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Insights · Research notes 2026

What’s next.
And what’s ready now.

Energy technology moves fast. We track emerging breakthroughs through a practical lens: readiness, reliability and a credible route to deployment.

Technology outlook

01 · Why now

The UK’s energy system
is being rebuilt.

23 GW+

Solar capacity installed across the UK, with more than two million installations.

45 GW

Government ambition for UK solar capacity by 2030 — roughly double today’s fleet.

800 W

Plug-in solar can now connect through an ordinary socket — opening clean power to flats and renters.

Net Zero

A legally binding 2050 target driving storage, flexibility and smarter demand.

UK solar capacity vs 2030 ambition23.2 GW of 45 GW
0 GWToday · ~52%45 GW · 2030

Capacity figures are provisional DESNZ statistics (August 2026) and change monthly.

DESNZ · Solar PV deployment ↗Ofgem · Plug-in microgeneration decision ↗

02 · Technology outlook

Three technologies
we are watching.

Research notes · 2026
Emerging commercialisation
Close-up of an electronic circuit board

Sodium-ion.
A new chemistry.

Sodium-ion batteries diversify storage beyond lithium, using abundant materials — a serious contender for stationary storage.

What we watchDemonstrated cycle life, energy density, warranties and local supplier support.

IEA · State of Energy Innovation 2026
Early commercial deployment
Rows of solar panels under a blue sky

Tandem solar.
Beyond silicon.

Perovskite–silicon tandem cells capture more of the solar spectrum than silicon alone. First commercial shipments mark the step to market.

What we watchLong-term durability, certified module performance and UK availability.

Oxford PV · first commercial shipment
Scaling now
Analytics dashboard showing energy performance charts

AI for energy.
Smarter systems.

AI is improving forecasting, asset optimisation and grid operations — helping every installed kilowatt work harder.

What we watchMeasured savings against a baseline, data quality, interoperability and cybersecurity.

IEA · Energy and AI

Technology outlook, not a statement of product availability or supplier affiliation. Readiness varies by product and market.

03 · Our evaluation lens

Four questions
before anything scales.

Readiness

Is it certified, available and supported in the UK today?

Evidence

Independent data on performance, not just laboratory records.

Warranties

Terms that match the life of the asset and the business case.

Local support

Installers, spares and service that exist where the site is.

Let’s build what’s nextUnited Kingdom

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