What is the primary purpose of this 10-K/A filing?

This filing (Amendment No. 1 to the 2006 10-K) is primarily to provide separate audited financial statements for DCP Midstream, LLC, a subsidiary of Duke Energy, as required by SEC regulations (Rule 3-09 of Regulation S-X).

Does this amendment change Duke Energy's overall financial results for 2006?

No, the filing explicitly states that this amendment does not update or modify the financial position, results of operations, cash flows, or disclosures in the original 10-K filed on March 1, 2007. The core Duke Energy financials remain as previously reported.

Where can I find the main financial information for Duke Energy for the year ended December 31, 2006?

The comprehensive financial information for Duke Energy Corporation for the year ended December 31, 2006, is located in the original Form 10-K filing, which was filed on March 1, 2007.

What is DCP Midstream, LLC, and why are its financials being filed separately?

DCP Midstream, LLC was formerly known as Duke Energy Field Services, LLC. Its separate financial statements are being included in this amendment to comply with Rule 3-09 of Regulation S-X, which requires separate financial reporting for significant subsidiaries.

Duke Energy CORP 10-K FY2006 Annual Report

Summary

This filing is an amendment to Duke Energy's 2006 10-K, primarily to include separate audited financial statements for DCP Midstream, LLC (formerly Duke Energy Field Services, LLC). The amendment does not alter the core financial disclosures of Duke Energy Corporation itself as originally reported on March 1, 2007. Investors should refer to the original 10-K for comprehensive financial performance, operational results, and cash flow information for Duke Energy. The inclusion of DCP Midstream's financials is a regulatory requirement under Rule 3-09 of Regulation S-X, likely due to its significance as a consolidated entity.

Key Highlights

1Amendment to the 2006 10-K filing, not a restatement of Duke Energy's core financials.
2Includes separate audited financial statements for DCP Midstream, LLC as required by Rule 3-09.
3DCP Midstream was formerly known as Duke Energy Field Services, LLC.
4Original 10-K for Duke Energy Corporation (filed March 1, 2007) contains the primary financial data for the period.
5No new information on Duke Energy's financial position, results of operations, or cash flows beyond the original filing is provided.
6This amendment focuses solely on supplementary disclosures for a specific subsidiary.

Duke Energy CORP Annual Report (Amendment), Year Ended Dec 31, 2006

Summary

Key Highlights

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