How to Monetise a Curtailed Wind or Solar Farm

What curtailment really costs you

Curtailment happens when a park generates more power than the grid will accept — through congestion, oversupply, negative prices, an export connection smaller than your capacity, or a finished site still waiting to connect. In every case the meter tells the same story: real megawatt-hours that never become revenue. For a mid-sized wind or solar park, that can add up to hundreds of MWh a year — generation you have already paid to build, thrown away.

Why exporting more usually is not the fix

The obvious answer — upgrade the grid connection — is often the one you cannot take. Upgrades are slow, expensive and in many regions simply unavailable, with queues years long and reinforcement costs that can dwarf the value of the extra export. Batteries help in some cases, but they only shift energy in time; if the grid still cannot absorb it, or prices are poor when it can, the numbers rarely close. The constraint is not your generation — it is the wire out.

Put the energy to work on site — behind the meter

Instead of forcing surplus onto a grid that cannot take it, you place a controllable load on the site that consumes it where it is produced — behind the meter. Nothing extra crosses your export connection, and nothing about your connection agreement changes. The load ramps up and down in real time to match generation second by second, so it absorbs curtailed energy without destabilising the site. You can read more in behind-the-meter flexible load, explained.

Turning surplus power into revenue

The flexible load Kelvo installs is high-density computing — housed in modular, containerised units — that converts otherwise-wasted electricity into a digital output settled in Bitcoin, which you can hold, convert to cash, or reinvest. Because the input energy would otherwise have been curtailed, its marginal cost is effectively zero. Computing is one of very few loads that is genuinely portable to the energy, runs at any scale, and produces a liquid, globally-priced output.

On-grid, off-grid, or still waiting to connect

The same approach covers three very different situations:

• Curtailed or capped sites — a load behind the meter absorbs whatever you cannot export.
• Sites with no grid connection at all — whether one is coming later or never, the system runs fully off-grid and islanded, so even a stranded site can be monetised.
• Sites waiting in the connection queue — the load runs as an interim bridge, then scales back or relocates once you connect.

The economics, honestly

Revenue from a flexible load sits on top of anything you already receive — including curtailment compensation, typically unaffected because you are not changing your export behaviour. The return depends on the site: how much energy is lost, the size of your connection, and your generation profile. It is a capex investment — you own the system — and it earns from day one on energy you were already throwing away. There is no single headline figure that fits every site, which is why it should be modelled per project rather than sold on a slogan.

Is your site a candidate?

The sites that benefit most share a few traits: meaningful curtailed or surplus energy, a generation profile that regularly exceeds what the grid will take, or no viable connection at all. The honest first step is a look at your numbers — connection size, generation profile, and how much you are currently losing. From there, it is possible to say what is realistically recoverable, and how a system would be built.

Frequently asked questions