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Industrial energy diagnosis for chemical companies

SERVICE MERCATO CLIENT Primary company of refrigerant gases YEAR 2015

Client brief

Fulfil the energy audit obligation required by Italian Legislative Decree 102/2014 for large and energy-intensive companies and identify energy efficiency solutions.

Project challenge

to adopt of a group approach for the fulfilment of the energy audit obligation, including about 20 companies characterised by a diversity of activities. Drafting of energy audit reports, with identification of opportunities for improvement, for complex production plants that are already heavily controlled and managed with a view to maximum efficiency.

Solution

An innovative system architecture was defined, overcoming the classic “site by site” approach and opting for a more centralised management solution that would enhance the skills and responsibilities of the company’s Energy Management Unit.

Esecution phases

FASE 1

Collection of energy consumption data from approximately 40 sites belonging to the 20 Group companies.

FASE 2

Selection of 4 sites to be subjected to an energy audit by means of a single industrial clustering plan at Group level.

FASE 3

Kick-off meeting to share the material needed for planning and carrying out technical inspections.

FASE 4

Data collection relating to:

  • characteristics of energy-intensive plant/equipment;
  • description of company energy flows;
  • monthly consumption of electricity and methane gas for the previous three years (billing data and measurements from existing monitoring systems).
FASE 5

Detailed technical inspections to survey the existing installations by means of a census of the individual electrical and thermal users.

FASE 6

Electrical and thermal modelling of the plant and calibration of the models on the basis of actual consumption data to identify the most significant energy-intensive areas.

 

FASE 7

Identification of energy performance indicators, also for the possible subsequent implementation of an Energy Management System in accordance with the ISO 50001 standard.

FASE 8

Drafting of 4 energy audit reports, in accordance with CEI UNI EN 16247 parts 1 to 3, with identification of possible energy efficiency measures and their quantitative economic evaluation.

FASE 9

Upload of the documentation to the dedicated ENEA portal.

Achieved results

operational and technical measures for energy efficiency were identified corresponding to a total of 900 toe of energy savings, thus achieving full regulatory compliance.

 

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