Wireless Power Instead of Pylons?

Beaming Energy from North Scotland to South England

As someone who spends a lot of time looking at grid constraints, reinforcement queues, G100 limits and subsea cable costs, I occasionally allow myself a slightly provocative question:

What if we didn’t need transmission lines at all?

No new pylons marching across the countryside.
No billion-pound subsea HVDC links.
No 10-year planning battles.

Instead…

Power generated in North Scotland is transmitted wirelessly to space, redirected via satellite, and beamed down into South England.

Science fiction?

Perhaps. But let’s unpack it properly.

The Problem We’re Trying to Solve

The UK’s generation geography is mismatched with its demand geography.

• Wind: predominantly Scotland and offshore north

• Demand: concentrated in Midlands, London and the South East

• Result: constraints, curtailment, and very expensive grid reinforcement

We’re currently solving this with:

• Overhead pylons

• Underground high-voltage cables

• Subsea HVDC interconnectors

All technically proven.
All expensive.
All politically sensitive.

So what would a wireless alternative look like?

The Concept: Orbital Energy Relay

Imagine this:

1. A major wind cluster in the north of Scotland converts electricity to microwave energy.
2. A ground transmission station beams that energy to a single orbital satellite.
3. The satellite redirects the beam southwards.
4. Receiving stations in South England convert it back to electricity and inject it into the grid.

Effectively, the satellite replaces 600+ miles of pylons and subsea cables.

No land corridor.
No seabed trenching.
No visual impact across national parks.

Just two ground stations and one orbital relay.

Is It Physically Possible?

Yes — in principle.

Organisations including NASA and the European Space Agency have studied microwave power transmission and space-based energy systems for decades.

The physics is well understood:

• Electricity → microwave conversion

• Directional beam transmission

• Rectenna reception → electricity

Microwaves can be focused with high precision.
Beam steering is controllable.
Atmospheric losses are manageable.

So technically feasible?

Yes.

Commercially rational?

That’s where it gets interesting.

Efficiency vs HVDC

Modern HVDC subsea transmission typically achieves:

• ~95–98% efficiency over hundreds of kilometres

Wireless power would involve:

• Conversion losses at transmission

• Atmospheric transmission losses

• Conversion losses at reception

Even optimistic projections struggle to match cable efficiency.

In energy systems, every percentage loss matters.
Especially when multiplied by gigawatts.

From a pure engineering efficiency standpoint, pylons still win.

What About Safety?

This is always the first reaction:

“Would anything crossing the beam be cooked?”

In proposed systems:

• Power density at ground level is designed to be below harmful thresholds

• Comparable to — or lower than — peak solar radiation

• Automatic beam shutoff if alignment is lost

Aircraft, birds, even drones would not be incinerated.
The greater challenge is aviation regulation and beam control integrity — not frying wildlife.

Perception, however, may be harder to manage than physics.

Where It Might Actually Compete

Here’s the interesting part.

Subsea HVDC from northern Scotland to southern England costs billions.

Planning risk is high.
Construction timelines are long.
Environmental impact assessments are intense.

If:

• Launch costs fall dramatically

• Satellite construction becomes modular

• Conversion efficiencies improve

Then orbital relay could become competitive at very long distances.

Particularly where geography makes cables expensive.

North-to-south UK might be borderline.
Continental-scale transmission? More compelling.

The Strategic Question

Do we double down on reinforcing a 20th-century grid model?

Or do we explore 21st-century transmission models?

Right now, upgrading the grid is unquestionably the cheaper, safer option.

But in an energy system increasingly dominated by renewables — decentralised, weather-driven, geographically uneven — transmission innovation may eventually matter as much as generation innovation.

Would I Replace the Grid Tomorrow?

No.

But as someone watching constraint payments rise, grid queues lengthen, and infrastructure projects stall in planning…

It’s not irrational to ask whether the next leap in energy transition is not generation technology —

—but transmission technology.

If North Scotland could beam wind power directly to South England without a single pylon crossing the countryside…

Would we still argue about overhead lines?

Or would we argue about satellites instead?

Physics allows it.
Economics currently resists it.
But both evolve.

And energy history is full of ideas that moved from SimCity to serious engineering faster than anyone expected.

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