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CHAPTER THIRTY-THREE
Appendix 2: Methodology
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Chapter 33

Appendix 2: Methodology for Estimating Subsidy Support

Estimate Scope

Chapter 28 does not attempt to estimate all government energy subsidies. It estimates only those that relate to the production of energy from specific fuels.

This study estimated the effect of federal, state and local subsidies on what consumers must pay to purchase a particular type of fuel. The consumer may be a utility buying fuel to produce energy; a company buying fuel to generate its own energy or to power vehicles; or an individual consumer making similar choices.

Some energy government subsidies fell outside of the scope of this estimate. Exhibit 33-1 below lists these subsidies.

Many electricity subsidies are allocated to specific fuel types. Those that are not allocated are noted in the text.

Exhibit 33-1

Ancillary Services Capacity
Energy Subsidy Reason for Exclusion From Estimate for 2006
Transportation subsidies for highways, waterways, and airports Not linked to specific types of fuels
Conservation or efficiency subsidies* Not linked to specific types of fuels
Government regulations

Indirect impact on cost of fuel
Impact not quantified
Frequently are partially paid by fees charged to the industry being regulated

Externalities – environmental costs of pollution from different types of fuels

No consensus on how to quantify costs
Costs paid by general public, not part of the immediate cost of a particular fuel for purchaser making choice

Defense expenditures related to security of Persian Gulf

Difficult to quantify subsidy
Complex relationship with fuel price

*Conservation and efficiencies are discussed in Chapter 23, but are not included in this analysis of subsidies.

Source: Texas Comptroller of Public Accounts.

Methodology

To prepare this estimate, the Comptroller used estimates of the impact of tax credits and exemptions supplied by the Office of Management and Budget and the Joint Committee on Taxation. In some instances, these estimates had to be allocated among several different fuels according to available industry data, usually from the U.S. Energy Information Administration.

The Comptroller also reviewed data from federal and state agency budgets for spending information. Budgetary appropriations not offset by industry fees were counted as subsidies.

To identify potential subsidies, the Comptroller team reviewed the subsidy reports listed in Chapter 28 and other sources, such as the U.S. Department of Energy’s DSIRE database (http://www.dsireusa.org).

Methodology for Estimating Texas Tax Subsidies

The Comptroller used Texas tax data to estimate Texas tax subsidies for 2006.

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