DTE Energy 2014 Annual Report Download - page 50

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
To the Board of Directors and Shareholders of
DTE Energy Company
In our opinion, the consolidated financial statements listed in the accompanying index present fairly, in all material respects, the financial position of DTE
Energy Company and its subsidiaries at December 31, 2014 and 2013, and the results of their operations and their cash flows for each of the three years in the
period ended December 31, 2014in conformity with accounting principles generally accepted in the United States of America. In addition, in our opinion,
the financial statement schedule listed in the accompanying indexpresents fairly, in all material respects, the information set forth therein when read in
conjunction with the related consolidatedfinancial statements. Also in our opinion, the Company maintained, in all material respects, effective internal
control over financial reporting as of December 31, 2014, based on criteria established in Internal Control - Integrated Framework (2013 COSO) issued by
the Committee of Sponsoring Organizations of the Treadway Commission. The Company's management is responsible for these financial statements and
financial statement schedule, for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control
over financial reporting, included in the accompanying Management’s report on internal control over financial reporting. Our responsibility is to express
opinions on these financial statements, on the financial statement schedule, and on the Company's internal control over financial reporting based on our
integrated audits. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those
standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement
and whether effective internal control over financial reporting was maintained in all material respects. Our audits of the financial statements included
examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and
significant estimates made by management, and evaluating the overall financial statement presentation. Our audit of internal control over financial reporting
included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating
the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we
considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.
A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting
and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control
over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly
reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit
preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being
made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or
timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of
effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance
with the policies or procedures may deteriorate.
/s/ PricewaterhouseCoopers LLP
Detroit, Michigan
February 13, 2015
48