Strategic energy planning (SEP) Environmental Assessments

Following the delivery of the Holistic Network Design (HND) and Follow Up Exercise (HNDFUE) the National Energy System Operator (NESO) is conducting statutory environmental assessments on these design recommendations. 

Sea and cliffs

Draft HND Implementation Plan public consultation

The draft HND Implementation Plan along with the related suite of environmental assessments is now open for public consultation. This consultation period will run for thirteen weeks, from 3 November 2025 to 30 January 2026. Your feedback will be crucial in refining our reports' final findings and recommendations.

Read the Consultation and provide feedback

Person walking on top of hill with bright blue skies

Assessment's being delivered

The assessment/s that are being delivered include:

  • Habitats Regulations Assessment (HRA)
  • Marine Conservation Zone (MCZ) Assessment
  • Strategic Environmental Assessment (SEA).

Find out more about our commitment