OPI’s Triton-C WEC, consisting of a surface float and vertically asymmetric heave-plate connected by multiple flexible tethers, operates in multiple modes (heave, pitch/roll, surge), allowing it to capture energy from waves efficiently across a wide range of ocean conditions. Hydraulic rotary drivetrains in the surface float are designed to very efficiently and reliably convert captured mechanical energy into electrical energy. Based on extensive numerical modeling and validated by 1:50 scale tank testing, Triton-C is projected to deliver significantly higher annual energy production (AEP) than conventional WECs of the same scale.

Triton-C’s performance and cost models, which have been externally validated through OPI’s engagement in the DOE’s Wave Energy Prize competition (where OPI was a leading finalist) and with Wave Energy Scotland (which funded scale-up of the drivetrain), indicate that Triton-C can achieve a levelized cost of electricity (LCOE) of under 15 ¢/kWh at energetic locations worldwide by 2030.

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Triton-C’s unique features have the potential to significantly increase energy capture relative to conventional WECs, while reducing operational and capital expenditures (OPEX & CAPEX, respectively). Its architecture lends to simplified installation procedures, allowing significant reductions in project costs, while a combination of multiple high reliability drivetrains and advanced control/load-shedding techniques will ensure maintenance activities are performed only when required, minimizing operational risk, downtime and costs. A full-scale demonstration unit will be installed at the Wave Energy Test Site (WETS) near Marine Corps Base Honolulu in 2023 to validate the system.

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