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Energy Efficiency Management

Energy consumption in downstream businesses may take up to 50% of the operational costs. In view of the emission targets set by the Paris Agreement on Climate Change of November 2016, minimising fossil fuel firing in downstream unit operations is of the utmost importance. Even mandatory change to imported fuels instead of using process residuals as fuel has to be considered. Alternative energy resources such as solar and wind power will have to be incorporated in the portfolio of the energy supply.

Especially in arid countries focus on (waste) water management and cooling system losses may contribute significantly to optimisation of the available (energy) resources.

Many companies have gone through Energy Efficiency Improvement programmes. However, for various reasons often initial expectations are not met or achievements erode:

  • Freed up energy resources are used elsewhere (more throughput, added processes)
  • Operational best practices aren’t adopted by all parties concerned
  • Preference for inefficient technologies or configurations, sometimes caused by the responsible manager’s intuitive attitude towards risk (avoidance)
  • Insufficient maintenance and/or inspections (sometimes caused by budget restrictions)
  • Changes in product specifications (for example lower Sulphur content)
  • Inefficient use of the existing utilities infrastructure versus demands
  • Inadequate performance monitoring and management (metrics, targets, corrective actions)
  • Inadequate costs allocation systems which do not show the real value of the resources lost
  • Not participating in or unavailability of international benchmarks for the processes involved
  • Savings estimates based individual proposals but ignoring interactions of measures

On top this, initiative overload may block the availability of manpower and budget. A proper implementation sequence will minimise the required financial means to adequately address improvement opportunities; i.e. prioritisation and implementation planning has to be included as part of the management system.

What is involved?

The development of the Energy Efficiency Management Strategy would involve a review of the current energy practices, rating procedures against Industry tools and bench-marks and the subsequent development of a Site Energy Strategy. Typically, this will address the key areas outlined above. Site standards will be developed where none exist.


Most importantly, the management processes, mechanisms and responsibilities need to be established and defined.

Performance reporting, metrics and benchmarks plus the associated target setting and corrective action loops need to be developed. This then provides the correct foundation and discipline.

Issues to be addressed

  • Management commitment and (no-blame) culture
  • Buy-in at all operational levels (reward quality improvement initiatives)
  • Performance monitoring, benchmarking and management
  • Clear, measurable and realistic targets
  • System Optimisation tools during (re)design, implementation and operation
  • Opportunity Implementation roadmap
  • Cross-border and/or cross-battery limit opportunities

Benefits

Depending on the extend of the programme and the existing design, low/no cost improvements may lead to 2-5% energy reduction. If redesign is included up to 25% energy use reduction may be a possibility. In refineries, examples exist of up to 50% reduction of fresh water intake.

Information

For more information about this service please contact us through the Client Enquiry Communication form on this site, or send us an email at info@eee.nl.

Reference:

EEE-S-017
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