Electric vehicles can now power your home for three days

UCS EV emissions study shows electric vehicles produce lower life-cycle emissions than gasoline cars across all states, factoring tailpipe, grid mix, power plant sources, and renewable energy, delivering mpg-equivalent advantages nationwide.

Key Points

UCS study comparing EV and gas life-cycle emissions, finding EVs cleaner than new gas cars in every U.S. region.

✅ Average EV equals 93 mpg gas car on emissions.

✅ Cleaner than 50 mpg gas cars in 97% of U.S.

✅ Regional grid mix included: tailpipe to power plant.

One of the cautions cited by electric vehicle (EV) naysayers is that they merely shift emissions from the tailpipe to the local grid’s power source, implicating state power grids as a whole, and some charging efficiency claims get the math wrong, too. And while there is a kernel of truth to this notion—they’re indeed more benign to the environment in states where renewable energy resources are prevalent—the average EV is cleaner to run than the average new gasoline vehicle in all 50 states. 

That’s according to a just-released study conducted the Union of Concerned Scientists (UCS), which determined that global warming emissions related to EVs has fallen by 15 percent since 2018. For 97 percent of the U.S., driving an electric car is equivalent or better for the planet than a gasoline-powered model that gets 50 mpg. 

In fact, the organization says the average EV currently on the market is now on a par, environmentally, with an internal combustion vehicle that’s rated at 93 mpg. The most efficient gas-driven model sold in the U.S. gets 59 mpg, and EV sales still trail gas cars despite such comparisons, with the average new petrol-powered car at 31 mpg.

For a gasoline car, the UCS considers a vehicle’s tailpipe emissions, as well as the effects of pumping crude oil from the ground, transporting it to a refinery, creating gasoline, and transporting it to filling stations. For electric vehicles, the UCS’ environmental estimates include both emissions from the power plants themselves, along with those created by the production of coal, natural gas or other fossil fuels used to generate electricity, and they are often mischaracterized by claims about battery manufacturing emissions that don’t hold up. 

Of course the degree to which an EV ultimately affects the atmosphere still varies from one part of the country to another, depending on the local power source. In some parts of the country, driving the average new gasoline car will produce four to eight times the emissions of the average EV, a fact worth noting for those wondering if it’s the time to buy an electric car today. The UCS says the average EV driven in upstate New York produces total emissions that would be equivalent to a gasoline car that gets an impossible 255-mpg. In even the dirtiest areas for generating electricity, EVs are responsible for as much emissions as a conventionally powered car that gets over 40 mpg.

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OEB Energy Storage Integration advances DERs and battery storage through CDM guidelines, streamlined connection requirements, IESO-aligned billing, grid modernization incentives, and the Innovation Sandbox, providing regulatory clarity and consumer value across Ontario's electricity system.

Key Points

A suite of OEB initiatives enabling storage and DERs via modern rules, cost recovery, billing reforms, and pilots.

✅ Updated CDM guidelines recognize storage at all grid levels.

✅ Standardized connection rules for DERs effective Oct 1, 2022.

✅ Innovation Sandbox supports pilots and temporary regulatory relief.

The energy sector is in the midst of a significant transition, where energy storage is creating new opportunities to provide more cost-effective, reliable electricity service. The OEB recognizes it has a leadership role to play in providing certainty to the sector while delivering public value, and a responsibility to ensure that the wider impacts of any changes to the regulatory framework, including grid rule changes, are well understood. 

Accordingly, the OEB has led a host of initiatives to better enable the integration of storage resources, such as battery storage, where they provide value for consumers.

Energy storage integration – our journey 
We have supported the integration of energy storage by:

Incorporating energy storage in Conservation and Demand Management (CDM) Guidelines for electricity distributors. In December 2021, the OEB released updated CDM guidelines that, among other things, recognize storage – either behind-the-meter, at the distribution level or the transmission level – as a means of addressing specific system needs. They also provide options for distributor cost recovery, aligning with broader industrial electricity pricing discussions, where distributor CDM activities also earn revenues from the markets administered by the Independent Electricity System Operator (IESO).
 
Modernizing, standardizing and streamlining connection requirements, as well as procedures for storage and other DERs, to help address Ontario's emerging supply crunch while improving project timelines. This was done through amendments to the Distribution System Code that take effect October 1, 2022, as part of our ongoing DER Connections Review.
 
Facilitating the adoption of Distributed Energy Resources (DERs), which includes storage, to enhance value for consumers by considering lessons from BESS in New York efforts. In March 2021, we launched the Framework for Energy Innovation consultation to achieve that goal. A working group is reviewing issues related to DER adoption and integration. It is expected to deliver a report to the OEB by June 2022 with recommendations on how electricity distributors can assess the benefits and costs of DERs compared to traditional wires and poles, as well as incentives for distributors to adopt third-party DER solutions to meet system needs.
 
Examining the billing of energy storage facilities. A Generic Hearing on Uniform Transmission Rates is underway. In future phases, this proceeding is expected to examine the basis for billing energy storage facilities and thresholds for gross-load billing. Gross-load billing demand includes not just a customer’s net load, but typically any customer load served by behind-the-meter embedded generation/storage facilities larger than one megawatt (or two megawatts if the energy source is renewable).
 
Enabling electricity distributors to use storage to meet system needs. Through a Bulletin issued in August 2020, we gave assurance that behind-the-meter storage assets may be considered a distribution activity if the main purpose is to remediate comparatively poor reliability of service.
 
Offering regulatory guidance in support of technology integration, including for storage, through our OEB Innovation Sandbox, as utilities see benefits across pilot deployments. Launched in 2019, the Innovation Sandbox can also provide temporary relief from a regulatory requirement to enable pilot projects to proceed. In January 2022, we unveiled Innovation Sandbox 2.0, which improves clarity and transparency while providing opportunities for additional dialogue. 
Addressing the barriers to storage is a collective effort and we extend our thanks to the sector organizations that have participated with us as we advanced these initiatives. In that regard, we provided an update to the IESO on these initiatives for a report it submitted to the Ministry of Energy, which is also exploring a hydrogen economy to support decarbonization.

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Northwest Territories EV Charging Corridor aims to link the Alberta boundary to Yellowknife with Level 3 fast chargers and Level 2 stations, boosting electric vehicle adoption in cold climates, cutting GHG emissions, supporting zero-emission targets.

Key Points

A planned corridor of Level 3 and Level 2 chargers linking Alberta and Yellowknife to boost EV uptake and cut GHGs.

✅ Level 3 fast charger funded for Behchoko by spring 2024.

✅ Up to 72 Level 2 chargers funded across N.W.T. communities.

✅ Supports Canada ZEV targets and reduces fuel use and CO2e.

Electric vehicles are a rare sight in Canada's North, with challenges such as frigid winter temperatures and limited infrastructure across remote regions.

The Northwest Territories is hoping to change that.

The territorial government plans to develop a vehicle-charging corridor between the Alberta boundary and Yellowknife to encourage more residents to buy electric vehicles to reduce their carbon footprint.

"There will soon be a time in which not having electric charging stations along the highway will be equivalent to not having gas stations," said Robert Sexton, director of energy with the territory’s Department of Infrastructure.

"Even though it does seem right now that there’s limited uptake of electric vehicles and some of the barriers seem sort of insurmountable, we have to plan to start doing this, because in five years' time, it’ll be too late."

The federal government has committed to a mandatory 100 per cent zero-emission vehicle sales target by 2035 for all new light-duty vehicles, though in Manitoba reaching EV targets is not smooth so progress may vary. It has set interim targets for at least 20 per cent of sales by 2026 and 60 per cent by 2030.

A study commissioned by the N.W.T. government forecasts electric vehicles could account for 2.9 to 11.3 per cent of all annual car and small truck sales in the territory in 2030.

The study estimates the planned charging corridor, alongside electric vehicle purchasing incentives, could reduce greenhouse gas emissions by between 260 and 1,016 tonnes of carbon dioxide equivalent in that year.

Sexton said it will likely take a few years before the charging corridor is complete. As a start, the territory recently awarded up to $480,000 to the Northwest Territories Power Corporation to install a Level 3 electric vehicle charger in Behchoko.

The N.W.T. government projects the charging station will reduce gasoline use by 61,000 litres and decrease carbon dioxide equivalent by up to 140 tonnes per year. It is scheduled to be complete by the spring of 2024.

The federal government earlier this month announced $414,000, along with $56,000 in territorial funding, to install up to 72 primarily Level 2 electric vehicle charges in public places, streets, multi-unit residential buildings, workplaces, and facilities with light-duty vehicle fleets in the N.W.T. by March 2024, while in New Brunswick new fast-charging stations are planned on the Trans-Canada.

In Yukon, the territory has pledged to develop electric vehicle infrastructure in all road-accessible communities by 2027. It has already installed 12 electric vehicle chargers with seven more planned, and in N.L. a fast-charging network signals early progress as well.

Just a few people in the N.W.T. currently own electric vehicles, and in Atlantic Canada EV adoption lags as well.

Patricia and Ken Wray in Hay River have owned a Tesla Model 3 for three years. Comparing added electricity costs with savings on gasoline, Patricia estimates they spend 60 per cent less to keep the Tesla running compared to a gas-powered vehicle.

“I don’t mind driving past the gas station,” she said.

Despite some initial hesitation about how the car would perform in the winter, Wray said she hasn’t had any issues with her Tesla when it’s -40 C, although it does take longer to charge. She added it “really hugs the road” in snowy and icy conditions.

“People in the North need to understand these cars are marvellous in the winter,” she said.

Wray said while she and her husband drive their Tesla regularly, it’s not feasible to drive long distances across the territory. As the number of electric vehicle charge stations increases across the N.W.T., however, that could change.

“I’m just very, very happy to hear that charging infrastructure is now starting to be put in place," she said.

Andrew Robinson with the YK Care Share Co-op is more skeptical about the potential success of a long-distance charging corridor. He said while government support for electric vehicles is positive, he believes there's a more immediate need to focus on uptake within N.W.T. communities. He pointed to local taxi services as an example.

"It’s a long stretch," he said of the drive from Alberta, where EVs are a hot topic, to Yellowknife. "It’s 17 hours of hardcore driving and when you throw in having to recharge, anything that makes that longer, people are not going to be really into that.”

The car sharing service, which has a 2016 Chevy Spark dubbed “Sparky,” states on its website that a Level 2 charger can usually recharge a vehicle within six to eight hours while a Level 3 charger takes approximately half an hour, as faster charging options roll out in B.C. and beyond.

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Ontario Renewable Energy Procurement 2024 will see the IESO secure wind, solar, and hydro power to meet rising electricity demand, support transit electrification, bolster grid reliability, and serve manufacturing growth across the province.

Key Points

A provincial IESO initiative to add 2,000 MW of clean power and plan 3,000 MW more to meet rising demand.

✅ IESO to procure 2,000 MW from wind, solar, hydro

✅ Exploring 3,000 MW via upgrades and expansions

✅ Demand growth ~2% yearly; electrification and industry

After the Ford government terminated renewable energy contracts five years ago, despite warnings about wind project cancellation costs that year, Ontario's electricity operator, the Independent Electricity System Operator (IESO), is now planning to once again incorporate wind and solar initiatives to address the province's increasing power demands.

The IESO, responsible for managing the provincial power supply, is set to secure 2,000 megawatts of electricity from clean sources, which include wind, solar, and hydro power, as wind power competitiveness increases across Canada. Additionally, the IESO is exploring the possibilities of reacquiring, upgrading, or expanding existing facilities to generate an additional 3,000 MW of electricity in the future.

These new power procurement efforts in Ontario aim to meet the rising energy demand driven by transit electrification and large-scale manufacturing projects, even as national renewable growth projections were scaled back after Ontario scrapped its clean energy program, which are expected to exert greater pressure on the provincial grid.

The IESO projects a consistent growth in demand of approximately two percent per year over the next two decades. This growth has prompted the Ford government, amid debate over Ontario's electricity future in the province, to take proactive measures to prevent potential blackouts or disruptions for both residential and commercial consumers.

This renewed commitment to renewable energy represents a significant policy shift for Premier Doug Ford, reflecting his new stance on wind power over time, who had previously voiced strong opposition to wind turbines and pledged to dismantle all windmills in the province. In 2018, shortly after taking office, the government terminated 750 renewable energy contracts that had been signed by the previous Liberal government, incurring fees of $230 million for taxpayers.

At the time, the government cited reasons such as surplus electricity supply and increased costs for ratepayers as grounds for contract cancellations. Premier Ford expressed pride in the decision, echoing a proud of cancelling contracts stance, claiming that it saved taxpayers $790 million and eliminated what he viewed as detrimental wind turbines that had negatively impacted the province's energy landscape for 15 years.

The Ontario government's new wind and solar energy procurement initiatives are scheduled to commence in 2024, following a court ruling on a Cornwall wind farm that spotlighted cancellation decisions.

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US Solar Electricity Generation 2022 rose to a 4.7% share, with 202,256 GWh, per EIA Electric Power Monthly; driven by PV capacity additions despite import constraints, alongside renewables trends in wind, nuclear, and hydroelectric output.

Key Points

The share and output of US solar PV in 2022: 4.7% of electricity and 202,256 GWh, as reported by the EIA.

✅ Solar PV reached 4.7% of US power; 202,256 GWh generated in 2022.

✅ Monthly share varied from about 3% in Jan to just over 6% in Apr.

✅ Wind was 10.1%; wind+solar hit slightly over 20% in April.

In 2022, solar photovoltaics made up 4.7% of U.S. electricity generation, an increase of almost 21% over the 2021 total when solar produced 3.9% of US electricity and about 3% in 2020 according to long-term outlooks. Total solar generation was up 25%, breaking through 200,000 GWh for the year.

The record deployment volumes of 2020 when renewables became the second-most U.S. electricity source and 2021 are the main factors behind this increase. If it were not for ongoing solar panel import difficulties and general inflation, solar’s contribution to electricity generation might have reached 5% in 2022. The data was released by the Department of Energy’s Energy Information Administration (EIA) in their Electric Power Monthly. This release includes data from December 2022, as well as the rest of the data from 2022.

Solar as a percentage of monthly electricity generation ranged from a low of almost 3% in January, to just over 6% in April. April’s production marked a new monthly record for solar generation in the US and coincided with a renewables share record that month.

Total generation of solar electricity peaked in July, at 21,708 GWh. Over the course of the year, solar production reached  202,256 GWh, and total U.S. electricity generation reached 4,303,980 GWh, a year in which renewables surpassed coal in the power mix overall. Total US electricity generation increased by 3.5% over the 4,157,467 GWh produced in 2021.

In 2022, wind energy contributed 10.1% of the total electricity generated in the United States. Wind and solar together produced 14.8% of U.S. electricity in 2022, growing from the 13% recorded in 2021. In April, when solar power peaked at just over 6%, wind and solar power together reached a peak of slightly over 20%, as a wind-and-solar milestone versus nuclear was noted that month, a new monthly record for the two energy sources.

In total, emissions free energy sources such as wind, solar photovoltaic and thermal, nuclear, hydroelectric, and geothermal, accounted for 37.9% of the total electricity generated in the U.S., while renewables provided about 25.5% share of the mix during the year. This value is barely higher than 2020’s 37.7% – but represents a return to growth after 2021 saw a decrease in emission free electricity to 37%.

Nuclear power was the most significant contributor to emission free electricity, making up a bit more than 45% of the total emissions free electricity. Wind energy ranked second at 26%, followed by hydroelectricity at 15%, and solar photovoltaic at 12%, confirming solar as the #3 renewable in the U.S. mix.

Emissions free electricity is a different summation than the EIA’s ‘Renewable Energy’ category. The Renewable Energy category also includes:

• Wood and Wood-Derived Fuels
• Landfill Gas
• Biogenic Municipal Solid Waste
• Other Waste Biomass

Nuclear produced 17.9% of the total U.S. electricity, a value that has generally stayed flat over the years. However, since nuclear facilities are being retired faster than new facilities are coming online, nuclear production has fallen in the past two years. After multiple long delays, we will probably see reactor three of the Vogtle nuclear facility come online in 2023. Reactor four is officially scheduled to come online later this year.

Hydroelectric production also declined in 2022, due to drought conditions in the southwestern United States. With rain and snow storms in California and the southwest, hydroelectricity generation may rebound in 2023.

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Thermoradiative Diode Power leverages infrared radiation and night-sky cooling to harvest waste heat. Using MCT (mercury cadmium telluride) detectors with photovoltaics, it extends renewable energy generation after sunset, exploiting radiative cooling and low-power density.

Key Points

Technology using MCT infrared diodes to turn radiative Earth-to-space heat loss into electricity, aiding solar at night.

✅ MCT diodes radiate to cold sky, generating tiny current at 20 C

✅ Complements photovoltaics by harvesting post-sunset infrared flux

✅ Potential up to one-tenth solar output with further efficiency gains

Conventional solar technology soaks up rays of incoming sunlight to bump out a voltage. Strange as it seems, some materials are capable of running in reverse, producing power as they radiate heat back into the cold night sky environment.

A team of engineers in Australia has now demonstrated the theory in action, using the kind of technology commonly found in night-vision goggles to generate power, while other research explores electricity from thin air concepts under ambient humidity.

So far, the prototype only generates a small amount of power, and is probably unlikely to become a competitive source of renewable power on its own – but coupled with existing photovoltaics technology and thermal energy into electricity approaches, it could harness the small amount of energy provided by solar cells cooling after a long, hot day's work.

"Photovoltaics, the direct conversion of sunlight into electricity, is an artificial process that humans have developed in order to convert the solar energy into power," says Phoebe Pearce, a physicist from the University of New South Wales.

"In that sense, the thermoradiative process is similar; we are diverting energy flowing in the infrared from a warm Earth into the cold Universe."

By setting atoms in any material jiggling with heat, you're forcing their electrons to generate low-energy ripples of electromagnetic radiation in the form of infrared light, a principle also explored with carbon nanotube energy harvesters in ambient conditions.

As lackluster as this electron-shimmy might be, it still has the potential to kick off a slow current of electricity. All that's needed is a one-way electron traffic signal called a diode.

Made of the right combination of elements, a diode can shuffle electrons down the street as it slowly loses its heat to a cooler environment.

In this case, the diode is made of mercury cadmium telluride (MCT). Already used in devices that detect infrared light, MCT's ability to absorb mid-and long-range infrared light and turn it into a current is well understood.

What hasn't been entirely clear is how this particular trick might be used efficiently as an actual power source.

Warmed to around 20 degrees Celsius (nearly 70 degrees Fahrenheit), one of the tested MCT photovoltaic detectors generated a power density of 2.26 milliwatts per square meter.

Granted, it's not exactly enough to boil a jug of water for your morning coffee. You'd probably need enough MCT panels to cover a few city blocks for that small task.

But that's not really the point, either, given it's still very early days in the field, and there's potential for the technology to develop significantly further in the future.

"Right now, the demonstration we have with the thermoradiative diode is relatively very low power. One of the challenges was actually detecting it," says the study's lead researcher, Ned Ekins-Daukes.

"But the theory says it is possible for this technology to ultimately produce about 1/10th of the power of a solar cell."

At those kinds of efficiencies, it might be worth the effort weaving MCT diodes into more typical photovoltaic networks alongside thin-film waste heat solutions so that they continue to top up batteries long after the Sun sets.

To be clear, the idea of using the planet's cooling as a source of low-energy radiation is one engineers have been entertaining for a while now. Different methods have seen different results, all with their own costs and benefits, with low-cost heat-to-electricity materials also advancing in parallel.

Yet by testing the limits of each and fine-tuning their abilities to soak up more of the infrared bandwidth, we can come up with a suite of technologies and thermoelectric materials capable of wringing every drop of power out of just about any kind of waste heat.

"Down the line, this technology could potentially harvest that energy and remove the need for batteries in certain devices – or help to recharge them," says Ekins-Daukes.

"That isn't something where conventional solar power would necessarily be a viable option."

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