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Simplified measurement & verification + quality assurance instruments for energy, water and CO2 savings – methodologies and examples
Panel: 1. Programmes to promote industrial energy efficiency
This is a peer-reviewed paper.
Authors:
Jan W. Bleyl, Energetic Solutions, Austria
Markus Bareit, Swiss Federal Office of Energy (SFOE), Switzerland
Peter Sattler, sattler energie consulting gmbh, Austria
Abstract
Measurement & verification (M&V) is a prerequisite to assess quantitative outcomes of energy, water or CO2 saving measures and to translate these into savings cash flows for financing and other purposes.
M&V methodologies (if persued at all) are mostly based on utility meters and invoices - at least in most European countries. In practice, M&V often encounters difficulties with data availability or accuracy, e.g. lack of comparability between baseline and reporting periods or savings are small in relation to overall consumption. This results in insecurity for customers, financiers and ESPs on verifiable future cash flows, which may lead to risk surcharges or no project implementation at all. A full scale IMPVP M&V plan is often not applicable or desired, due to its (perceived) complexity, lack of resources or its cost are prohibitive for smaller projects.
As a possible solution and often feasible compromise between no M&V and the effort and (perceived) accuracy of a full scale M&V approach, this paper proposes simplified M&V approaches for electricity, heat, water or CO2 saving measures (ECM) in combination with so called quality assurance instruments (QAI) . QAIs shall verify the functionality and quality of ECMs, but not necessarily their exact quantitative outcome over an entire project cycle. In many cases the simplified M&V approaches proposed are combinations of savings calculations to determine savings cash flows backed up by QAIs.
Methodologically, the paper is based on practical experiences with realized Integrated Energy-Contracting projects, which apply simplified M&V in combination with QAIs for their saving measures [Bleyl_2011]. It is supplemented with expert inputs from IEA DSM Task 16 [Task 16 2013], the Energy-Contracting competence center of the German Energy Agency dena [dena 2013] and examples from colleagues in the field. And we draw on the „International Performance Measurement and Verification Protocol“ [IPMVP_2012] and other literature.
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Panels of
1. Programmes to promote industrial energy efficiency
2. Sustainable production design and supply chain initiatives
3. Matching policies and drivers: Policies and directives to drive industrial efficiency
4. Undertaking high impact actions: The role of technology and systems optimisation
5. The role of energy management systems, education, outreach and training
6. Business models to improve industrial efficiency, global perspective