EV Home Charging: I Did the Math—and Saved Hundreds of Dollars
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EV Home Charging: I Did the Math—and Saved Hundreds of Dollars

High-voltage outlets, smart chargers, money-saving utility programs: what to know about charging EVs at home

By JOANNA STERN
Thu, Mar 28, 2024 9:06amGrey Clock 4 min

Things I miss about my local gas station:

That’s it. That’s the list. OK, fine, I did enjoy the communal squeegees.

This week marks six months since the grand opening of my home electric-vehicle charging station. Congrats to the whole team! (Me and my electrician.) Located between my garage door and recycling bin, it’s hard to beat for the convenience. And also the price.

If you’ve followed my ad-EV-ntures, you’re aware of my feelings about the hell that is public EV charging , at least before Tesla started sharing its Superchargers with its rivals. Truth is, I rarely go to those public spots. The vast majority of EV owners—83%—regularly charge at home, according to data-analytics company J.D. Power.

I already discovered many EV virtues , but I didn’t quite grasp the cost savings until I tallied up half a year of home-charging data. In that time, I spent roughly $125 on electricity to drive just under 2,500 miles. In my old car, that would have cost me more than twice as much—assuming gas held steady at around $3.25 a gallon . And I was charging through the winter, when electricity doesn’t stretch as far in an EV.

Rebates and programs from my state and utility company sweeten the deal. So I will be able to take advantage of discounted electricity, and offset the cost of my charger. The same may be available to you.

But first, there are technical things to figure out. A 240-volt plug? Kilowatt-hours? Peak and off-peak charging? While other people are in their garages founding world-altering tech companies or hit rock bands, I’m in there finding answers to your home-charging questions.

How to get set up

Sure, you can plug your car into a regular 120-volt wall outlet. (Some cars come with a cable.) And sure, you can also simultaneously watch all of Netflix while it charges. It would take more than two days to fill my Ford Mustang Mach-E’s 290-mile battery via standard plug, known as Level 1 charging.

That’s why you want Level 2, which can charge you up overnight. It requires two components:

• A 240-volt electric outlet. Good news: You might already have one of these higher-powered outlets in your house. Some laundry dryers and other appliances require them. Bad news: It might not be in your garage—assuming you even have a garage. I realise not everybody does.

Since my suburban New Jersey home has an attached garage, the install process wasn’t horrible—or at least that’s what my electrician said. He ran a wire from the breaker panel in the basement to the garage and installed a new box with a NEMA 14-50 outlet. People with older homes or detached garages might face trickier wiring issues—more of a “Finding NEMA” adventure. (I apologise to everyone for that joke.)

My installation cost about $1,000 but the pricing can vary widely.

• A smart charger. Choosing a wall charger for your car is not like choosing one for your phone. These mini computers help you control when to start and stop charging, calculate pricing and more.

“This is not something where you just go to Amazon and sort for lowest to highest price,” said Tom Moloughney, the biggest EV-charging nerd I know. On his website and “State of Charge” YouTube channel , Moloughney has reviewed over 100 home chargers. In addition to technical measurements, he does things like freezing the cords, to see if they can withstand wintry conditions.

“Imagine you are fighting with this frozen garden hose every time you want to charge,” he said.

One of his top picks, the ChargePoint Home Flex , was the same one my dad had bought. So I shelled out about $550 for it.

Just remember, if you want to make use of a charger’s advanced features—remote controls, charging updates, etc.—you’ll also need strong Wi-Fi in your garage.

How to save money

I hear all you money-minded WSJ readers: That’s at least $1,600 after getting the car. How the heck is this saving money? I assumed I’d recoup the charging-equipment investment over time, but then I found ways to get cash back even sooner.

My utility provider, PSE&G, says it will cover up to $1,500 on eligible home-charger installation costs . I just need to submit some paperwork for the rebate. In addition, New Jersey offers a $250 rebate on eligible charger purchases. (Phew! My ChargePoint is on the list.) If all is approved, I’d get back around $1,250. Fingers crossed!

I didn’t know about these programs until I started reporting on this. Nearly half of home-charging EV owners say they, too, are unaware of the programs offered by their electric utility, according to a 2024 study released by J.D. Power . So yes, it’s good to check with your provider. Kelley Blue Book also offers a handy state-by-state breakdown.

How to charge

Now I just plug in, right? Kinda. Even if you have a Level 2 charger, factors affect how many hours a fill-up will take, from the amperage in the wall to the current charge of your battery. Take Lionel Richie’s advice and plan on charging all night long .

It can also save you money to charge during off-peak hours.

Electricity costs are measured in kilowatt-hours. On my basic residential plan, PSE&G charges 18 cents per kWh—just 2 cents above the 2023 national average . My Mustang Mach-E’s 290-mile extended-range battery holds 91 kilowatt-hours.

Translation: A “full tank” costs $16. For most gas-powered cars, that wouldn’t cover half a tank.

And If I’m approved for PSE&G’s residential smart-charging plan, my off-peak charging (10 p.m. to 6 a.m. and weekends) will be discounted by up to 10.5 cents/kWh that I’ll get as a credit the following month. I can set specific charging times in the ChargePoint app.

Electricity prices fluctuate state to state but every expert I spoke to said no matter where in the country you live, home charging should cost less than half what gas would for the same mileage. (See chart above for a cost comparison of electric versus gas.) And as I’ve previously explained , fast charging at public stations will cost much more.

One big question: Am I actually doing anything for the environment if I’m just taxing the grid? Eventually, I’d like to offset the grid dependence—and cost—by powering my fancy little station with solar panels. Then, I’ll just be missing the squeegee.



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Gold Dinner Raises $75.5 Million As Australia’s Philanthropy Culture Evolves

Sydney Children’s Hospitals Foundation CEO Kristina Keneally says Australia’s culture of large-scale philanthropy is becoming more sophisticated as Gold Dinner raises $75.5 million for children’s health, research and innovation.

By Jeni O'Dowd
Fri, Jun 12, 2026 3 min

Australia’s wealthiest donors are becoming more strategic, more ambitious and increasingly focused on creating measurable impact, according to Sydney Children’s Hospitals Foundation chief executive Kristina Keneally.

Speaking after the 2026 Gold Dinner, held last week in Sydney, Keneally said Australia was experiencing a significant shift in how major philanthropy is viewed, with large-scale giving increasingly part of conversations about leadership, legacy and social impact.

The annual Gold Dinner, now in its 29th year, brought together some of the country’s most influential business leaders, philanthropists and cultural figures, raising $75.5 million and counting in support of the Sydney Children’s Hospitals Network.

While the event has become one of Australia’s most prestigious fundraising gatherings, Keneally said its significance extends far beyond a single evening.

“Gold Dinner, the flagship event of Sydney Children’s Hospitals Foundation, represents far more than a single evening. It is a powerful demonstration of what a committed community can achieve together over 12 months,” she said.

“The strength of that community, and the trust built over nearly three decades, means people return not just for the event, but for the impact they know it delivers.”

A NEW ERA OF PHILANTHROPY

Large-scale philanthropy has long been a feature of American society, where charitable foundations and major donors often play a prominent role in funding medical research, education and social programs.

Keneally believes Australia is moving in a similar direction.

“Australia is building a stronger culture of large-scale philanthropy, but it is still evolving compared to the United States, where giving at scale is more deeply embedded and widely recognised,” she said.

She said the country’s philanthropic landscape was becoming more sophisticated as successful business leaders increasingly sought opportunities to create meaningful change through their giving.

“In Australia, while generosity has always been strong, large-scale giving has historically been less visible, but that is changing rapidly as more leaders embrace philanthropy as a powerful way to drive meaningful outcomes.”

According to Keneally, events such as the Gold Dinner are helping reshape public perceptions of philanthropy by demonstrating the tangible outcomes that major donations can achieve.

“Gold Dinner is helping to reshape how philanthropy is perceived in Australia, making it more visible, more aspirational and more connected to real-world outcomes,” she said.

WHERE THE MONEY GOES

The funds raised through Gold Dinner support clinical care, research and innovation across the Sydney Children’s Hospitals Network.

Over the past 12 months, more than $75.5 million has been raised to help fund advanced medical equipment, innovative care models and world-leading medical research. Areas of focus include precision medicine and early diagnosis, where emerging technologies are already changing how childhood illnesses are detected and treated.

Keneally said the impact is felt directly by children and families facing some of the most difficult moments of their lives.

“For children and families, this translates into very real and immediate impact. It means faster diagnoses, earlier access to life-saving treatments, and care that is more personalised and effective,” she said.

“It also ensures hospitals are equipped not just to respond to illness, but to reimagine what care can look like, giving children the best possible chance not only to survive, but to live full, healthy lives.”

BUSINESS LEADERS BACKING CHANGE

One of the defining characteristics of Gold Dinner is the calibre of its supporters.

The event has evolved into a meeting point for influential leaders from business, culture and philanthropy, many of whom see charitable giving as an extension of their professional and personal legacy.

“It speaks to a community that is not only generous, but increasingly ambitious in how it gives, combining influence, expertise and purpose to achieve outcomes at scale,” Keneally said.

Among the major supporters of this year’s event were Presenting Partner, John-Paul Nassif Foundation; Major Partners, ABC Bullion, Shaw and Partners Financial Services and One Circular Quay by Lendlease; and Premier Partner, Range Rover, whose ongoing support reflects a shared philosophy of legacy and long-term impact.

The evening also featured performances, premium hospitality experiences and fundraising initiatives designed to encourage further support for children’s health services and research.

LOOKING BEYOND NEW HOSPITALS

With major new children’s hospital developments at Randwick and Westmead progressing, Keneally said the focus is increasingly turning towards what comes next.

“The long-term vision is to ensure every child has access to world-leading healthcare, care that continues to evolve through innovation, research and global collaboration,” she said.

The foundation’s future priorities include accelerating medical discovery, expanding access to cutting-edge treatments and helping position New South Wales as a global leader in children’s health.

Keneally said the Gold Dinner remains central to achieving those ambitions because it does more than raise money.

“Gold Dinner is critical to making that vision possible. It not only provides significant funding, but also unites a powerful network of supporters who are driving the future of philanthropy in Australia,” she said.

As Australia’s culture of philanthropy continues to mature, Keneally believes that the network will play an increasingly important role in shaping the future of healthcare for generations to come.

“The result is a community that is helping to shape the future of paediatric care, not just for today’s patients, but for generations to come.”

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