-Network: (100 - CONDENSED STATEMENTS OF CONSOLIDATED INCOME)

-Condensed Statements Of Consolidated Income {ID1}

Revenues {ID2}

-Expenses: {ID3}

Natural gas {ID4}

Operation and maintenance {ID5}

Depreciation and amortization {ID6}

Taxes other than income taxes {ID7}

Total {ID8}

Operating Income {ID9}

-Other Income (Expense): {ID10}

Gain (loss) on marketable securities {ID11}

Gain (loss) on indexed debt securities {ID12}

Interest and other finance charges {ID13}

Interest on transition bonds {ID14}

Equity in earnings of unconsolidated affiliates {ID15}

Distribution from AOL Time Warner litigation settlement {ID16}

Additional distribution to ZENS holders {ID17}

Return on true-up balance {ID18}

Other, net {ID19}

Total {ID20}

Income Before Income Taxes {ID21}

Income tax expense {ID22}

Income From Continuing Operations Before Extraordinary Item {ID23}

Income from Texas Genco, net of tax {ID24}

Loss on disposal of Texas Genco, net of tax {ID25}

Total {ID26}

Income Before Extraordinary Item {ID27}

Extraordinary item, net of tax {ID28}

Net Income {ID29}

Net Income {ID30}

Income From Continuing Operations Before Extraordinary Item {ID31}

Discontinued Operations, net of tax {ID32}

Extraordinary item, net of tax {ID33}

Basic Earnings Per Share {ID34}

Income From Continuing Operations Before Extraordinary Item {ID35}

Discontinued Operations, net of tax {ID36}

Extraordinary item, net of tax {ID37}

Diluted Earnings Per Share {ID38}

-Network: (200 - CONDENSED CONSOLIDATED BALANCE SHEETS)

-Condensed Consolidated Balance Sheets {ID39}

-Current Assets: {ID40}

Cash and cash equivalents {ID41}

Investment in marketable securities {ID42}

Accounts receivable, net {ID43}

Investment in Time Warner common stock {ID44}

Accrued unbilled revenues {ID45}

Natural gas inventory {ID46}

Materials and supplies {ID47}

Inventory {ID48}

Non-trading derivative assets {ID49}

Prepaid expenses and other current assets {ID50}

Total current assets {ID51}

-Property, Plant and Equipment: {ID52}

Property, plant and equipment {ID53}

Less accumulated depreciation and amortization {ID54}

Property, plant and equipment, net {ID55}

-Other Assets: {ID56}

Goodwill {ID57}

Regulatory assets {ID58}

Non-trading derivative assets {ID59}

Investment in unconsolidated affiliates {ID60}

Notes receivable from unconsolidated affiliates {ID61}

Other {ID62}

Total other assets {ID63}

Total Assets {ID64}

-Current Liabilities: {ID65}

Short-term borrowings {ID66}

Current portion of transition bond long-term debt {ID67}

Current portion of other long-term debt {ID68}

Current portion of other long-term debt {ID69}

Indexed debt securities derivative {ID70}

Accounts payable {ID71}

Taxes accrued {ID72}

Interest accrued {ID73}

Non-trading derivative liabilities {ID74}

Accumulated deferred income taxes, net {ID75}

Other {ID76}

Total current liabilities {ID77}

-Other Liabilities: {ID78}

Accumulated deferred income taxes, net {ID79}

Unamortized investment tax credits {ID80}

Non-trading derivative liabilities {ID81}

Benefit obligations {ID82}

Regulatory liabilities {ID83}

Other {ID84}

Total other liabilities {ID85}

-Long-term Debt: {ID86}

Transition bonds {ID87}

Other {ID88}

Total long-term debt {ID89}

Commitments and Contingencies {ID90}

-Shareholders’ Equity: {ID91}

Common stock (346,088,548 shares and 364,392,928 shares outstanding at December 31, 2008 and June 30, 2009, respectively) {ID92}

Additional paid-in capital {ID93}

Accumulated deficit {ID94}

Accumulated other comprehensive loss {ID95}

Total shareholders’ equity {ID96}

Shareholders' Equity {ID97}

Total Liabilities and Shareholders’ Equity {ID98}

-Network: (210 - Parenthetical Data For Condensed Consolidated Balance Sheets)

-Parenthetical Data For Condensed Consolidated Balance Sheets {ID99}

-Shareholders’ Equity: {ID100}

Common Stock, Shares, Outstanding {ID101}

-Network: (300 - CONDENSED STATEMENTS OF CONSOLIDATED CASH FLOWS)

-Condensed Statements Of Consolidated Cash Flows {ID102}

-Cash Flows from Operating Activities: {ID103}

Net income {ID104}

Discontinued operations, net of tax {ID105}

Extraordinary item, net of tax {ID106}

Income From Continuing Operations Before Extraordinary Item {ID107}

-Adjustments to reconcile net income to net cash provided by operating activities: {ID108}

Depreciation and amortization {ID109}

Amortization of deferred financing costs {ID110}

Deferred income taxes {ID111}

Unrealized loss on marketable securities {ID112}

Tax and interest reserves reductions related to ZENS and ACES settlement {ID113}

Investment Tax Credit {ID114}

Unrealized loss (gain) on Time Warner investment {ID115}

Unrealized gain on indexed debt securities {ID116}

Write- down of natural gas inventory {ID117}

Equity in earnings of unconsolidated affiliates, net of distributions {ID118}

-Changes in other assets and liabilities: {ID119}

Accounts receivable and unbilled revenues, net {ID120}

Inventory {ID121}

Taxes receivable {ID122}

Accounts payable {ID123}

Fuel cost over (under) recovery {ID124}

Non-trading derivatives, net {ID125}

Margin deposits, net {ID126}

Interest and taxes accrued {ID127}

Net regulatory assets and liabilities {ID128}

Pension contribution {ID129}

Other current assets {ID130}

Other current liabilities {ID131}

Other assets {ID132}

Other liabilities {ID133}

Other, net {ID134}

Net cash provided by operating activities of continuing operations {ID135}

Net cash used in operating activities of discontinued operations {ID136}

Net cash provided by operating activities {ID137}

-Cash Flows from Investing Activities: {ID138}

Capital expenditures {ID139}

Proceeds from sale of Texas Genco {ID140}

Purchase of minority interest of Texas Genco {ID141}

Decrease in restricted cash for purchase of minority interest of Texas Genco {ID142}

Decrease (increase) in restricted cash of transition bond companies {ID143}

Increase in notes receivable from unconsolidated affiliates {ID144}

Investment in unconsolidated affiliates {ID145}

Other, net {ID146}

Net cash used in investing activities {ID147}

-Cash Flows from Financing Activities: {ID148}

Increase (decrease) in short-term borrowings, net {ID149}

Long-term revolving credit facilities, net {ID150}

Proceeds from commercial paper, net {ID151}

Proceeds from long-term debt {ID152}

Payments of long-term debt {ID153}

Debt issuance costs {ID154}

Payment of common stock dividends {ID155}

Proceeds from issuance of common stock, net {ID156}

Other, net {ID157}

Net cash used in financing activities {ID158}

Net Increase (Decrease) in Cash and Cash Equivalents {ID159}

Cash and Cash Equivalents at Beginning of Period {ID160}

Cash and Cash Equivalents at End of Period {ID161}

-Supplemental Disclosure of Cash Flow Information: {ID162}

-Cash Payments: {ID163}

Interest, net of capitalized interest {ID164}

Income taxes {ID165}

-Non-cash transactions: {ID166}

Accounts payable related to capital expenditures {ID167}

-Network: (600 - Background and Basis of Presentation)

-Background and Basis of Presentation {ID168}

Background and Basis of Presentation {ID169}

-Network: (601 - New Accounting Pronouncements)

-New Accounting Pronouncements {ID170}

New Accounting Pronouncements {ID171}

-Network: (602 - Employee Benefit Plans)

-Employee Benefit Plans {ID172}

Employee Benefit Plans {ID173}

-Network: (603 - Regulatory Matters)

-Regulatory Matters {ID174}

Regulatory Matters {ID175}

-Network: (604 - Derivative Instruments)

-Derivative Instruments {ID176}

Derivative Instruments {ID177}

-Network: (605 - Fair Value Measurements)

-Fair Value Measurements {ID178}

Fair Value Measurements {ID179}

-Network: (606 - Goodwill)

-Goodwill {ID180}

Goodwill {ID181}

-Network: (607 - Comprehensive Income)

-Comprehensive Income {ID182}

Comprehensive Income {ID183}

-Network: (608 - Capital Stock)

-Capital Stock {ID184}

Capital Stock {ID185}

-Network: (609 - Short-term Borrowings and Long-term Debt)

-Short-term Borrowings and Long-term Debt {ID186}

Short-term Borrowings and Long-term Debt {ID187}

-Network: (610 - Commitments and Contingencies)

-Commitments and Contingencies {ID188}

Commitments and Contingencies {ID189}

-Network: (611 - Income Taxes)

-Income Taxes {ID190}

Income Taxes {ID191}

-Network: (612 - Estimated Fair Value of Financial Instruments)

-Estimated Fair Value of Financial Instruments {ID192}

Estimated Fair Value of Financial Instruments {ID193}

-Network: (613 - Earnings Per Share)

-Earnings Per Share {ID194}

Earnings Per Share {ID195}

-Network: (614 - Reportable Business Segments)

-Reportable Business Segments {ID196}

Reportable Business Segments {ID197}

-Network: (615 - Subsequent Events)

-Subsequent Events {ID198}

Subsequent Events {ID199}

-Network: (995200 - Document - Document Information)

-Document Information [Line Items] {ID200}

Document Type {ID201}

Document Period End Date {ID202}

Amendment Flag {ID203}

Amendment Description {ID204}

-Network: (995400 - Document - Entity Information)

-Entity Information [Line Items] {ID205}

Entity Registrant Name {ID206}

Entity Central Index Key {ID207}

Current Fiscal Year End Date {ID208}

Entity Well-known Seasoned Issuer {ID209}

Entity Voluntary Filers {ID210}

Entity Current Reporting Status {ID211}

Entity Filer Category {ID212}

Entity Public Float {ID213}

Entity Common Stock, Shares Outstanding {ID214}

CenterPoint Energy, Inc. XBRL Taxonomy Presentation Networks