experience you can trust. 1 recap technology tour date: 2004
TRANSCRIPT
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Experience you can trust.1
RECAP Technology Tour
Date: 2004
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RECAP System
KEMA’s RECAP system is used to estimate usage and cost by end
use and to develop customer-specific recommendations.
Our on-line tools can also present usage history, conduct usage
benchmarking, and perform certain rate analyses.
The recommendation can address measure retrofits, operations such
as temperature setpoint adjustments, maintenance practices, normal
and early replacement of appliances, and the promotion of programs,
events, rate options, products, and services.
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Our Robust Methodology Mature and tested methodology
– Approximately 5 million reports processed
– Uses billing and weather information
– Can estimate in absence of billing data
Fully customizable set-up values
– Can adjust values specific to regions
– Provide ongoing calibration service
Engineering models
– Beyond simple lookup of typical values
– Specific models for each end use
Regression model used to assist in estimation of weather sensitive loads
Complex statistical reconciliation of estimated results to actual bills
Automated and manual quality control
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Our Robust Methodology
Cooling, Heating, and Baseload
Cooling, Heating, and Baseload
Cooling, Heating, and Baseload
Reconciliation
Billing History Data Regional Weather
Customized Engineering Set-
up Data
Customer Survey Data
Weather Analysis Appliance Models
(Engineering/Behavioral)
Regression Analysis Expected Appliance
Usage
Reconciliation
Cooling, Heating, and Baseload
Customer Report Marketing Information
Database
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Our Robust Methodology The customer survey data and temperature data are used with a set of engineering algorithms to
develop an initial estimate of usage by end use. The algorithms utilize basic engineering principles
and a large set of parameters that can be set for different clients, regions, and customer types.
The engineering estimates are just the starting point if usage history is available. RECAP also uses
a regression analysis of monthly usage, heating degree-days, and/or cooling degree-days to produce
an estimate of the weather-sensitive usage.
The regression-based estimates and the engineering-based estimates are processed through a
statistical reconciliation routine to derive an end-use breakdown of the actual household usage. The
reconciliation routine uses log normal distribution theory and professional judgment on the relative
precision of each end-use estimate.
Various quality control conditions are checked throughout the process and the user is provided with
feedback and instructions if the survey responses appear to be inconsistent with the usage data.
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Missing Values
We have developed other analysis options for situations when sufficient usage
history is not available or when the customer wants a quick analysis without
logging in.
These options include customer-provided estimates of average bill amounts
(this is less effective when the gas and electric bill is combined) or estimating
the amount of usage based on the survey and weather data.
It is also possible to offer customers the option of entering their own usage
history, although most would prefer that the utility make this information
available.