Fourth reactor plans go to NRC

Bitcoin Energy Consumption drives debate on blockchain mining, proof-of-work, carbon footprint, and emissions, with CCAF estimates in terawatt hours highlighting electricity demand, fossil fuel reliance, and sustainability concerns for data centers and cryptocurrency networks.

Key Points

Electricity used by Bitcoin proof-of-work mining, often fossil-fueled, estimated by CCAF in terawatt hours.

✅ CCAF: 40-445 TWh, central estimate ~130 TWh

✅ ~66% of mining electricity sourced from fossil fuels

✅ Proof-of-work increases hash rate, energy, and emissions

The University of Cambridge Centre for Alternative Finance (CCAF) studies the burgeoning business of cryptocurrencies.

It calculates that Bitcoin's total energy consumption is somewhere between 40 and 445 annualised terawatt hours (TWh), with a central estimate of about 130 terawatt hours.

The UK's electricity consumption is a little over 300 TWh a year, while Argentina uses around the same amount of power as the CCAF's best guess for Bitcoin, as countries like New Zealand's electricity future are debated to balance demand.

And the electricity the Bitcoin miners use overwhelmingly comes from polluting sources, with the U.S. grid not 100% renewable underscoring broader energy mix challenges worldwide.

The CCAF team surveys the people who manage the Bitcoin network around the world on their energy use and found that about two-thirds of it is from fossil fuels, and some regions are weighing curbs like Russia's proposed mining ban amid electricity deficits.

Huge computing power - and therefore energy use - is built into the way the blockchain technology that underpins the cryptocurrency has been designed.

It relies on a vast decentralised network of computers.

These are the so-called Bitcoin "miners" who enable new Bitcoins to be created, but also independently verify and record every transaction made in the currency.

In fact, the Bitcoins are the reward miners get for maintaining this record accurately.

It works like a lottery that runs every 10 minutes, explains Gina Pieters, an economics professor at the University of Chicago and a research fellow with the CCAF team.

Data processing centres around the world, including hotspots such as Iceland's mining strain, race to compile and submit this record of transactions in a way that is acceptable to the system.

They also have to guess a random number.

The first to submit the record and the correct number wins the prize - this becomes the next block in the blockchain.

Estimates for bitcoin's electricity consumption
At the moment, they are rewarded with six-and-a-quarter Bitcoins, valued at about $50,000 each.

As soon as one lottery is over, a new number is generated, and the whole process starts again.

The higher the price, says Prof Pieters, the more miners want to get into the game, and utilities like BC Hydro suspending new crypto connections highlight grid pressures.

"They want to get that revenue," she tells me, "and that's what's going to encourage them to introduce more and more powerful machines in order to guess this random number, and therefore you will see an increase in energy consumption," she says.

And there is another factor that drives Bitcoin's increasing energy consumption.

The software ensures it always takes 10 minutes for the puzzle to be solved, so if the number of miners is increasing, the puzzle gets harder and the more computing power needs to be thrown at it.

Bitcoin is therefore actually designed to encourage increased computing effort.

The idea is that the more computers that compete to maintain the blockchain, the safer it becomes, because anyone who might want to try and undermine the currency must control and operate at least as much computing power as the rest of the miners put together.

What this means is that, as Bitcoin gets more valuable, the computing effort expended on creating and maintaining it - and therefore the energy consumed - inevitably increases.

We can track how much effort miners are making to create the currency.

They are currently reckoned to be making 160 quintillion calculations every second - that's 160,000,000,000,000,000,000, in case you were wondering.

And this vast computational effort is the cryptocurrency's Achilles heel, says Alex de Vries, the founder of the Digiconomist website and an expert on Bitcoin.

All the millions of trillions of calculations it takes to keep the system running aren't really doing any useful work.

"They're computations that serve no other purpose," says de Vries, "they're just immediately discarded again. Right now we're using a whole lot of energy to produce those calculations, but also the majority of that is sourced from fossil energy, and clean energy's 'dirty secret' complicates substitution."

The vast effort it requires also makes Bitcoin inherently difficult to scale, he argues.

"If Bitcoin were to be adopted as a global reserve currency," he speculates, "the Bitcoin price will probably be in the millions, and those miners will have more money than the entire [US] Federal budget to spend on electricity."

"We'd have to double our global energy production," he says with a laugh, even as some argue cheap abundant electricity is getting closer to reality today. "For Bitcoin."

He says it also limits the number of transactions the system can process to about five per second.

This doesn't make for a useful currency, he argues.

Rising price of bitcoin graphic
And that view is echoed by many eminent figures in finance and economics.

The two essential features of a successful currency are that it is an effective form of exchange and a stable store of value, says Ken Rogoff, a professor of economics at Harvard University in Cambridge, Massachusetts, and a former chief economist at the International Monetary Fund (IMF).

He says Bitcoin is neither.

"The fact is, it's not really used much in the legal economy now. Yes, one rich person sells it to another, but that's not a final use. And without that it really doesn't have a long-term future."

What he is saying is that Bitcoin exists almost exclusively as a vehicle for speculation.

So, I want to know: is the bubble about to burst?

"That's my guess," says Prof Rogoff and pauses.

"But I really couldn't tell you when."

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AI Load Forecasting for Utilities leverages machine learning, smart meters, and predictive analytics to balance energy demand during COVID-19 disruptions, optimize grid reliability, support demand response, and stabilize rates for residential and commercial customers.

Key Points

AI predicts utility demand with ML and smart meters to improve reliability and reduce costs.

✅ Adapts to rapid demand shifts with accurate short term forecasts

✅ Optimizes demand response and distributed energy resources

✅ Reduces outages risk while lowering procurement and operating costs

The spread of the novel coronavirus that causes COVID-19 has prompted state and local governments around the U.S. to institute shelter-in-place orders and business closures. As millions suddenly find themselves confined to their homes, the shift has strained not only internet service providers, streaming platforms, and online retailers, but the utilities supplying power to the nation’s electrical grid, which face longer, more frequent outages as well.

U.S. electricity use on March 27, 2020 was 3% lower than it was on March 27, 2019, a loss of about three years of sales growth. Peter Fox-Penner, director of the Boston University Institute for Sustainable Energy, asserted in a recent op-ed that utility revenues will suffer because providers are halting shutoffs and deferring rate increases. Moreover, according to research firm Wood Mackenzie, the rise in household electricity demand won’t offset reduced business electricity demand, mainly because residential demand makes up just 40% of the total demand across North America.

Some utilities are employing AI and machine learning for the energy transition to address the windfalls and fluctuations in energy usage resulting from COVID-19. Precise load forecasting could ensure that operations aren’t interrupted in the coming months, thereby preventing blackouts and brownouts. And they might also bolster the efficiency of utilities’ internal processes, leading to reduced prices and improved service long after the pandemic ends.

Innowatts
Innowatts, a startup developing an automated toolkit for energy monitoring and management, counts several major U.S. utility companies among its customers, including Portland General Electric, Gexa Energy, Avangrid, Arizona Public Service Electric, WGL, and Mega Energy. Its eUtility platform ingests data from over 34 million smart energy meters across 21 million customers in more than 13 regional energy markets, while its machine learning algorithms analyze the data to forecast short- and long-term loads, variances, weather sensitivity, and more.

Beyond these table-stakes predictions, Innowatts helps evaluate the effects of different rate configurations by mapping utilities’ rate structures against disaggregated cost models. It also produces cost curves for each customer that reveal the margin impacts on the wider business, and it validates the yield of products and cost of customer acquisition with models that learn the relationships between marketing efforts and customer behaviors (like real-time load).

Innowwatts told VentureBeat that it observed “dramatic” shifts in energy usage between the first and fourth weeks of March. In the Northeast, “non-essential” retailers like salons, clothing shops, and dry cleaners were using only 35% as much energy toward the end of the month (after shelter-in-place orders were enacted) versus the beginning of the month, while restaurants (excepting pizza chains) were using only 28%. In Texas, conversely, storage facilities were using 142% as much energy in the fourth week compared with the first.

Innowatts says that throughout these usage surges and declines, its clients took advantage of AI-based load forecasting to learn from short-term shocks and make timely adjustments. Within three days of shelter-in-place orders, the company said, its forecasting models were able to learn new consumption patterns and produce accurate forecasts, accounting for real-time changes.

Innowatts CEO Sid Sachdeva believes that if utility companies had not leveraged machine learning models, demand forecasts in mid-March would have seen variances of 10-20%, significantly impacting operations.

“During these turbulent times, AI-based load forecasting gives energy providers the ability to … develop informed, data-driven strategies for future success,” Sachdeva told VentureBeat. “With utilities and energy retailers seeing a once-in-a-lifetime 30%-plus drop in commercial energy consumption, accurate forecasting has never been more important. Without AI tools, utilities would see their forecasts swing wildly, leading to inaccuracies of 20% or more, placing an enormous strain on their operations and ultimately driving up costs for businesses and consumers.”

Autogrid
Autogrid works with over 50 customers in 10 countries — including Energy Australia, Florida Power & Light, and Southern California Edison — to deliver AI-informed power usage insights. Its platform makes 10 million predictions every 10 minutes and optimizes over 50 megawatts of power, which is enough to supply the average suburb.

Flex, the company’s flagship product, predicts and controls tens of thousands of energy resources from millions of customers by ingesting, storing, and managing petabytes of data from trillions of endpoints. Using a combination of data science, machine learning, and network optimization algorithms, Flex models both physics and customer behavior, automatically anticipating and adjusting for supply and demand patterns through virtual power plants that coordinate distributed assets.

Autogrid also offers a fully managed solution for integrating and utilizing end-customer installations of grid batteries and microgrids. Like Flex, it automatically aggregates, forecasts, and optimizes capacity from assets at sub-stations and transformers, reacting to distribution management needs while providing capacity to avoid capital investments in system upgrades.

Autogrid CEO Dr. Amit Narayan told VentureBeat that the COVID-19 crisis has heavily shifted daily power distribution in California, where it’s having a “significant” downward impact on hourly prices in the energy market. He says that Autogrid has also heard from customers about transformer failures in some regions due to overloaded circuits, which he expects will become a problem in heavily residential and saturated load areas during the summer months (as utilities prepare for blackouts across the U.S. when air conditioning usage goes up).

“In California, [as you’ll recall], more than a million residents faced wildfire prevention-related outages in PG&E territory in 2019,” Narayan said, referring to the controversial planned outages orchestrated by Pacific Gas & Electric last summer. “The demand continues to be high in 2020 in spite of the COVID-19 crisis, as residents prepare to keep the lights on and brace for a similar situation this summer. If a 2019 repeat happens again, it will be even more devastating, given the health crisis and difficulty in buying groceries.”

AI making a difference
AI and machine learning isn’t a silver bullet for the power grid — even with predictive tools at their disposal, utilities are beholden to a tumultuous demand curve and to mounting climate risks across the grid. But providers say they see evidence the tools are already helping to prevent the worst of the pandemic’s effects — chiefly by enabling them to better adjust to shifted daily and weekly power load profiles.

“The societal impact [of the pandemic] will continue to be felt — people may continue working remotely instead of going into the office, they may alter their commute times to avoid rush hour crowds, or may look to alternative modes of transportation,” Schneider Electric chief innovation officer Emmanuel Lagarrigue told VentureBeat. “All of this will impact the daily load curve, and that is where AI and automation can help us with maintenance, performance, and diagnostics within our homes, buildings, and in the grid.”

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California Wildfire Smoke Impact on Solar reduces photovoltaic output, as particulate pollution, soot, and haze dim sunlight and foul panels, cutting utility-scale generation and grid reliability across CAISO during peak demand and heatwaves.

Key Points

How smoke and soot cut solar irradiance and foul panels, slashing PV generation and straining CAISO grid operations.

✅ Smoke blocks sunlight; soot deposition reduces panel efficiency.

✅ CAISO reported ~30% drop versus July during peak smoke.

✅ Longer fire seasons threaten solar reliability and capacity planning.

Smoke from California’s unprecedented wildfires was so bad that it cut a significant chunk of solar power production in the state, even as U.S. solar generation rose in 2022 nationwide. Solar power generation dropped off by nearly a third in early September as wildfires darkened the skies with smoke, according to the US Energy Information Administration.

Those fires create thick smoke, laden with particles that block sunlight both when they’re in the air and when they settle onto solar panels. In the first two weeks of September, soot and smoke caused solar-powered electricity generation to fall 30 percent compared to the July average, according to the California Independent System Operator (CAISO), which oversees nearly all utility-scale solar energy in California, where wind and solar curtailments have been rising amid grid constraints. It was a 13.4 percent decrease from the same period last year, even though solar capacity in the state has grown about 5 percent since September 2019.

California depends on solar installations for nearly 20 percent of its electricity generation, and has more solar capacity than the next five US states trailing it combined as it works to manage its solar boom sustainably. It will need even more renewable power to meet its goal of 100 percent clean electricity generation by 2045, building on a recent near-100% renewable milestone that underscored the transition. The state’s emphasis on solar power is part of its long-term efforts to avoid more devastating effects of climate change. But in the short term, California’s renewables are already grappling with rising temperatures.

Two records were smashed early this September that contributed to the loss of solar power. California surpassed 2 million acres burned in a single fire season for the first time (1.7 million more acres have burned since then). And on September 15th, small particle pollution reached the highest levels recorded since 2000, according to the California Air Resources Board. Winds that stoked the flames also drove pollution from the largest fires in Northern California to Southern California, where there are more solar farms.

Smaller residential and commercial solar systems were affected, too, and solar panels during grid blackouts typically shut off for safety, although smoke was the primary issue here. “A lot of my systems were producing zero power,” Steve Pariani, founder of the solar installation company Solar Pro Energy Systems, told the San Mateo Daily Journal in September.

As the planet heats up, California’s fire seasons have grown longer, and blazes are tearing through more land than ever before, while grid operators are also seeing rising curtailments as they integrate more renewables. For both utilities and smaller solar efforts, wildfire smoke will continue to darken solar energy’s otherwise bright future, even as it becomes the No. 3 renewable source in the U.S. by generation.

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South Carolina Energy Freedom Act lifts net metering caps, reforms PURPA, and overhauls utility planning to boost solar competition, grid resiliency, and consumer choice across the Southeast amid Santee Cooper debt and utility monopoly pressure.

Key Points

A bipartisan reform lifting net metering caps, modernizing PURPA, and updating utility planning to expand solar.

✅ Lifts net metering cap to accelerate rooftop and community solar.

✅ Reforms PURPA contracts to enable fair pricing and transparent procurement.

✅ Modernizes utility IRP and opens markets to competition and customer choice.

The South Carolina House has approved the latest version of the Energy Freedom Act, a bill that overhauls the state’s electricity policies, including lifting the net metering caps and reforming PURPA implementation and utility planning processes in a way that advocates say levels the playing field for solar at all scales.

With Governor Henry McMaster (R) expected to sign the bill shortly, this is a major coup not just for solar in the state, but the region. This is particularly notable given the struggle that solar has had just to gain footing in many parts of the South, which is dominated by powerful utility monopolies and conservative politicians.

Two days ago when the bill passed the Senate we covered the details of the policy, but today we’re going to take a look at the politics of getting the Energy Freedom Act passed, and what this means for other Southern states and “red” states.

Opportunity amid crisis

The first thing to note about this bill is that it comes within a crisis in South Carolina’s electricity sector. This was the first legislative session following state-run utility Santee Cooper’s formal abandonment of a project to build two new reactors at the Virgil C. Sumner nuclear power plant, on which work stopped nearly two years ago.

Santee Cooper still holds $4 billion in construction debt related to the nuclear projects. According to an article in The State, this is costing its customers $5 per month toward the current debt, and this will rise to $13 per month for the next 40 years.

Such costs are particularly unwelcome in South Carolina, which has the highest annual electricity bills in the nation due to a combination of very high electricity usage driven by widespread air conditioning during the hot summers and higher prices per unit of power than other Southern states.

Following this fiasco, Santee Cooper’s CEO has stepped down, and the state government is currently considering selling the utility to a private entity. According to Maggie Clark, southeast state affairs senior manager for Solar Energy Industries Association, all of this set the stage for the bill that passed today.

“South Carolina is in a really ripe state for transformational energy policy in the wake of the VC Sumner nuclear plant cancellation,” Clark told pv magazine. “They were looking for a way forward, and I think this bill really provided them something to champion.”

Renewable energy policy for red states

This major win for solar policy comes in a state where the Republican Party holds majorities in both houses of the state’s legislature and sends bills to a Republican governor.

Broadly speaking, Republican politicians seldom show the level of interest in supporting renewable energy that Democrats do either at the state or national level, and show even less inclination to act to address greenhouse gas emissions. In fact, the 100% clean energy mandates that are being implemented in four states and Washington D.C. have only passed with Democratic trifectas, in other words with Republicans controlling neither house of the state legislature nor the governor’s office. (Note: This does not apply to Puerto Rico, which has a different party structure to the rest of the United States)

However, South Carolina shows there are Republican politicians who will support pro-renewable energy policies, and circumstances under which Republican majorities will vote for legislation that aids the adoption of solar. And these specific circumstances speak to both different priorities and ideological differences between the two parties.

SEIA’s Maggie Clark emphasizes that the Energy Freedom Act was about reforming market rules. “This was a way to provide a program that did not provide subsidies or incentives in any way, but to really open the market to competition,” explains Clark. “I think that appealing to conservatives in the South about energy independence and resiliency and ultimately cost savings is the winning message on this issue.”

Such messaging in South Carolina is not an accident. Not only has such messaging been successful in the past, but coalition partner Vote Solar paid for polling to find what messages resounded with the state’s voters, and found that choice and competition were likely to resound.

And all of this happened in the context of what Clark describes as an “extremely well-resourced effort”, with SEIA in particular dedicating national attention and resources to the state – as part of an effort by President and CEO Abigail Hopper to shift attention more towards state-level policy. Maggie Clark is one of two new regional staff who Hopper has hired, and SEIA’s first staff member focused on Southern states.

“Absolutely the South is a prioritized region,” Hopper told pv magazine, noting that three Southern states – the Carolinas and Florida – are among the 12 states that the organization has identified to work on this year. “It became clear that as a region it needed more attention.”

SEIA is not expecting fly-by-night victories, and Hopper attributes the success in South Carolina not only to a broad coalition, but to years of work on the ground in the state.

Nor is SEIA the only organization to grow its presence in the region. Vote Solar now has two full time staff located in the South, whereas two years ago its sole staff member dedicated to the region was located in Washington D.C.

Ideology versus reality in the South

The Energy Freedom Act aligns with conservative ideas about small government and competition, but the American right is not monolithic, nor do political ideas and actions always line up neatly, as other successful policies in other states in the region show

By far the largest deployment of renewable energy in the nation has been in Texas, aside from in California which leads overall. Here a system of renewable energy zones in the sparsely populated but windy and sunny west, north and center of the state feed cities to the east with power from wind and more recently solar.

This was enabled by transmission lines whose cost was socialized among the state’s ratepayers – a tremendous irony given that the state’s politicians would be some of the last in the nation to want to be identified with socializing anything.

Another example is Louisiana, which saw a healthy residential solar market over the last decade due to a 50% state rebate. The policy has expired, but when operating it was exactly the sort of outright subsidy that right-wing media and politicians rail against.

Of course there is also North Carolina, which built the 2nd-largest solar market in the nation on the back of successful state-level implementation of PURPA, a federal law. Finally there is Virginia, where large-scale projects are booming following a 2018 law that found that 5 GW of solar is in the public interest.

Furthermore, while conservatives continually expound the virtues of the free market, the reality of the electricity sector in the “deep red” South is anything but that. The region missed out on the wave of deregulation in the 1990s, and remains dominated by monopoly utilities regulated by the state: a union of big business and big government where competition is non-existent.

This has also meant that the solar which has been deployed in the South is mostly not the kind of rooftop solar that many think of as embodying energy independence, but rather large-scale solar built in farms, fields and forests.

Where to from here?

With such contradictions between stated ideology and practice, it is less clear what makes for successful renewable energy policy in the South. However, opening up markets appears to be working not only in South Carolina, but also in Florida, where third-party solar companies are making inroads after the state’s voters rejected a well-funded and duplicitous utilities’ campaign to kill distributed solar.

SEIA’s Hopper says that she is “aggressively optimistic” about solar in Florida. As utilities have dominated large-solar deployment in the state, even as the state declined federal solar incentives earlier this year, she says that she sees opening up the state’s booming utility-scale solar market to competition as a priority.

Some parts of the region may be harder than others, and it is notable that SEIA has not had as much to say about Alabama, Mississippi or Louisiana, which are largely controlled by utility giants Southern Company and Entergy, or the area under the thumb of the Tennessee Valley Authority, one of the most anti-solar entities in the power sector.

Abby Hopper says ultimately, demand from customers – both individuals and corporations – is the key to transforming policy. “You replicate these victories by customer demand,” Hopper told pv magazine. “That combination of voices from the customer are what’s going to drive change.”

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NB Power eCharge Network expands EV charging in New Brunswick with fast chargers, level 2 stations, Trans-Canada Highway coverage, and green infrastructure, enabling worry-free electric vehicle travel and lower emissions across the province.

Key Points

NB Power eCharge Network is a provincewide EV charging system with fast and level 2 stations for reliable travel.

✅ 15 fast-charging sites on Trans-Canada and northern New Brunswick

✅ Level 2 stations at highways, municipalities, and businesses

✅ 20-30 minute DC fast charging; cut emissions ~80% and fuel ~75%

NB Power announced Friday the eCharge Network, the province’s first electric vehicle charging network aimed at giving drivers worry-free travel everywhere in the province.

The network includes 15 locations along the province’s busiest highways where both fast-chargers and level-2 chargers will be available. In addition, nine level-2 chargers are already located at participating municipalities and businesses throughout the province. The new locations will be installed by the end of 2017.

NB Power is working with public and private partners to add to the network to enable electric vehicle owners to drive with confidence and to encourage others to make the switch from gas to electric vehicles, supported by a provincial rebate program now available.

“We are incredibly proud to offer our customers and visitors to New Brunswick convenient charging with the launch of our eCharge Network,” said Gaëtan Thomas, president and CEO of NB Power. “Our goal is to make it easy for owners of electric vehicles to drive wherever they choose in New Brunswick, and to encourage more drivers to consider an electric vehicle for their next purchase.”

An electric vehicle owner in New Brunswick can shrink their vehicle carbon footprint by about 80 per cent while reducing their fuel-related costs by about 75 per cent, according to NB Power, and broader grid benefits are being explored through Nova Scotia's vehicle-to-grid pilot across the region.

In addition to the network of standard charging stations, the eCharge network will also include 400 volt fast-charging stations along the Trans-Canada Highway and in the northern parts of New Brunswick. The first of their kind in New Brunswick, these 15 fast-charging stations, similar to Newfoundland and Labrador's newly completed fast-charging network connecting communities, will enable all-electric vehicles to recharge in as little as 20 to 30 minutes. Fast-charge sites will include standard level-2 stations for both battery electric vehicles and plug-in hybrids.

NB Power will install fast-charge and level-2 sites at five locations throughout northern New Brunswick, addressing northern coverage challenges seen elsewhere, such as Labrador's infrastructure gaps today, which will be cost-shared with government. Locations include the areas of Saint-Quentin/Kedgwick, Campbellton, Bathurst, Tracadie, and Miramichi.

“Our government understands that embracing the green economy and reducing our carbon footprint is a priority for New Brunswickers,” said Environment and Local Government Minister Serge Rousselle. “Our climate change action plan calls for a collaborative approach to creating the strategic infrastructure to support electric vehicles throughout all regions in the province, and we are pleased to see this important step underway. New Brunswickers will now have the necessary network to adopt new methods of transportation and contribute to our provincial plan to increase the number of electric vehicles on the road and will help meet emission reduction targets as we work to combat climate change.”

An investment of $500,000 from Natural Resources Canada will go towards purchasing and installing the charging stations for the 10 fast-charging stations along the Trans-Canada Highway.

“The eCharge Network will make it easier for Canadians to choose cleaner options and helps put New Brunswick’s transportation system on a path to a lower-carbon future,” said Moncton-Riverview-Dieppe MP Ginette Petitpas Taylor. “The Government of Canada continues to support green infrastructure in the transportation sector that will advance Canada’s efforts to build a clean economy, create well-paying jobs, and achieve our climate change goals.”

Petitpas Taylor attended for federal Natural Resources Minister Jim Carr.

Fast chargers are being installed at the following locations along the Trans-Canada Highway across New Brunswick:

– Irving Big Stop, Aulac

– Edmundston Truck Stop

– Irving Big Stop, Saint-André

– Johnson Guardian, Perth-Andover

– Murray’s Irving, Woodstock

– Petro-Canada / Acorn Restaurant, Prince William

– Irving Big Stop, Waasis

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Ontario CDM Programs expand energy efficiency, demand response, and DER incentives via IESO's Save on Energy, cutting peak demand, lowering bills, and supporting electrification, retrofits, and LED lighting to meet Ontario's growing electricity needs.

Key Points

Ontario CDM Programs are IESO incentives that cut peak demand and energy use via demand response, retrofits and DERs.

✅ Delivered by IESO's Save on Energy to reduce peak demand

✅ Incentives for demand response, retrofits, LEDs, and DER solutions

✅ Help homes, businesses, and greenhouses lower bills and emissions

Ontario will be making available four new and expanded energy-efficiency programs, also known as Conservation and Demand Management (CDM) programs, to ensure a reliable, affordable, and clean electricity system, including ultra-low overnight pricing options to power the province, drive electrification and support strong economic growth. As there will be a need for additional electricity capacity in Ontario beginning in 2025, and continuing through the decade, CDM programs are among the fastest and most cost-effective ways of meeting electricity system needs.

Conservation and Demand Management

The Ontario government launched the 2021-2024 CDM Framework on January 1, 2021. The framework focuses on cost-effectively meeting the needs of Ontario’s electricity system, including by focusing on the achievement of provincial peak demand reductions and initiatives such as extended off-peak electricity rates, as well as on targeted approaches to address regional and/or local electricity system needs.

CDM programs are delivered by the Independent Electricity System Operator (IESO), which implemented staff lockdown measures during COVID-19, through the Save on Energy brand. These programs address electricity system needs and help consumers reduce their electricity consumption to lower their bills. CDM programs and incentives are available for homeowners, small businesses, large businesses, and contractors, and First Nations communities.

New and Expanded Programs

The four new and expanded CDM programs will include:

A new Residential Demand Response Program for homes with existing central air conditioning and smart thermostats to help deliver peak demand reductions. Households who meet the criteria could voluntarily enroll in this program and, alongside protections like disconnection moratoriums for residential customers, be paid an incentive in return for the IESO being able to reduce their cooling load on a select number of summer afternoons to reduce peak demand. There are an estimated 600,000 smart thermostats installed in Ontario.
Targeted support for greenhouses in Southwest Ontario, including incentives to install LED lighting, non-lighting measures or behind-the-meter distributed energy resources (DER), such as combined solar generation and battery storage.
Enhancements to the Save On Energy Retrofit Program for business, municipalities, institutional and industrial consumers to include custom energy-efficiency projects. Examples of potential projects could include chiller and other HVAC upgrades for a local arena, building automation and air handling systems for a hospital, or building envelope upgrades for a local business.
Enhancements to the Local Initiatives Program to reduce barriers to participation and to add flexibility for incentives for DER solutions.
It is the government’s intention that the new and expanded CDM programs will be available to eligible electricity customers beginning in Spring 2023.

The IESO estimates that the new program offers will deliver total provincial peak electricity demand savings of 285 megawatts (MW) and annual energy savings of 1.1 terawatt hours (TWh) by 2025, reflecting pandemic-era electricity usage shifts across Ontario. Savings will persist beyond 2025 with a total reduction in system costs by approximately $650 million over the lifetime of the measures, and will support economic recovery, as seen with electricity relief during COVID-19 measures, decarbonization and energy cost management for homes and businesses.

These enhancements will have a particular impact in Southwest Ontario, with regional peak demand savings of 225 MW, helping to alleviate electricity system constraints in the region and foster economic development, supported by stable electricity pricing for industrial and commercial companies in Ontario.

The overall savings from this CDM programming will result in an estimated three million tonnes of greenhouse gas emissions reductions over the lifetime of the energy-efficiency measures to help achieve Ontario’s climate targets and protect the environment for the future.

The IESO will be updating the CDM Framework Program Plan, which provides a detailed breakdown of program budgets and energy savings and peak demand targets expected to be achieved.

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