T H E S E - TEL

Potentiel d’économies d’énergie par les services énergétiques – Application au cycle de vie
des équipements de conversion de l’énergie
The FIDELIO approach
In the optics of the opening of the markets of energy, EDF initiated a policy called FIDELIO
for customer loyalty building. EDF selected two ESCOs (LM Control and Energie System)
specialized in energy management. This approach includes four separated phases in order not
to invoice all the service if the project is not feasible (phase 1 report) or if the customer
decides not to apply the recommended solutions (phase 2 report):
• Feasibility study (1000 €): EDF determines the equipments that are the principal cause
of power calls and makes a report favorable or not to the prolongation of the approach.
• Audit (3500 €): The ESCO measures the consumption of considered equipments
during the ten days period which is as representative of the real consumption of the
site as possible. The ESCO also takes into account the will of the customer
(investment, mark of the device, payback time etc...) as well as production parameters.
A report including a technical solution (type of optimizer) with engagement of results
on the generated savings is finally proposed.
• Works management (3000 €): The installation can be supervised either by the
customer or by the ESCO. The device and its installation (25000 €) are not included in
the price.
• Follow-up (one year, price to be negotiated with the ESCO): The ESCO intervenes in
order to adjust the optimizer. Indeed, the measurement campaign is not completely
representative, it is sometimes necessary to intervene.
By this approach, EDF wants to decrease of a minimum of 10 % the bill of its customers with
a return on investment lower than two years.
Interest of such an approach
The main use of this optimizer is to reduce the electricity invoice by smoothing the load
diagram. However, in the French current context of low electricity price, this process
represents an important behavioral change because it leads to define a maximum parts flow to
galvanize and thus limits power calls.
The interest for EDF is double: The management of the electricity production is easier when
the overall load diagram is flat. However, due to the opening of energy markets, the
comparison of supplier tenders became possible and thus could not be in favor of EDF
without optimization. This process is thus a way to develop the loyalty of the customer by
proposing solutions to reduce the electricity bill without any supplier switching.
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