IPMVPInternational Performance Measurement and Verification Protocol
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IPMVP allows straightforward calculations of energy savings in such cases.
Although Guideline 14 and IPMVP methods represent current best practices for quantifying uncertainty, there are shortcomings to the methods, which are actively being discussed by industry experts.
The energy savings is determined following IPMVP to compare pre-retrofit and post-retrofit energy consumption.
For most lighting retrofits, IPMVP Option A is utilized to measure and verify energy savings.
Energy and comfort performance are tracked and verified for a minimum of 1 year in accordance with IPMVP.
Because these models are specific to each system and its equipment, this approach can also be considered a calibrated simulation approach and is acceptable by the IPMVP under Option D (EVO 2012).
The LEED 2009 for New Construction and Major Renovations Rating System requires the either retrofit isolation or the calibrated simulation approach defined in IPMVP for M&V in order to earn three points.
The general plan of measurement and verification to be contracted for this purpose will be based on IPMVP (International Performance Measurement and Verification) protocol.
This document actually follows the format of Volume I of IPMVP, which focuses on the concepts and options for determining energy and water savings.
Under the IPMVP approach, ASHRAE Guideline 14 provides technical details of modeling energy use, handling uncertainty in analysis, and validating analysis results, specifically for ESCO performance-based contracts (ASHRAE, 2002).
The general plan of measurement and verification will be contracted for this purpose will be based on IPMVP protocol (Protocol International Performance Measurement and Verification).