01 / Stream
Tidal Stream Arrays
Seabed-mounted horizontal-axis turbines in rows of six, spaced to avoid wake losses between units. Gravity-base footings mean no piling and no drilling.
2.4 MW / unit12 m clearance25-yr design life
Now generating · 380 MW across three oceans
Power drawnfrom the tide.
TidalForce builds and operates subsea turbine arrays where the current never stops. Predictable, fuel-free, and grid-scale — the one renewable you can schedule a year ahead.
- 0 MW
- Operating capacity today
- 0 GW
- Consented build pipeline
- 0%
- Fleet availability, 12 months
- 0
- Homes served at peak spring tide
- ISO 14001 certified
- IEC 62600 compliant
- DNV type-approved nacelles
- Marine Mammal Observer programme
- Independent environmental audit, annual
- Green tariff verified supply
Technology
Four systems,
Four systems,
one grid-scale answer.
Our arrays sit below the shipping lane and above the seabed, in channels where tidal velocity exceeds 2.5 m/s. Each nacelle is a self-contained power train: pitch-controlled rotor, sealed generator, and a condition-monitoring stack that reports to shore every 30 seconds.
Design principle Nothing on the sea surface. No visual impact, no navigational hazard, and no structure that a storm can reach.
01 / Stream
02 / Wave
Wave Energy Converters
Point-absorber buoys on slack moorings harvest swell in deep water, where tidal stream arrays cannot reach. Each unit is a sealed hydraulic cylinder with a shore-side accumulator.
450 kW / buoySlack-mooredSwell > 1.1 m
03 / Grid
Subsea Grid & Export
33 kV inter-array cabling links each row to a seabed substation; a single HVDC export cable carries the combined output ashore to a landfall compound.
33 kV / HVDC99.6% cable uptimeBuried 1.5 m
04 / Ops
Marine Operations
A dedicated workboat fleet and ROV squad handle inspection, blade cleaning and module swaps during slack water windows — four hours, twice a day, planned months ahead.
4 h slack windows6 vesselsSub-48 h response
The cycle
A generation curve you can print a year in advance.
Wind and solar firm up with batteries. Tides firm up with arithmetic — the astronomical forcing behind them is known centuries ahead, so our forecast error over 30 days sits under 3%. That predictability is what makes tidal power bankable.
One tidal cycle · 12 h 25 m
Four usable windows per day
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01 — Flood
Current builds
Water accelerates into the channel. Rotors pitch to capture load, ramping from 0 to full rated power in roughly 40 minutes.
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02 — Generate
Peak output
Arrays hold rated output through the flood peak while export cables push power to the onshore compound and into the transmission network.
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03 — Slack
Planned maintenance
Current falls away for 30–50 minutes. Vessels deploy, ROVs inspect, and any module swap is completed before flow returns.
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04 — Ebb
Second harvest
Rotors yaw 180° to face the reversing flow. The cycle repeats twice a day, every day, on a schedule published decades ahead.
Project locations
Eight sites.
Eight sites.
Three oceans.
We build only where the seabed, the grid and the community all say yes. Every site below has a signed seabed lease, a completed benthic survey and a grid connection agreement in place.
Tidal stream
Wave
Hybrid tidal + wave
- 01 Pentland Deep Orkney, Scotland · 41 m depth · leased to 2054 120 MWOperating
- 02 Anglesey Sound Ynys Môn, Wales · 34 m depth · leased to 2056 90 MWBuilding
- 03 Raz Blanchard Nord Cotentin, France · 52 m depth · leased to 2059 150 MWConsented
- 04 Bay of Fundy II Nova Scotia, Canada · 29 m depth · 11 m spring range 60 MWOperating
- 05 Kōchi Nada Shikoku, Japan · 78 m depth · open Pacific swell 45 MWBuilding
- 06 Ulsan Offshore Ulsan, South Korea · mixed channel and swell 80 MWConsented
- 07 Cook Strait Array Wellington, New Zealand · 63 m depth · seismic review cleared 110 MWDevelopment
- 08 Shetland Shelf Shetland, Scotland · 96 m depth · demonstration field 35 MWOperating
Showing all 8 sites.
Featured: Pentland Deep
Fifty turbines in a channel scoured by North Atlantic flow — our first array, and still
the highest-yield site in the fleet at a 61% capacity factor.
Environmental benefits
Built to leave the water as it found it.
Tidal energy has no combustion, no fuel chain and no waste stream — but "no emissions" is not the same as "no impact". These are the six things we measure, every survey season, and publish in full.
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Zero combustion, zero fuel chain
No fuel is extracted, shipped, stored or burned. The only inputs are water and gravity, so there is no spill risk and no air-quality permit to defend.
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Fish-safe rotor geometry
Tips turn at under 8 m/s and blade gaps exceed 12 m of water column clear of the seabed. Three seasons of sonar tagging put observed interaction under 0.2% of passing shoals.
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Seasonal installation windows
No piling or heavy works during seal pupping, salmon smolt migration or seabird fledging. Construction calendars are published and independently audited.
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Gravity-base foundations
No drilling, no piling, no grout. Footings are set on prepared seabed, so the substrate is left intact and the whole array can be lifted out at end of life.
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Artificial-reef colonisation
Foundation surfaces are designed as hard-substrate habitat. Dive surveys at Pentland Deep recorded 34 colonising species by year three, including two locally protected ones.
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Open data, every season
Acoustic, benthic and megafauna datasets are released to a public archive within 90 days of each survey. Anyone can audit our numbers, including critics.
- 0Mt
- CO₂ avoided per year against the displaced generation mix
- 0%
- Observed fish-blade interaction rate, sonar tagging study
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- Colonising species recorded on foundations within three years
- 0d
- Maximum lag before survey data enters the public archive
Research partnerships
Built with science, not around it.
Four long-term programmes give our engineers live data and our partners something they cannot get anywhere else: a full-scale array, in a real channel, instrumented end to end.
Institute of Marine Energy Systems
Stromness, OrkneyRuns the blade-load and fatigue programme at Pentland Deep. Our turbines carry their strain gauges; their models set our inspection intervals.
North Atlantic Tidal Laboratory
Halifax, Nova ScotiaOperates the sediment-transport study in the Bay of Fundy — the only continuous 11-year record of seabed change across a tidal array.
Kōchi Ocean Technology Institute
Kōchi, ShikokuCo-develops our wave-converter control laws and validates them against open-Pacific swell records gathered from their offshore platform.
Fundy Marine Ecology Unit
Saint John, New BrunswickIndependent acoustic and megafauna monitoring across all operating sites. They publish without our approval, which is precisely the point.
“We asked for two years of access to one turbine. They gave us the whole array and every byte of telemetry since commissioning. That is why the fatigue work moved as fast as it did.”
Dr. Ines Halvorsen · Institute of Marine Energy Systems
Investor relations
The tide doesn't wait.
Our Series C is open to infrastructure and transition-energy investors. Three operating arrays are already delivering contracted revenue under 25-year index-linked offtake; the pipeline behind them is consented, leased and grid-connected.
$180MSeries C target, first close Q2
11.4%Target unlevered IRR, contracted basis
25 yrWeighted average offtake term
380 MWOperating capacity at entry
All figures on this page are illustrative placeholders for a template demonstration. They are not audited, not an offer, and not investment advice.
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