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Davis-Besse Nuclear Power Station Examines Shield Building

Routine Inspections Ensure Long-Term, Safe Operation of the Plant

AKRON, Ohio, Sept. 20, 2013 /PRNewswire/ -- Routine inspections of the concrete shield building at FirstEnergy Nuclear Operating Company's (FENOC) Davis-Besse Nuclear Power Station conducted to date have confirmed that the building continues to maintain its structural integrity and ability to safely perform its functions. 

The current inspection incorporates high-definition camera technology for examination inside of the building's walls through a series of inspection ports – or core bores.  The improved camera provides greater clarity and mobility than previously available equipment. 

Since the start of the inspection, 43 of the shield building's 82 core bores have been examined, with the remaining examinations expected to be complete in the next several weeks.  The improved camera has identified three very tight, subsurface pre-existing cracks in the building that were not visible with previous inspection technology.  These inspections also have found that in three locations, cracks initially identified in 2011 appear to have propagated a small amount.  

"Analysis of all inspection results to date confirms the 2011 conclusion that the shield building's structural integrity is not impacted by the presence of these tight cracks.  The robust building continues to function safely and reliably," said Davis-Besse Site Vice President Ray Lieb.  "Long-term safe, reliable operation of the plant is our number one goal."

The 2½ -foot thick reinforced concrete shield building provides biological shielding and protection from natural phenomenon including wind and tornados. The building surrounds a 1½-inch carbon steel vessel containing the reactor.

The initial cracks in the shield building were discovered in October 2011 when the building was opened to install a new reactor head.  Extensive analysis conducted at the time determined that the building's structural integrity was not affected.  Subsequently, the shield building was painted with a protective coating, and a long-term inspection program was established to ensure continued safe function of the building.

Davis-Besse is part of FirstEnergy Nuclear Operating Company, a subsidiary of FirstEnergy Corp. (NYSE: FE), which also operates the Beaver Valley Power Station in Shippingport, Pennsylvania, and the Perry Nuclear Power Plant in Perry, Ohio.

Forward-Looking Statements: This news release includes forward-looking statements based on information currently available to management. Such statements are subject to certain risks and uncertainties. These statements include declarations regarding management's intents, beliefs and current expectations. These statements typically contain, but are not limited to, the terms "anticipate," "potential," "expect," "believe," "estimate" and similar words. Forward-looking statements involve estimates, assumptions, known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Actual results may differ materially due to: the speed and nature of increased competition in the electric utility industry, in general, and the retail sales market in particular; the impact of the regulatory process on the pending matters before the Federal Energy Regulatory Commission and in the various states in which we do business including, but not limited to, matters related to rates and pending rate cases; the uncertainties of various cost recovery and cost allocation issues resulting from the realignment of American Transmission Systems, Incorporated into PJM Interconnection LLC; economic or weather conditions affecting future sales and margins; regulatory outcomes associated with storms, including but not limited to Hurricane Sandy, Hurricane Irene and the October snowstorm of 2011; changing energy, capacity and commodity market prices including, but not limited to, coal, natural gas and oil, and availability and their impact on retail margins; the continued ability of our regulated utilities to recover their costs; costs being higher than anticipated and the success of our policies to control costs and to mitigate low energy, capacity and market prices; other legislative and regulatory changes, and revised environmental requirements, including possible greenhouse gas emission, water discharge, water intake and coal combustion residual regulations, the potential impacts of Cross-State Air Pollution Rule, Clean Air Interstate Rule, or CAIR, and/or any laws, rules or regulations that ultimately replace CAIR, and the effects of the Environmental Protection Agency's Mercury and Air Toxics Standards rules including our estimated costs of compliance; the uncertainty of the timing and amounts of the capital expenditures that may arise in connection with any litigation, including New Source Review litigation or potential regulatory initiatives or rulemakings (including that such expenditures could result in our decision to deactivate or idle certain generating units); the uncertainties associated with the deactivation of certain older regulated and competitive fossil units including the decision to deactivate the Hatfield's Ferry and Mitchell Power Stations, the impact on vendor commitments, and the timing thereof as they relate to, among other things, Reliability Must-Run arrangements and the reliability of the transmission grid; adverse regulatory or legal decisions and outcomes with respect to our nuclear operations (including, but not limited to the revocation or non-renewal of necessary licenses, approvals or operating permits by the Nuclear Regulatory Commission or as a result of the incident at Japan's Fukushima Daiichi Nuclear Plant); issues arising from the indications of cracking in the shield building at Davis-Besse; adverse legal decisions and outcomes related to Metropolitan Edison Company's and Pennsylvania Electric Company's ability to recover certain transmission costs through their Transmission Service Charge riders; the impact of future changes to the operational status or availability of our generating units; the risks and uncertainties associated with litigation, arbitration, mediation and like proceedings, including, but not limited to, any such proceedings related to vendor commitments; replacement power costs being higher than anticipated or inadequately hedged; the ability to comply with applicable state and federal reliability standards and energy efficiency and peak demand reduction mandates; changes in customers' demand for power, including but not limited to, changes resulting from the implementation of state and federal energy efficiency and peak demand reduction mandates; the ability to accomplish or realize anticipated benefits from strategic and financial goals including, but not limited to, the ability to reduce costs and to successfully complete our announced financial plans designed to improve our credit metrics and strengthen our balance sheet, including but not limited to, proposed capital raising and debt reduction initiatives, the proposed West Virginia asset transfer and potential sale of non-core hydro assets; our ability to improve electric commodity margins and the impact of, among other factors, the increased cost of fuel and fuel transportation on such margins; the ability to experience growth in the Regulated Distribution segment and to continue to successfully implement our direct retail sales strategy in the Competitive Energy Services segment; changing market conditions that could affect the measurement of liabilities and the value of assets held in our nuclear decommissioning trusts, pension trusts and other trust funds, and cause us and our subsidiaries to make additional contributions sooner, or in amounts that are larger than currently anticipated; the impact of changes to material accounting policies; the ability to access the public securities and other capital and credit markets in accordance with our announced financial plan, the cost of such capital and overall condition of the capital and credit markets affecting us and our subsidiaries; actions that may be taken by credit rating agencies that could negatively affect us and our subsidiaries' access to financing, increase the costs thereof, and increase requirements to post additional collateral to support outstanding commodity positions, letters of credit and other financial guarantees; changes in national and regional economic conditions affecting us, our subsidiaries and our major industrial and commercial customers, and other counterparties including fuel suppliers, with which we do business; issues concerning the stability of domestic and foreign financial institutions and counterparties with which we do business; the risks and other factors discussed from time to time in our Securities and Exchange Commission filings, and other similar factors. The foregoing review of factors should not be construed as exhaustive. New factors emerge from time to time, and it is not possible for management to predict all such factors, nor assess the impact of any such factor on FirstEnergy's business or the extent to which any factor, or combination of factors, may cause results to differ materially from those contained in any forward-looking statements. FirstEnergy expressly disclaims any current intention to update, except as required by law, any forward-looking statements contained herein as a result of new information, future events or otherwise.

SOURCE FirstEnergy Corp.

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