Geo-Hep-Systems
PLANNING · SEASONAL HEAT STORAGE FIELD
01 / THE PLANNING
Planning and sizing
a Geo-Hep-Systems seasonal heat storage field
Energy demand and temperature level
Required storage duration
Available space and site conditions
Together, these determine the design.
02 / THE INDIVIDUAL MODULE
Geo-Hep-Systems seasonal heat store
Approx. 29 m external length
28 m internal length
CROSS SECTION
1.40 m
Inner diameter
1.80 m
Outer diameter
17 cm
Annular gap
Two shells.
One seasonal heat store.
Length : diameter ≈ 16 : 1 · Cross section enlarged separately
03 / THE STORAGE CAPACITY
The planned module stores heat.
PER INDIVIDUAL STORAGE MODULE
Up to 3.8 MWh
With full thermal stratification
at a maximum of 95 °C.
Capacity as specified in the project.
Thermal stratification shown schematically.
04 / THE MODULAR FIELD
Individual stores are connected together.
Hydraulically connected
The number and layout depend
on the individual project.
Pipe routes, spacing and
access are included in the design.
Connections are schematic · Symbols do not show tank heights to scale.
05 / THE WORKED EXAMPLE
From site area to storage capacity.
50 × 100 m
Example site · 5,000 m²
153 Seasonal heat stores
153 × 3.8 MWh
= 581.4 MWh
Maximum storage capacity in this example
17 × 9 module positions · Assumed layout, not a construction design.
06 / DEVELOPMENT STATUS
Design complete. Long-term testing pending.
The module dimensions have been planned.
Long-term testing still needs to examine:
heat losses and temperature changes
over periods of up to 180 days.
The storage field is designed
individually for each project.
Seasonal heat store at prototype stage · Long-term results are pending.
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