Technology thesis · Clean Energy
low conviction conceptTidal and wave energy
Tidal and wave energy stay niche through the forecast window because no LCOE compression path exists to compete with offshore wind even with UK CfD and EU subsidy schemes.
Position maintained continuously · last reviewed Jun 3, 2026
The thesis
Tidal stream is more commercial than wave energy
SAE Renewables MeyGen 6 MW operational since 2017 (longest commercial tidal-stream record). Orbital Marine O2 floating 2 MW commercial. Nova Innovation + Verdant Power. Tidal predictable energy production + lower mechanical complexity than wave. Wave energy stays research-pilot.
State of the art (2026)
Tidal stream is the only marine-energy segment with a credible commercial record: MeyGen in the Pentland Firth runs 6 MW across four turbines and Orbital Marine's O2 floating platform feeds the Orkney grid. AR6 (2024) awarded 28 MW of tidal at £172/MWh, but AR7's results in February 2026 stripped the dedicated tidal ringfence, forcing the sector to compete inside a shared Pot 2 budget – a real-terms cut of roughly 30%. Wave energy remains a step behind: CorPower Ocean's C4 is grid-connected at Aguçadoura, Portugal, with the 10 MW VianaWave farm (€40m EU Innovation Fund) not due until 2028–29. LCOE near £200–350/MWh still sits multiples above offshore wind.
UK + EU CfD + leasing support sustains demonstration programmes
UK Pot 4/5/6 CfD contracts + Crown Estate Scotland leasing + EU + France + Ireland support. Demonstration programmes funded through 2027-2028. Without sustained government support, commercial pathway closes.
Niche island + remote + grid-stabilisation applications
Orkney + Shetland + Tasmania + Gibraltar deployments demonstrate niche applications where conventional grid uneconomical + tidal/wave predictable energy useful for grid stabilisation. ~$2-3B contract pipeline over 5 years.
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Signal stack
Evidence stacked leading → lagging
Technology-native KPIs
Metrics that predict trajectory, tracked over time
Landscape map
Who builds what — and who depends on whom
Catalyst calendar
Dated events that will move the position
Technology roadmap
Milestones on the path to maturity
Watchlists
Companies, people and papers — each with a remove-by condition
Decision frameworks
The same call, framed for your desk
Thesis changelog
When our view changed, and why
Change our mind
5 disconfirming conditions
The rest is inside
You've read the verdict. The file is much deeper.
The full signal stack, technology-native KPIs tracked over time, the landscape of who depends on whom, the dated catalyst calendar, decision frameworks for every desk, live watchlists and the changelog of every time our call on Tidal and wave energy has changed — all live inside CanaryIQ.