182. Detail regarding decommissioning of the converter station is also currently unknown. The worst case scenario would involve removal and reinstatement of the current land use at site and it is anticipated that impacts would be similar those during construction, as listed in section 22.6. The decommissioning methodology would be finalised towards the end of the project’s lifetime and in line with up to date guidance, policy and legislation.


22.7 Cumulative Impacts


183. Potential cumulative impacts to land could arise from interaction with other developments within the vicinity of East Anglia THREE either temporally or spatially. Given that the land use impacts of East Anglia THREE mostly affect receptors within the onshore electrical transmission works including access, there is limited potential for interaction with any developments which do not have direct overlap with the proposed East Anglia THREE project. With regard to the land use receptors assessed in this chapter a potential for cumulative impact would only occur if those same receptors are affected. Whilst there may be additive cumulative impacts at the wider regional scale (e.g. several developments may affect PRoWs temporarily during construction or drainage systems may be affected) these activities would be managed and mitigated in a similar way to impacts described above for East Anglia THREE and there would be few permanent impacts.


184. A full list of projects that have been scoped into the cumulative impact assessment is provided in Table 22.14. These cover major known developments in the vicinity of the onshore electrical transmission works including access. The majority of these are on predominantly brownfield land and therefore there is no potential to impact land use receptors. The two key projects which have been identified as potentially causing cumulative impacts are the proposed East Anglia ONE and East Anglia FOUR projects which share the landfall and onshore cable route with the proposed East Anglia THREE project. These projects also propose to locate converter stations within close proximity to the converter station proposed for East Anglia THREE.


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Chapter 22 Land Use Page 51


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