zhang, a senior climate change scientist at Environment and Climate Change Canada.

“We have to build in management risk … this has to be a new norm.”

 

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  • Free access to every issue

Live Online & In-person Group Training

Advantages To Instructor-Led Training – Instructor-Led Course, Customized Training, Multiple Locations, Economical, CEU Credits, Course Discounts.

Request For Quotation

Whether you would prefer Live Online or In-Person instruction, our electrical training courses can be tailored to meet your company's specific requirements and delivered to your employees in one location or at various locations.