Implementing the European Grid Declaration 3 October 2012 in Paris. RGI Workshop. 1

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1 RGI Workshop Ecological Management of Overhead Lines (EcoMOL) Katja Horenk 50Hertz as part of the European Electricity System Headquarter in Berlin ! 50Hertz 2.! TenneT TSO 3.! Amprion ( RWE ) 4.! TransnetBW ( EnBW ) Katja Horenk 2 1

2 50Hertz at a glance - Situation at the end of the year 2011 *) provisional figures Value (Share in DE) Surface Length of the lines 109,360 km! (31%) 9,840 km (28%) Maximal load Electricity consumption Installed capacity: - Renewables - Wind approx. 15 GW (18%) approx. 98 TWh (20%) approx. 39,000 MW (25%) 17,700* MW (31%) 11,838* MW (41%) Collaborators 694 Turnover - Grid 6.9 Mrd. " 0.6 Mrd. " 3 current corridor management source RWE 4 2

3 Motivation and background for the investigation into ecological management of overhead lines (EcoMOL) Necessity for extension of the grid requires new corridors in wooden areas. Parts of the forest must be removed and the newly established corridors must be maintained following special guidelines. creating conflicts and public acceptance problems planning ahead to ensure sustainability for corridor use 5 EU - study Ecological Management of Overhead Lines (EcoMOL) the study was co-financed by the European Commission scientific investigation in 2009 Initiator: 50Hertz Transmission GmbH Project partners: - Erfurt University of Applied Sciences, Faculty of Landscape Architecture, Horticulture and Forestry in cooperation with WALDKONZEPTE PartG - IBU Ingenieurbüro Schöneiche GmbH & Co. KG, Weimar - Schutzgemeinschaft Deutscher Wald, Thuringia - Association of the Nature Park Thüringer Wald e.v

4 Motivation and background for the EcoMOL study interdisciplinary approach for corridor management for high voltage overhead lines to increase the acceptance und conflict management transferability to conditions of different European regions combining of the aspects - intervention prevention - intervention minimization and - ecological compatibility application for corridors for new overhead lines as well as the management and maintenance of existing corridors Number 1 Priority: no impairment of transmission reliability (consideration of the safety-related technical standards) 7 Implementation of EcoMOL Implementation in the planning procedure for new overhead lines Implementation in existing corridors Intervention prevention and minimization Ecological compatibility Increase acceptance Improvement of the ecological conditions Planned measures to be included in approval documents Specifications for corridor management aim: ecologically optimized new corridor 8 4

5 Integration EcoMOL in the planning process of new overhead lines 9 Implementation of EcoMOL for new overhead lines Basis is a color-coded map showing how and when trees must be felled Specification of the new corridor after following criteria:!! immediate felling!! temporally offset felling!! no felling permanently affected area with height restrictions German law differentiates between!! the foundation of the pylon! no forest!! corridor! is still forest! has the option for implementation of EcoMOL and establishing different measures! to be included in the approval documents

6 Implementation of EcoMOL Implementation in the planning procedure for new overhead lines Implementation in existing corridors Intervention prevention and minimization Ecological compatibility Increase acceptance Improvement of the ecological conditions Planned measures to be included in approval documents Specifications for corridor management aim: ecologically optimized new corridor 11 Implementation EcoMOL in existing overhead lines Decision by the TSO to implement EcoMOL Provide documentation for the section of the line Combination of internal and external landscape planning expertise Ecological survey of existing corridor mapping flora and fauna Development of the target biotope concept Specifications for corridor maintenance application of EcoMOL

7 Selection measures according the following criteria biological factors planning factors status of the areas technical demands flora / fauna soil Existing and neighbouring biotopes climate natural areas planning areas recreational areas forbidden areas owner, user, leaseholder, hunting environmental status according to the law forest function corridor maintenance necessity of felling size of the area availability of machinery 13 Corridor maintenance according to EcoMOL source RWE before maintenance after maintenance Katja Horenk

8 Aims and effects of EcoMOL increase acceptance reduce environmental impacts improve corporation with authorities long-term lower costs for corridor maintenance increase recreational value in the corridor improve biotope networks improve aesthetic value of the landscape 15 Experiences of 50Hertz with EcoMOL Pilot project of EcoMOL on two existing 380-kV-overhead lines in Thuringia: 1. Project: Length 1,3 km (3 overhead line span) 2. Project: Length 0,3 km (1 overhead line span) in September 2011 binding contract with an environmental consultant for establishing documents for both projects in October 2011 survey/mapping of both sections from November 2011 planning of measures, incl.!! establishment of target biotopes and practicable options for implementation!! proposals for corridor maintenance taking into account the safe operation of the overhead power line!! graphic illustrations to be included in inventory and action plans in Winter 2011 staff training on EcoMOL basics in our control area

9 Experiences of 50Hertz with EcoMOL in Spring 2012 intensive coordination with lower nature conservation and forestry authorities in Spring 2012 implementation of corridor maintenance in line with EcoMOL in both sections in Summer/autumn 2012 mapping of both sections Conventional corridor maintenance in pilot sections Corridor maintenance in line with EcoMOL in pilot sections type of corridor maintenance mulching e.g. removing individual structures time needed for the work approx. 1 week approx. 4 weeks costs approx. 6-7 times those of conventional corridor maintenance 17 Pilot project 1 (ca. 1,3 km) before after Birch forest under the overhead line removed birches stay on the surface humid biotope with reed and willows humid biotope without crop

10 Pilot project 2 (ca. 0,3 km) before after birch forest next to the pylon removed birches stay on the surface dwarf-shrub heathlands with birch and pine heathlands without trees 19 Vielen Dank für Ihre Aufmerksamkeit. Thank you for attention Katja Horenk 50Hertz Transmission GmbH Telefon: katja.horenk@50hertz.com