FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Bradley R Allan 2. Date of Event Requiring Statement (Month/Day/Year) 01/03/2005 3. Issuer Name and Ticker or Trading Symbol QUESTAR CORP [STR] (Last) (First) (Middle) 180 EAST 100 SOUTH, P.O. BOX 45360 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Officer 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SALT LAKE CITY, UT 84145-0433 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock and attached Common Stock Purchase Rights 10,000 (1) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Common Stock and attached Common Stock Purchase Rights	07/03/2005	01/03/2015	Common Stock and attached Common Stock Purchase Rights	50,000 (2)	$ 48.66	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Bradley R Allan 180 EAST 100 SOUTH, P.O. BOX 45360 SALT LAKE CITY, UT 84145-0433	Â	Â	  Executive Officer	Â

Signatures

Abigail L. Jones Attorney in Fact for R. A. Bradley		01/06/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The shares vest in three annual installments, beginning two years from date of grant. The shares were awarded under the terms of Questar's Long-term Stock Incentive Plan; 3,333 vest on or about January 3, 2007; 3,333 on or about January 3, 2008; and 3,334 on or about January 3, 2009.
(2)	The shares vest in four equal annual installments beginning six months after grant beginning on July 3, 2005. The expiration date of these options is January 3, 2015.

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