**Exhibit 99.01**

## **NSP-MINNESOTACAUTIONARY FACTORS**

The Private Securities Litigation Reform Act provides a “safe harbor”for forward-looking statements to encourage such disclosures without the threatof litigation, providing those statements are identified as forward-looking andare accompanied by meaningful, cautionary statements identifying importantfactors that could cause the actual results to differ materially from thoseprojected in the statement. Forward-looking statements are made in writtendocuments and oral presentations of NSP-Minnesota. These statements are basedon management’s beliefs as well as assumptions and information currentlyavailable to management. When used in NSP-Minnesota’s documents or oralpresentations, the words “anticipate,” “estimate,” “expect,” “projected,”objective,” “outlook,” “forecast,” “possible,” “potential” and similarexpressions are intended to identify forward-looking statements. In addition toany assumptions and other factors referred to specifically in connection withsuch forward-looking statements, factors that could cause NSP-Minnesota’sactual results to differ materially from those contemplated in anyforward-looking statements include, among others, the following:

·                  Economicconditions, including their impact on capital expenditures and the ability ofNSP-Minnesota to obtain financing on favorable terms, inflation rates andmonetary fluctuations;

·                  Businessconditions in the energy business;

·                  Demandfor electricity in the nonregulated marketplace;

·                  Trade,monetary, fiscal, taxation and environmental policies of governments, agenciesand similar organizations in geographic areas where NSP-Minnesota has afinancial interest;

·                  Customerbusiness conditions, including demand for their products or services and supplyof labor and materials used in creating their products and services;

·                  Financialor regulatory accounting principles or policies imposed by the FinancialAccounting Standards Board, the SEC, the Federal Energy Regulatory Commissionand similar entities with regulatory oversight;

·              Availability or costof capital such as changes in: interest rates; market perceptions of theutility industry, NSP-Minnesota, Xcel Energy or any of its other subsidiaries;or security ratings;

·                  Factorsaffecting utility operations such as unusual weather conditions; catastrophicweather-related damage; unscheduled generation outages, maintenance or repairs;unanticipated changes to fossil fuel, nuclear fuel or natural gas supply costsor availability due to higher demand, shortages, transportation problems orother developments; nuclear or environmental incidents; or electrictransmission or natural gas pipeline constraints;

·                  Employeeworkforce factors, including loss or retirement of key executives, collectivebargaining agreements with union employees, or work stoppages;

·                  Increasedcompetition in the utility industry;

·                  State,federal and foreign legislative and regulatory initiatives that affect cost andinvestment recovery, have an impact on rate structures and affect the speed anddegree to which competition enters the electric and natural gas markets;industry restructuring initiatives; transmission system operation and/oradministration initiatives; recovery of investments made under traditionalregulation; nature of competitors entering the industry; retail wheeling; a newpricing structure; and former customers entering the generation market;

·                  Rate-settingpolicies or procedures of regulatory entities, including environmentalexternalities, which are values established by regulators assigningenvironmental costs to each method of electricity generation when evaluatinggeneration resource options;

·                  Nuclearregulatory policies and procedures, including operating regulations and spentnuclear fuel storage;

·                  Socialattitudes regarding the utility and power industries;

·                  Costand other effects of legal and administrative proceedings, settlements,investigations and claims;

·                  Technologicaldevelopments that result in competitive disadvantages and create the potentialfor impairment of existing assets;

·                  Significantslowdown in growth or decline in the U.S. economy, delay in growth or recoveryof the U.S. economy or increased cost for insurance premiums, security andother items;

·                  Risksassociated with implementation of new technologies; and

·                  Otherbusiness or investment considerations that may be disclosed from time to timein NSP-Minnesota’s SEC filings, including “Risk Factors” in Item 1A , or inother publicly disseminated written documents.

NSP-Minnesota undertakesno obligation to publicly update or revise any forward-looking statements,whether as a result of new information, future events or otherwise. Theforegoing review of factors should not be construed as exhaustive.

 

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