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The NSTA’s Operations Directorate carries out structured, tiered stewardship reviews as part of its ‘business as usual’ operations. Where an issue arises that requires the NSTA’s attention, this will usually be dealt with initially through this stewardship process.

Prioritisation criteria

When considering whether or not to take action using formal powers the NSTA will review that issue alongside its prioritisation criteria which can be found below:

Initial Assessment Outcomes

There are various potential outcomes the NSTA can pursue after conducting an Initial Assessment. A summary of the options can be found below:

Regulatory Decisions (archived since May 2019)

Summary of applications received and considered by the NSTA under sections 82-84 of the Energy Act 2011 and earlier legislation.

Guidance

The NSTA produces a range of guidance documents, to support and assist industry in fulfilling its responsibilities and obligations, to set clear expectations on standards and behaviour, and to help share best practice.