A two level electricity demand model evaluation of the connecticut time of day pricing test
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A TWO-LEVEL ELECTRICITY DEMAND MODEL. Evaluation of the Connecticut Time-of-Day Pricing Test. By J.A Hausman , M. Kinnucan , D. McFadden Presented By Julius Kimutai Abstract.

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A two level electricity demand model evaluation of the connecticut time of day pricing test

A TWO-LEVEL ELECTRICITY DEMAND MODEL. Evaluation of the Connecticut Time-of-Day Pricing Test.

By J.A Hausman, M. Kinnucan, D. McFadden

Presented

By Julius Kimutai

Abstract.

A two-stage budgeting model is developed for electricity demand where consumption is treated as a different commodity. The model is applied to TOD price situations and also declining block price situations. Then the model is tested in a forecasting application to TOD customers.


Introduction
Introduction.

  • Time-of-day( TOD) electricity has received increased attention in the post-1974 era of sharply increased energy prices. Generating capacity for electricity can be divided into 3 main types : BASE LOAD CAPACITY, INTERMEDIATE CAPACITY and PEAK CAPACITY.

  • TOD prices offer a possible method of decreasing AVERAGE GENERATION COST per KWH of demand by causing peak demand to shift into other hours of the day when only base load capacity is required. Also can be set to approximate WELFARE OPTIMUM.

  • They analyze the results of Connecticut Peak Load Pricing Test. Where meters were installed in 199 households and readings of household electricity consumption were recorded every 15 minutes for a period of one-year.

  • The papers approach is that they treat electricity demand within a two stage budgetary context. Letting electricity demand in each period be a different commodity, they estimate relative household demands across periods conditional on relative prices, the appliance stock, socioeconomic xctics of the household and the weather.


Theoretical approache 2 two level budgeting model
THEORETICAL APPROACHE 2. Two-level budgeting model.



Two level budgeting procedure imposes separability between electricity consumption and the consumption of other commodities. The idea behind the approach is that the household decides the total to be spent on electricity along with how much to spend on other commodities.



Multivariate approach
MULTIVARIATE APPROACH weather are incorporated


Estimation first level demand estimation
ESTIMATION. weather are incorporated First level demand estimation


Estimation contd. weather are incorporated They use the first level demand to construct the price index which enters the second level daily consumption equations. They validate the model by performing forecasts using estimated coefficients . The peak level demand forecasts do fairly well in forecasting the relative load curve. The intermediate forecasts are less successful with three out of nine periods having relatively large forecast errors.


Model validation and conclusion
Model validation and conclusion weather are incorporated

  • The model appears to perform relatively well in the forecast environment, especially in predicting peak period demands.

  • They conclude that it is worthwhile to consider using such a tool in the other TOD experiments where cross elasticities could also be estimated since the data design in the Connecticut test did not permit these elasticities to be estimated.


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