May 17, 2020

Seattle: Wave Power the Future of Coastal Energy?

energy digital
wave power
tidal power
1 min
A prototype is employed off the coast of Seattle with high expectations in terms of future electricity generation
Off Seattle's coast, a new buoy system serves as a prototype for generating wind turbines powered by waves. “What we have here is the beginn...


Off Seattle's coast, a new buoy system serves as a prototype for generating wind turbines powered by waves.

“What we have here is the beginning of a change in how we are going to produce electricity in the United States and the world,” Reenst Lesemann, the CEO of Columbia Power Technologies, told reporters.



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By using the motion between the buoys, generators spin and convert the ocean waves or sound waves into electricity. The system represents over a decade of research and development. The prototype will be enough to power an average American home, but by installing a full-scale model, hundreds will be covered.

As most of the world's populations lives within 100 kilometers of a coast, the source of energy is reasonably close to demand. In the next year, a full-sized buoy is expected to be up and running.




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Apr 23, 2021

Drax advances biomass strategy with Pinnacle acquisition

Dominic Ellis
2 min
Drax is advancing biomass following Pinnacle acquisition it reported in a trading update

Drax' recently completed acquisition of Pinnacle more than doubles its sustainable biomass production capacity and significantly reduces its cost of production, it reported in a trading update.

The Group’s enlarged supply chain will have access to 4.9 million tonnes of operational capacity from 2022. Of this total, 2.9 million tonnes are available for Drax’s self-supply requirements in 2022, which will rise to 3.4 million tonnes in 2027.

The £424 million acquisition of the Canadian biomass pellet producer supports Drax' ambition to be carbon negative by 2030, using bioenergy with carbon capture and storage (BECCS) and will make a "significant contribution" in the UK cutting emissions by 78% by 2035 (click here).

Drax CEO Will Gardiner said its Q1 performance had been "robust", supported by the sale of Drax Generation Enterprise, which holds four CCGT power stations, to VPI Generation.

This summer Drax will undertake maintenance on its CfD(2) biomass unit, including a high-pressure turbine upgrade to reduce maintenance costs and improve thermal efficiency, contributing to lower generation costs for Drax Power Station.

In March, Drax secured Capacity Market agreements for its hydro and pumped storage assets worth around £10 million for delivery October 2024-September 2025.

The limitations on BECCS are not technology but supply, with every gigatonne of CO2 stored per year requiring approximately 30-40 million hectares of BECCS feedstock, according to the Global CCS Institute. Nonetheless, BECCS should be seen as an essential complement to the required, wide-scale deployment of CCS to meet climate change targets, it concludes.

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