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Open-Space Solar Energy Use

Position Paper of the BUND Rheinland-Pfalz adopted at the State Assembly in Nackenheim, 2010


  • The use of solar energy is similar to other renewable energy sources, in that, it is particularly useful when the total consumption decreases parallel to an increase in production. The savings are shown in numerous studies to be substantial (50%).
  • The use of solar energy can make a remarkable contribution to carbon dioxide reduction and thus hinder global climate change. There are practically no residual waste materials associated with the operation of solar systems.
  • For the promotion of significant renewable energies, there are no reasonable alternatives.
  • The BUND Rheinland-Pfalz considers the production of solar energy through photovoltaic (PV) systems to be overall positive.
  • Nature and landscape should be as little affected as possible.
  • The BUND is in favor of decreased fees under the EEG for open-space facilities.
  • PV systems should be constructed primarily on roofs. This paper reflects views on other installations options.
  • Conducting an environmental assessment is necessary for all other installation options.

For the potential installation of open-space PV systems, three land categories have been distinguished:

  1. Favored areas – suitable for PV systems
  2. Restricted areas – PV systems approved only under certain conditions
  3. Excluded areas – PV systems may not be constructed

Criteria for favored areas:
1. Largely unnatural surfaces, which can not return to an environmentally sound state:

  • Abandoned industrial zones
  • Landfills and waste dumps
  • Former ammunition depots
  • Sound barrier walls (ex.. along highways)
  • Parking lots
  • Sealed, interior courtyards

2. Restricted areas:

  • Indoor garden areas (ex. Open courtyards)
  • Sealed indoor areas
  • Outskirts of communities if the module is so high that it incites environmental degradation
  • In open areas with environmental improvement programs, unless an environmental protection agency gives approval

3. Exclusion areas:

  • All areas not falling under restricted or favored areas, this includes, but is not limited to; meadows, fields, forests and etc…

Produced by the BUND Energy Working Group Rheinland-Pfalz

Michael Carl
Höhenweg 15
56336 Neuhausel
Tel: 02620-8416
Fax: 02620-950805
April 2010

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