The Energy Tech Summit 2026
Europe's largest energy event, opening Climate Week.
The Energy Tech Summit opened London Climate Action Week on Monday 22 June 2026, gathering around 4,000 customers, scientists, inventors and policymakers at Evolution London in Battersea Park — billed as the largest energy event in Europe, and staged deliberately as a consumer-facing spectacle rather than a closed-door policy huddle.
What was announced
The day was framed around three questions now driving the entire industry: how to make energy cheaper, how to make it more secure, and how to get off fossil fuels faster. Headline announcements pushed the transition out of the power station and into the home and the depot — an affordable home battery range, a European battery-swapping network for electric heavy-goods vehicles, and a vehicle-to-grid package that lets a parked car earn its keep — alongside a festival-grade line-up of speakers spanning science, policy and culture.
The London BGTC Society's view
For our members, the summit is the most useful annual read on how fast clean-energy technology is actually moving — and on how the economics have quietly tipped in its favour. The throughline of the day was simple and striking: the technology to decarbonise largely exists and is increasingly the cheaper option; the binding constraints now are grids, planning and politics rather than capability.
We have all the solutions today to a clean energy system — and it's cheaper than the alternative.
Frequently asked questions
When and where was the Energy Tech Summit 2026?
Monday 22 June 2026, at Evolution London in Battersea Park, opening London Climate Action Week.
What was announced?
Among the headlines: an affordable home battery range, a European battery-swapping network for electric trucks, and a vehicle-to-grid (V2G) package — plus speakers from science, policy and culture. See the official site for the full programme.
How many people attended?
Around 4,000 customers, scientists, inventors and policymakers, making it one of the largest energy events in Europe.
This is an independent informational guide compiled by the London BGTC Society for its members; we are not affiliated with, nor the organiser of, this event. All booking and official information lives on the organiser's website, linked above. Dates and programmes are subject to change — always confirm on the official site before making plans.
← Back to Events