Compressed Air Scheme

This policy is intended to increase the efficiency of compressed air systems in the New Zealand industry. Funding is provided for two levels of audits on large compressed air systems (>=75KW) a basic walk-through audit of the plant/ system, and an in-depth audit. Auditors must be accredited Compressed Air Systems auditors (trained through a programme referred to in the capacity building section above). The walk-through audit is primarily aimed at identifying and quantifying the opportunity for savings on a site. Some specific recommendations will arise from this as well as an assessment of whether an in-depth audit is justified. Follow-ups are performed after 6 and 12 months to determine the level of savings achieved. The commercial programme is currently delivering annual savings of around 0.2 PJ a year; at a cost to Government of around 25% of the cost of building new supply assets.

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