EDP tests Ionate transformer for smart grids
- September 6, 2023
- Steve Rogerson

Portuguese utility EDP is live testing transformer technology from UK start-up Ionate to underpin a future smart grid.
Ionate developed the all-in-one transformer that equips the grid with capabilities for energy transition including real-time power flow control and data.
The growing electrification of consumption, coupled with the acceleration of electric mobility and the increase in renewable energies, has driven demand for new technologies with the aim of making electricity grids smarter, flexible and more efficient.
In this context, EDP is testing Ionate’s technology that increases data visibility and real-time control of the flow of energy in electricity grids, essential features to support the transformation of the sector and accelerate the energy transition.
The hybrid intelligent transformer (HIT) replaces the passive transformer with a real-time control node, regulating voltage and reactive power with millisecond-level precision by using magnetics in an innovative way. This stabilises power flows and gives the grid operator a tool for active intervention. HITs can increase the grid’s tolerance for renewables and the amount of power it can carry, while reducing wasted power on the way. Ultimately, they will gradually transform the network into a flexible, smart grid, optimising power flows across the whole system.
This project commenced with a design study this summer and will continue with testing with Labelec, before live deployment of HITs with E-Redes in Portugal and Spain, and in the Brazilian market with EDP. Beyond the initial trial-phase, Ionate’s HITs are planned to stay in the grid as permanent assets and help its transition over the coming years.
This collaboration with Ionate was born following the participation of this emerging company in two innovation programmes: Free Electrons, the world’s largest innovation programme in the energy sector, co-led by EDP; and Energy Starter, EDP’s collaborative innovation programme, launched with the aim of attracting innovative and disruptive start-ups and scale-ups capable of driving energy transition on a global scale.
“In response to the imperative of accelerating the energy transition, EDP is actively engaged in transformative projects.” said Luís Manuel, executive board member of EDP Innovation “The Ionate HIT has the potential to be a game-changer, replacing conventional passive transformers with state-of-the-art real-time control nodes. This strategic partnership not only fortifies grid stability and resilience but also aligns with EDP’s commitment to innovation and its unwavering dedication to shaping a smarter and more efficient energy landscape.”
Ionate CEO Matthew Williams added: “EDP is a global shaper of the energy industry. Their bet on early-stage innovation shows just how urgently the grid needs new technologies to deliver on our sustainable future. And their confidence in Ionate is the best feedback we can get that we are on the right path for the energy transition. We are so proud to have them as our first customer. They have a clear vision driven by industry expertise, and they have been a fantastically supportive partner to work with over the years.”
Over 40 years ago, EDP (www.edp.com) began as a utility in Portugal and has since evolved into a global energy major and a force in energy transition, and is present in 29 markets.
Launched in 2019, Ionate (www.ionate.energy) is transforming power systems through deep-tech innovation. Its patented HIT provides key control functionalities sought by DSOs, renewable and storage operators at a reliability and price point not previously achievable. One device alone brings real-time data, dynamic voltage control, power factor correction and harmonics removal. But a network of HITs, coordinated by Ionate’s AI platform, unlocks systemic responsiveness as the energy system transitions.