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Energy

Recovering wasted heat from offshore gas tubines

author
Marit Jagtøyen Mazzetti
Senior Researcher
Published: 25. Nov 2015 | Last edited: 16. Apr 2025
1 min. reading
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COMPACTS aims to develop technology that can help Norway and other oil and gas producing countries reach their climate goals.

An op-ed was written in the Norwegian business newspaper Dagens Næringsliv on May 15th, 2015. The article  sketches details on how to implement combined cycles offshore recovering  wasted heat from the gas tubines used for power production. This can reduce offshore emissions by about 21-25 %.

The goal of COMPACTS is to improve the offshore combined cycles to lower their weight by up to 50 %. The project also aims to improve operational reliability so that combined cycles can be installed as standard equipment offshore like they are onshore rather than being the exception they are today.

Read the whole op-ed here.(in Norwegian)

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Infographic showing the flow of thermal energy storage (TES) from surplus heat or cold to end users. On the left, red and blue thermometer icons represent surplus heat and cooling, accompanied by the text “Surplus heat or cold – Captured and stored for when it’s needed.” In the centre, a large panel titled “Thermal Energy Storage (TES)” presents three storage technologies. The top section, “Sensible TES,” shows a container with a thermometer and the text “Stores heat in one single phase.” The middle section, “Latent TES,” shows a water droplet and snowflake connected by circular arrows, with the text “Stores heat through phase change.” The bottom section, “Thermochemical TES,” shows two connected coloured circles that separate and reconnect, illustrating a reversible reaction, with the text “Stores heat through reversible reactions.” A large pale arrow-shaped wedge points from the TES panel toward the right side of the figure. On the right, three application areas are shown in separate boxes with icons: industrial processes, buildings, and data centres. The layout conveys that surplus heat or cold can be stored using sensible, latent, or thermochemical TES technologies and later supplied to industrial facilities, buildings, and data centres.

Thermal energy storage is already commercial  

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