Local opinion: The battery revolution that could make Tucson America's clean energy capital

When gas prices spiked above $4 a gallon last month, Tucsonans got a preview of our energy future if we keep betting on fossil fuels. But while we were wincing at the pump, something remarkable was happening in American manufacturing that changes the entire calculus for what Tucson could become.

For the first time in history, the United States now has the capacity to produce 100 percent of the grid battery storage systems it needs — right here at home. By the end of this year, American factories will be churning out 145 gigawatt-hours of battery storage capacity annually, more than double what the country will install. It's what one industry executive called "one of the fastest industrial scale-ups in recent American history."

This isn't just a manufacturing story. It's the missing piece that makes municipal ownership of Tucson Electric Power not just feasible, but transformative.

For years, the argument for the City of Tucson acquiring TEP from its Canadian corporate owner, Fortis Inc., has been sound: local control, lower rates, reinvestment in our community rather than shareholder dividends shipped north. But skeptics have always asked the same question: Can a municipal utility really manage the transition to renewable energy better than an established player?

The battery storage breakthrough answers that question with a resounding yes — and hands Tucson an opportunity to become something more ambitious than just another city-owned utility. We could become the proving ground for what an American city looks like when it gets serious about climate.

Here's why these matters. The old problem with solar and wind was storage — the sun doesn't shine at night; the wind doesn't blow on demand. Battery systems solve that, but until now, we've been dependent on foreign supply chains and uncertain costs. That equation just changed. American-made battery storage is abundant, getting cheaper, and ready to deploy at scale.

A municipally owned TEP could move faster and more boldly than Fortis ever would. While investor-owned utilities spend years calculating shareholder returns, a city-owned utility answers to voters who breathe Tucson's air and pay Tucson's electric bills. We could build a grid powered overwhelmingly by desert solar paired with battery storage - clean, reliable, and increasingly cheap. The technology is proven. The manufacturing capacity is here. What's been missing is the will.

But the real opportunity goes beyond electricity. A municipally owned utility could build the most aggressive electric vehicle infrastructure in the Southwest. Picture a city-controlled TEP installing fast chargers across Tucson, offering special overnight rates for EV owners, and partnering with employers to electrify fleet vehicles. The same battery technology that can power our grid can power our transportation — but only if the utility answers to us, not to shareholders in Canada.

That gas price spike? It's not an anomaly. It's a warning. Global oil markets will always be vulnerable to geopolitical chaos, supply disruptions, and the simple fact of finite resources. Meanwhile, Tucson has something oil-dependent cities don't: 350 days of sunshine a year and the battery technology to store it.

Other cities are watching. The Salt River Project, the municipal utility serving Phoenix, already operates more efficiently than investor-owned utilities while keeping rates lower. Sacramento's municipal utility, SMUD, leads California in customer satisfaction and renewable energy deployment. Tucson could leapfrog them all.

The convergence is almost too perfect to believe: breakthrough battery manufacturing capacity, proven renewable technology, a climate crisis demanding action, and an electric utility currently owned by a company that answers to shareholders in Canada, not residents in Tucson. The pieces are all on the board.

The question isn't whether Tucson can lead America's clean energy future. The question is whether we have the vision to recognize the moment we're in. The technology has arrived. The manufacturing capacity is here. The only thing we're waiting for is ourselves.

Municipal ownership of TEP isn't just about local control or lower rates anymore. It's about whether Tucson chooses to be a city that lets history happen to it, or a city that shows the country what's possible when local control meets global urgency. The battery revolution has given us the tools. Now we need the will to use them.