PG&E 2013 Annual Report Download - page 31

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Interest Rate Risk
Interest rate risk sensitivity analysis is used to measure interest rate risk by computing estimated changes in cash
flows as a result of assumed changes in market interest rates. At December 31, 2013 and December 31, 2012, if
interest rates changed by 1% for all PG&E Corporation and Utility variable rate long-term debt, short-term debt,
and cash investments, the impact on net income over the next 12 months would be $11 million and $7 million,
respectively, based on net variable rate debt and other interest rate-sensitive instruments outstanding.
Energy Procurement Credit Risk
The Utility conducts business with counterparties mainly in the energy industry, including the CAISO market,
other California investor-owned electric utilities, municipal utilities, energy trading companies, financial institutions,
electricity generation companies, and oil and natural gas production companies located in the United States and
Canada. If a counterparty fails to perform on its contractual obligation to deliver electricity or gas, then the Utility
may find it necessary to procure electricity or gas at current market prices, which may be higher than the contract
prices.
The Utility manages credit risk associated with its counterparties by assigning credit limits based on evaluations
of their financial conditions, net worth, credit ratings, and other credit criteria as deemed appropriate. Credit limits
and credit quality are monitored periodically. The Utility ties many energy contracts to master commodity enabling
agreements that may require security (referred to as ‘‘Credit Collateral’’ in the table below). Credit collateral may be
in the form of cash or letters of credit. The Utility may accept other forms of performance assurance in the form of
corporate guarantees of acceptable credit quality or other eligible securities (as deemed appropriate by the Utility).
Credit collateral or performance assurance may be required from counterparties when current net receivables and
replacement cost exposure exceed contractually specified limits.
The following table summarizes the Utility’s credit risk exposure to its counterparties as of December 31, 2013
and December 31, 2012:
Net Credit
Number of Exposure to
Gross Credit Wholesale Wholesale
Exposure Customers or Customers or
Before Credit Credit Net Credit Counterparties Counterparties
Collateral(1) Collateral Exposure(2) >10% >10%
(in millions)
December 31, 2013 ............ $ 87 $ (9) $ 78 2 34
December 31, 2012 ............ $ 94 $ (9) $ 85 2 62
(1) Gross credit exposure equals mark-to-market value on physically and financially settled contracts, and net receivables (payables) where
netting is contractually allowed. Gross and net credit exposure amounts reported above do not include adjustments for time value or
liquidity.
(2) Net credit exposure is the Gross Credit Exposure Before Credit Collateral minus Credit Collateral (cash deposits and letters of credit posted
by counterparties and held by the Utility). For purposes of this table, parental guarantees are not included as part of the calculation.
CRITICAL ACCOUNTING POLICIES
The preparation of Consolidated Financial Statements in accordance with GAAP involves the use of estimates
and assumptions that affect the recorded amounts of assets and liabilities as of the date of the financial statements
and the reported amounts of revenues and expenses during the reporting period. The accounting policies described
below are considered to be critical accounting policies due, in part, to their complexity and because their application
is relevant and material to the financial position and results of operations of PG&E Corporation and the Utility, and
because these policies require the use of material judgments and estimates. Actual results may differ substantially
from these estimates. These policies and their key characteristics are outlined below.
Regulatory Accounting
The Utility’s rates are primarily set by the CPUC and the FERC and are designed to recover the cost of
providing service. The Utility capitalizes and records, as regulatory assets, costs that would otherwise be charged to
expense if it is probable that the incurred costs will be recovered in future rates. Regulatory assets are amortized
over the future periods that the costs are expected to be recovered. If costs expected to be incurred in the future are
currently being recovered through rates, the Utility records those expected future costs as regulatory liabilities. In
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