Shallow Geothermal Energy Use for the Lutheran St. Marien School in Neubrandenburg

 

Client:
Evangelische Schulstiftung in Mecklenburg-Vorpommern und Nordelbien,

Kirchliche Stiftung öffentlichen Rechts

Münzstrasse 8 - 10

D-19055 Schwerin

 

Land/Region: Germany

 

Period: 2007 - 2009

 

Investment: Euro 160,000

Project Description:
The Evangelische Schulstiftung in Mecklenburg-Vorpommern und Nordelbien (Lutheran School Foundation in Mecklenburg-West Pomerania and North Elbia) ordered the construction of a new school in Neubrandenburg within the context of the development into the Christian inter-denominational school.


The investors have been focusing on energy optimization and sustainability. Along with passive energy saving measures, a roof covered with greenery and rainwater utilization, also active systems such as photovoltaics and shallow geothermal energy are used. GTN was responsible for the design of the geothermal system.

The supply concept implies heat and cold generation including a groundwater-bearing bed combined with low-temperature installations (floor heating, etc.).

The groundwater-bearing bed has been developed via a production plus an injection well and made exploitable by means of a heat pump with heat buffer store. Cold is produced in direct heat exchange. Moreover, major parts of the school building have been equipped with a concrete core activation system.

GTN Services:

  • Preliminary geological exploration
  • Numerical simulation of the operation of the groundwater loop
  • Licensing procedures under the Water Act
  • Design,  call for bids, supervision of the construction of all systems of geothermal heat and cold production incl. piping, electrical and automation installations

Facts and Figures:
Facility:

  • Heated and cooled area  2,000 m²

Production units:

  • Heat pump 2 * 90 kW
  • Heat exchanger - cooling 40 kW

Heat source:

  • Effective horizon Quaternary
  • Wells 2
  • Depth 30 m
  • Flow rate 35 m³/h
  • Heat pump 2 * 90 kW

Consumer units:

Heat demand 225 MWh/a

 

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Shallow Geothermal Energy Use for the Lutheran St. Marien School in Neubrandenburg

The Evangelische Schulstiftung in Mecklenburg-Vorpommern und Nordelbien (Lutheran School Foundation in Mecklenburg-West Pomerania and North Elbia) ordered the construction of a new school in Neubrandenburg within the context of the development into the Christian inter-denominational school.