Advanced Cooling Technologies, Inc.

Nikola Tesla unlocked the high-voltage grid. Today, ACT’s Zack Walter supports production of advanced cooling loops that prevent modern grid infrastructure from melting down.

From utility-scale solar inverters and wind turbine drives to massive energy storage systems, modern power conversion relies on compact semiconductors like IGBTs. Packing hundreds of thousands of watts into modules the size of a textbook creates extreme, hyper-localized heat spikes. If they overheat by even a few degrees, the grid drops.

As a Lead Manufacturing Engineer at ACT, Zack specializes in high-performance Loop Thermosyphons and pumped liquid cooling loops specifically tailored for power electronics. These systems operate with absolute reliability, keeping high-voltage hardware within safe operational margins so renewable energy can scale safely.

"Our systems cool the components that keep the power flowing to homes and industries," says Zack. "Whether it's a wind turbine at sea or a utility inverter grid, our thermal solutions are built for endurance. We are engineering the invisible layer that makes clean energy reliable."

The energy transition won't advance on ambition alone—it depends on the engineering layer beneath it.

When Nikola Tesla was engineering the foundational infrastructure for the alternating current (AC) electrical grid, he wasn't just dealing with abstract mathematical formulas. He was fighting a tangible, physical enemy: electrical resistance.

Every time you step up voltage, alter current, or switch a circuit, a percentage of that electrical energy degrades into raw heat. If you pack too much high-voltage power into a localized transformer or switch apparatus without managing that thermal buildup, the insulation breaks down, the components melt, and the grid fails.

Tesla's ultimate triumph wasn't just conceptualizing a grid; it was designing the physical machinery that could handle intense electrical energy densities safely.

Today, as we build a cleaner, smarter energy grid powered by wind, solar, and massive battery storage, the underlying physical challenge hasn’t changed. The power densities are higher than ever, and managing that heat remains the gatekeeper of progress.