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- Report:
Kempener and Neumann
Process and Technology Status – Ocean Thermal Energy Conversion (OTEC) technologies use the temperature difference between warm seawater at the surface of the ocean, and cold seawater at between 800–1000 metres (m) depth to produce electricity. The warm seawater is used to produce a vapour that acts as a working fluid to drive turbines. The cold water is used to condense the vapour and ensure…
- Report:
Villate et al.
Electricity production in 2050 will need to be emissions-free, low cost and flexible. To reach that objective, we will need demand-side management, storage and most importantly, all flexible renewables at our disposal – whether established already or still innovative today.
Europe’s ocean energy resource is considerable. By 2050, ocean energy can deliver 100GW of capacity – equivalent…
- Report:
Solar Technical Information Program
Ocean thermal energy conversion, or OTEC, is a technology that extracts power from the ocean's natural thermal gradient. This technology is being pursued by researchers from many nations; in the United States, OTEC research is funded by the U.S. Department of Energy's Ocean Energy Technology Program. The program's goal is to develop the technology so that industry can make a competent…
- Report:
Coastal Response Research Center
Ocean Thermal Energy Conversion (OTEC) is a technology that dates back to the late 1800’s and makes use of temperature differences between surface and deep ocean waters to drive a heat engine, and extract energy via the Rankine cycle. While pilot scale plants (< 1 MWe) have successfully generated energy, a combination of technical and economic feasibility limitations tempered investment and…
- Report:
Behrens et al.
Ocean waves, tidal and non-tidal ocean flows, collectively known as Ocean Renewable Energy (ORE), are attracting increasing interest in Australia as a potentially viable source of renewable energy. Recently, the CSIRO Wealth from Oceans Flagship (WfO) was commissioned by the Department of Sustainability, Environment, Water, Population and Community (DSEWPaC) to produce maps of wave, tidal and…
- Report:
Ocean Energy Systems
Islands and remote coastal areas are often subjected to the misconception that they require scaled-down continental solutions. Nonetheless, these areas face a different reality than their continental counterparts and, therefore, may require localised solutions. The livelihoods of their inhabitants depend on the use of limited natural resources and much trade with the mainland, albeit through…
- Report:
National Hydropower Association and Marine Energy Council
The abundant potential to develop marine energy is stunning. Harnessing waves, tides, currents, and even thermal gradients, could technically produce more than half of all the nation’s electricity needs.
Demonstration projects and research over the past decade, supported by the U.S. Department of Energy and U.S. Navy, show that innovative marine energy technologies could be the missing…
- Report:
Johnston et al.
This publication analyses the operating principles and development status of selected Marine Renewable Energy technologies and assess the future potential for deployment in Barbados. Marine Renewable Energy (MRE) technologies offer the potential for a secure, reliable supply of indigenous clean energy this makes the sector particularly attractive and worthy of investigation for the Small…
- Report:
Ocean Energy Systems
Ocean Energy Systems (OES) is the short name for the Technology Collaboration Programme on Ocean Energy Systems under the International Energy Agency (IEA). The Technology Collaboration Programme (TCP), a multilateral mechanism established by the International Energy Agency (IEA), was created with a belief that the future of energy security and sustainability starts with global collaboration.…
- Report:
Kilcher et al.
This report provides a concise and consolidated overview of the Unites States’ marine energy resources. The results reported herein are primarily based on U.S. Department of Energy (DOE)-funded marine energy resource assessments in the following technology areas: wave, tidal currents, ocean currents, ocean thermal gradients, and river currents (Jacobson, Hagerman, and Scott 2011; Haas et al.…
- Report:
Cooke et al.
As part of a literature review of reference material for grid applications of marine hydrokinetic energy capture technologies, Pacific Northwest National Laboratory (PNNL) surveyed U.S. electric utility integrated resource plans for the mention or treatment of marine renewable energy technologies, principally wave energy, tidal energy, and offshore wind energy. This review offers a window into…
- Book Chapter:
Ravindran and Abraham
Ocean thermal energy conversion (OTEC ) utilizes the thermal gradient available in the ocean to operate a heat engine to produce work output. Even though the concept is simple and old for almost one century, during last three decades, it has gained momentum due to worldwide search for a clean, continuous energy source to replace the fossil fuels. There are technological hurdles to overcome to…
- Book Chapter:
Lee et al.
The ocean thermal energy conversion (OTEC) plant is designed to improve the efficiency of the existing plants. Various researches are being conducted to increase the plant’s efficiency and output with the use of an enhancer, and studies for performance improvement are also in progress from the Kalina and Uehara cycles to ejector pump OTEC (EP-OTEC). Their performance can be improved by…
- Book Chapter:
Acevedo et al.
In this chapter, we present the methodology for the selection of the working fluid, the environmental and working conditions for operation, and the development carried out for the design of a closed cycle OTEC prototype plant. This prototype uses the temperature difference between the cooler deep waters and the warmer surface waters of the Mexican Caribbean Sea to feed a thermal machine…
- Book Chapter:
Jaafar et al.
The search for potential investors in the conversion of ocean thermal energy to power or hydrogen, and its spinoff projects in Malaysia and the region, continues. In the meantime, several pre-feasibility studies have been completed for selected sites, including that of Pulau Layang-Layang and Pulau Kalumpang (Sabah, Malaysia); Timor-Leste, and off Pulau Weh (Aceh, Indonesia). Various research…
- Book Chapter:
Liu et al.
This chapter mainly introduces the development and prospect of turbines utilized in ocean thermal energy conversion (OTEC), including brief introduction, aerodynamic design, mechanical and electric control system, problems, and prospect of the turbine in OTEC. At the beginning, the first section mainly introduces compositions and types of turbine in OTEC systems, different working fluids in…
- Book Chapter:
Huante et al.
The purpose of this chapter is to provide an assessment of the resource potential for ocean thermal energy conversion (OTEC) in the Mexican Pacific Ocean (MPO). Research methodology adopted in this study is a combination of geographic information system (GIS), to identify the most promising site in the MPO for OTEC deployment. Site selection criteria rely on conditions such as distance to cold…
- Book Chapter:
Petterson and Kim
The deployment of a land-based Ocean Thermal Energy Conversion (OTEC) plant in South Tarawa, Kiribati, Pacific Islands Region, in 2020/2021, represents a major technical achievement, alongside an international development opportunity. Pacific Small Island Developing States (PSIDS) are archipelago nations with small land areas and large oceanic exclusive economic zones. Geographical isolation…
- Report:
IRENA
Oceans contain vast renewable energy potential – theoretically equivalent to more than double the world's current electricity demand. Nascent ocean energy technologies could cut carbon dioxide (CO2) emissions from power generation and help to ensure a sustainable, climate-safe energy future.
Alongside other offshore renewable energy technologies, ocean energy – including wave…
- Report:
IRENA
Offshore renewable energy – including offshore wind and solar power, as well as emerging ocean energy technologies – could support sustainable long-term development and drive a vibrant blue economy. For countries and communities around the world, offshore renewables can provide reliable, stable electricity, as well as support water desalination and aquaculture.
This report from the…
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