Heimdall Power raises $25 million in Series B funding to unlock up to 40 percent more transmission capacity on aging U.S. grid

Heimdall Power has repeatedly demonstrated its ability to extract up to 40 percent additional transmission capacity from existing power lines. The company will use the funding to scale production and installation of its Neuron sensors, also known as “Magic Balls,” as it works with power grid operators to optimize aging U.S. infrastructure at scale.

Globally, the power grid is buckling under the weight of a significant increase in energy demand. There are more than 500,000 miles of power lines in the United States alone—most of them with far greater transmission capacity than grid operators have been able to achieve in the past. To increase capacity, many have launched large and expensive infrastructure projects. Now the U.S. government is stepping in to ensure that utilities get more capacity from existing infrastructure, with a stated ambition to upgrade 100,000 miles of transmission lines over the next five years.

Heimdall Power recently caught the attention of the U.S. government and was invited to the White House after launching the largest grid optimization project in the United States with Minnesota-based Great River Energy. The company has created a plan to use its Grid Enhancing Technologies (GET) to enable grid operators and utilities in the U.S. to increase the capacity of their power grids without having to launch seven- to 12-year-long infrastructure projects. New and existing investors have taken notice of this cost-effective and scalable approach and how it meets the rapidly growing demand for electricity in the U.S. and around the world.

“We have achieved many key milestones at Heimdall Power over the past year, but this is the biggest yet and the timing is perfect. The US government recently announced a goal of modernizing 100,000 miles of transmission lines over the next few years, and with this Series B funding round, we will do our utmost to realize that vision,” said Jørgen Festervoll, CEO of Heimdall Power. “This funding fuels our international growth as we continue to build our organization with the best people and industry experts in the world. It will also allow us to continue investing in our technology development, taking scalability to the next level as we solidify our position as the clear global leader in grid efficiency technologies,” concluded Festervoll.

Heimdall Power’s Neurons (or “Magic Balls”) are ball-shaped sensors that are deployed by autonomous drones onto live high-voltage lines in seconds. They assess line capacity in real time, allowing utilities to achieve dynamic line ratings (DLRs) rather than static or seasonal ratings. By feeding hyper-local data on current weather conditions, line sag, and more into their advanced software, grid operators know on a line-by-line basis how much electricity can safely flow through each power line at any given time.

“Heimdall Power has built a unique position as an enabler of the ongoing energy transformation, with rapidly growing demand for electricity and a pipeline of renewable energy sources waiting to be connected,” added Marek Garniewski, CEO of Orlen VC. “As the owner of one of Poland’s four utilities, we have seen the growing challenges facing power grids around the world. The ability of Heimdall’s solutions to increase network capacity by 40 percent is not only impressive, it is transformational. Combined with growing government interest and new mandates coming from the United States and Europe, we are excited to be part of this investment opportunity, supporting Heimdall Power on its ongoing international growth journey.”

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