North Irish Sea Array

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Surveys & Investigations

While we gain invaluable knowledge from consulting with local communities, the NISA project has undertaken extensive site survey efforts, both onshore and offshore, to provide vital information regarding the environmental and technical characterisation of the project area.

The findings from these surveys have informed the development of the proposed project and will be published in our Environmental Impact Assessment Report (EIAR) as part of the NISA planning application.

Environmental Surveys & Studies

(ongoing since 2019)

Ornithology & Marine Mammal Surveys


Marine Traffic Surveys


Benthic Surveys

Marine Biological Communities

Intertidal Surveys

All marine activities


Oceanographic & meteorologocal surveys

Marine Archaeology

Location of ship wrecks and areas of marine archaeology potential

Geological Investigations

Geotechnical & Geophysical surveys

Bird Surveys


Ecological Surveys

Mammals & natural habitats

Site Investigations

Geotechnical & location of existing services

Traffic & Transport

Traffic surveys & studies


Archaeological assessments

Noise & Air Quality

Establishing baselines

Foreshore Investigations

In order to establish the most appropriate turbine locations and cable routes, investigation works have been undertaken that will provide information on the existing seabed and geotechnical conditions. These investigations will ensure we understand the local area as much as possible before we submit our planning application.

Two foreshore licences have been awarded to NISA by the Department of Planning, Housing and Local Government for consideration. These permit the initial offshore survey effort to inform WTG locations and cabling arrangements. 

NISA have been coordinating with the fisheries industry and all other relevant stakeholders in order to avoid any unnecessary disruption to existing activities. NISA remains committed to working positively with the fishing industry going forward.

During public consultation events and other meetings over recent months, we advised attendees that we have applied for a Maritime Usage Licence (MUL). This application was submitted to the Maritime Area Regulatory Authority (MARA) and is currently published on its website. Through MARA, this MUL application will be consulted on during March and April 2024. Surveys associated with this MUL would likely occur in the latter part of 2024 or early 2025.

© Copyright: North Irish Sea Array Ltd. 2021 - 2024

Photomontage Viewer

The location of each baseline photograph is surveyed to within 10cm of accuracy meaning the photomontages are extremely accurate in terms of location and size of the proposed turbines. These photomontages are created using an industry standard process and governed by very strict guidelines. They have also been peer reviewed as part of the proposed development’s EIA process, with no concerns regarding the validity of the photomontages.