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Ocean thermal energy ‘ideal’ to power Maldives

Ocean thermal energy conversion (OTEC) is the ideal renewable energy solution for the Maldives, according to Global OTEC Resources, an advocate for commercial OTEC systems to provide electricity and desalination to small island states. Global OTEC Resources has co-produced a paper with University of Exeter that assesses the feasibility of OTEC in the Maldives.

The paper titled ‘Assessment of extreme and metocean conditions in the Maldives for OTEC applications’ is to be… Continue reading

Flow visualization of downward condensing ammonia in a gasketed plate heat exchanger 

Recently, Maaike Leichsenring graduated from the TU Delft in Engineering Thermodynamics on flow visualization of the ammonia condensing process in a plate type heat exchanger. Generally, two-phase flow in plate heat exchangers is yet not fully understood which leads to inaccurate performance calculations. The uniqueness of the experiment is described by the fact that condensing flow of pure ammonia in a corrugated plate heat exchanger was successfully captured for the first time. These results… Continue reading

Potential effects of deep seawater discharge by an OTEC plant on the marine microorganisms in oligotrophic waters

In relation to the for 2020 scheduled 10 MW OTEC plant offshore the Martinique Island, this project called ‘IMPALA’ (Impacts of artificial upwelling on microplankton) aims to study the potential environmental impacts of releasing, below the surface, deep seawater flowing out of OTEC plant. This OTEC plant will pump approximately 100,000 m3.h−1 of deep seawater at 1100 m depth. In order to optimize the energy efficiency, the deep seawater should be rejected close… Continue reading

Allseas targets renewables with acquisition of OTEC specialist Bluerise

Allseas has acquired Bluerise, a specialist developer of Ocean Thermal Energy Conversion (OTEC) technology that delivers renewable energy solutions.

Based in Delft, the Netherlands, Bluerise has been researching and developing OTEC technology for 9 years, designing systems that utilise the natural temperature difference in the ocean between cold deep water (5°C) and warm surface water (25°C) to generate clean electricity.

Allseas will use its offshore expertise and record of deep-water technologies to advance Bluerise concepts… Continue reading

Ocean thermal energy holds promise for Oman

Oman has the potential to harness the ocean’s inexhaustible thermal energy for power generation and district cooling, among other commercial applications, according to an international expert specialising in the use of this renewable resource.

Berend Jan Kleute (pictured), Co-Founder of Bluerise — a Dutch-based company known for its pioneering Ocean Thermal Energy Conversion (OTEC) technology — said the capital region, Muscat, among other coastal towns and shore-based installations, are located in the relative proximity of… Continue reading

Ocean Thermal Energy Corporation announces plans for SWAC System Project for the U.S. Military in 2018 and first OTEC EcoVillage

Ocean Thermal Energy Corporation (OTE) has made progress on the development of its first OTEC EcoVillage planned in the Virgin Islands and has progressed toward the development of a SWAC system for the U.S. Military.

SWAC System for the US Military

Having been approached by a major defense contractor, in 2018, OTE plans to continue its design efforts for the construction of a Seawater Air Conditioning (SWAC) system for the U.S. military. While working… Continue reading

Hawaii calls for OTEC power purchase proposals

Natural Energy Laboratory of Hawaii Authority (NELHA) has launched a request for proposals for purchase of power produced by ocean thermal energy conversion (OTEC) plant system. The request for proposals covers the design, construction, implementation, operation and maintenance of an OTEC system at the NELHA research campus.

The contractor is expected to construct and operate a 100 – 300kW OTEC plant, while NELHA will enter into power purchase agreement (PPA) for a minimum… Continue reading

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