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Data Dictionary

Title Type Label Description Example
CMZ_Code text nan

Unique identifier for Constraint Management Zones

CMZ_SP4A_EM_0012
Licence_area text East Midlands, West Midlands, South West or South Wales

WPD Licence Area

East Midlands
Scenario text Best View, Leading the Way, Consumer Transformation, System Transformation or Steady Progression

DFES Scenario

Best View
Scheme_name text nan

Name of scheme in DNOA

Wigston
Constraint_season text Winter, Summer, Winter/Summer or None

Season of constraint

Winter
Flexibility_product text Secure or Dynamic

Flexibility product used to manage constraint

Secure
Earliest_possible_reinforcement_completion text Date (YYYY)

Year of reinforcement completion without any deferral

2024
DNOA_decision text Signposting, Flexibility, Reinforce with flexibility, Reinforce or Remove

Decision on how to manage constraint

Signposting
Projected_flexibility_start text Date (YYYY) (can be 2027+)

First year of flexibility requirement

2026
Projected_flexibility_end text Date (YYYY) (can be 2027+)

Recommended last year of flexibility from CBA

2027+