The electrical grid is undergoing a transformation, particularly in the realm of transformers. While traditional transformers have remained relatively unchanged since the days of Thomas Edison, a new wave of startups is revolutionizing this crucial component of the grid.
These startups are introducing solid-state transformers, which utilize modern power electronics to provide grid operators with greater control over the flow of electricity. Unlike conventional transformers, solid-state transformers are flexible, controllable, and software-updatable, offering a range of benefits for modern grid systems.
Three startups have recently secured significant funding to scale up production of their solid-state transformer technologies. DG Matrix, Heron Power, and Amperesand are leading the charge in modernizing the transformer industry. These new transformers can incorporate power from various sources, including traditional power plants, renewables, and batteries, and can convert electricity into alternating or direct current at different voltages.
One of the key advantages of solid-state transformers is their ability to handle power flowing in both directions, making them ideal for applications that require backup power, such as data centers. By replacing multiple pieces of equipment with a single solid-state transformer, data centers can streamline their power systems and free up valuable space.
Solid-state transformers also have the potential to significantly reduce transmission and distribution costs in the long run. By actively responding to changing grid conditions, these transformers can optimize power flow through existing infrastructure, making the grid more efficient and cost-effective.
While solid-state transformers currently command a cost premium over traditional transformers, their benefits in terms of flexibility, control, and efficiency make them a compelling option for the future of the electrical grid. As demand for new transformers continues to rise, these innovative technologies are poised to play a key role in shaping the grid of tomorrow.

