Marseille Fos: Half-Year Review and Strategic
The H2V Marseille Fos project, launched in May, involves the construction of a massive green hydrogen unit. The project aims to reduce CO₂
Revelation of economic competitiveness of STES against existing heating options. Seasonal thermal energy storage (STES) holds great promise for storing summer heat for winter use. It allows renewable resources to meet the seasonal heat demand without resorting to fossil-based back up. This paper presents a techno-economic literature review of STES.
To accommodate the use of this variable energy throughout the year the grid may benefit from economically viable seasonal energy storage to shift energy from one season to another. Storage of this nature is expected to have output durations from 500 to 1000 hours or more.
Currently, four main types of seasonal storage facilities are used: tanks, pits, boreholes, and aquifers . The characteristics of seasonal thermal energy storage concepts are presented in Table 1 [16, 17, 21, 22, 23, 24].
Given that seasonal heat storage is based on sensible heat, the reduction in energy losses for large storage volumes and long storage periods is achieved through solutions placed in the ground, where the soil temperature variation is lower than the outside temperature variation.
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