NERMSNavy Emergency Response Management System
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* Annuity costs for ECMs and NERMs: the annuities will be paid off within nine years.
* Maintenance costs for NERMs: the owner will bear annual costs of 0.5% of the initial investment costs (4350 [euro]/yr).
* The maintenance savings of ECMs and NERMs are assumed to remain at the same level as during the ESPC contract period.
* The annual cost and savings balance for ECMs and NERMs for years 10-20 is the following:
* An analysis of the funding structures was done on a pilot case study where the typical scope of measures carried out in an ESPC were increased from typical HVAC measures to biomass district heating and NERMs (refurbishment of a swimming pool).
The ESPC business model provides a guarantee for energy and maintenance cost savings and for both NERMs and ECMs investment costs.
However, it is a challenge to maintain the economic balance of the ESPC when the projects integrate measures with low-cost-saving effects, such as the thermal envelope or NERMs. These investments increase while the energy savings remain on the same level.
This advanced ESPC business model integrates the avoided maintenance costs for the replaced old installations (23,000 [euro]/yr for ECMs and 26,000 [euro]/yr for NERMs) into the revenue scheme.
* Use energy savings to contribute to funding the NERMs. The annual savings achieved by the ECMs will first be used to achieve the ECMs' payback.
* Experience shows that bundling ECMs and NERMs in one ESPC is feasible as long as the NERMs investment does not significantly exceed the ECMs investment costs.
This innovative approach blended ECMs and their savings with NERMs to generate additional accountable values:
* The advanced ESPC business model also assumed the risks to meet the calculated investment cost frame for both ECMs and NERMs bundles.