Arizona Revised Statutes

Ariz. Rev. Stat. § 40-331 (2026)

Power of commission to order additions, improvements or changes in plant of public service corporations; additions or changes made jointly

✓ current as of May 2026
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A. When the commission finds that additions or improvements to or changes in the existing plant or physical properties of a public service corporation ought reasonably to be made, or that a new structure or structures should be erected, to promote the security or convenience of its employees or the public, the commission shall make and serve an order directing that such changes be made or such structure be erected in the manner and within the time specified in the order. If the commission orders erection of a new structure, it may also fix the site thereof.

B. If any such changes require joint action by two or more public service corporations, the commission shall notify the corporations thereof and that the changes shall be made at their joint cost, whereupon the corporations shall have such reasonable time as the commission grants within which to agree upon the division of cost. If at the expiration of the time the corporations fail to file with the commission a statement that an agreement is made for a division or apportionment of the cost or expense of the change, the commission may make an order fixing the proportion of the cost or expense to be borne by each corporation, and the manner of payment.

Notes of Decisions
Cited in 5 cases, 1983–2019 · leading case: James P. Paul Water Co. v. Arizona Corp. Comm'n, 671 P.2d 404 (Ariz. 1983).
James P. Paul Water Co. v. Arizona Corp. Comm'n, 671 P.2d 404 (Ariz. 1983). · cites it 2× “Once certified to supply *430 water to a parcel of land, a water company must comply with orders and regulations promulgated by the Commission in the public interest, see A.”
Johnson v. Acc, 438 P.3d 656 (Ariz. Ct. App. 2019). · cites it 2× “§ 40-361(B) (requiring utility companies to maintain adequate facilities and services for safety of patrons); A.R.S. § 40-331(A) (granting power to make orders requiring public utilities to improve facilities to promote the security and convenience of the public).”
James P. Paul Water Co. v. ARIZ. CORP. COM'N, 671 P.2d 404 (Ariz. 1983). · cites it 2× “Once certified to supply *429 water to a parcel of land, a water company must comply with orders and regulations promulgated by the Commission in the public interest, see A.”
Arizona Water Co. v. Arizona Corp. Comm'n, 778 P.2d 1285 (Ariz. Ct. App. 1989). · cites it 4× “However, A.R.S. § 40-331(A) states: When the commission finds that additions or improvements to or changes in the existing plant or physical properties of a public service corporation ought reasonably to be made, or that a new structure or structures should be erected, to…”
Robin Silver v. Pueblo Del Sol Water Co, 423 P.3d 348 (Ariz. 2018). · cites it 4× “2d at 407-08 (citing A.R.S. § 40-331 ). Pursuant to its statutory authority, the Commission can order "additions or improvements" to a CC&N-holder's facilities when the Commission finds that such additions or improvements "promote the security or convenience of .”
— Ariz. Rev. Stat. § 40-331(A) — 3 cases
Johnson v. Acc, 438 P.3d 656 (Ariz. Ct. App. 2019). “§ 40-361(B) (requiring utility companies to maintain adequate facilities and services for safety of patrons); A.R.S. § 40-331(A) (granting power to make orders requiring public utilities to improve facilities to promote the security and convenience of the public).”
Arizona Water Co. v. Arizona Corp. Comm'n, 778 P.2d 1285 (Ariz. Ct. App. 1989). “However, A.R.S. § 40-331(A) states: When the commission finds that additions or improvements to or changes in the existing plant or physical properties of a public service corporation ought reasonably to be made, or that a new structure or structures should be erected, to…”
Robin Silver v. Pueblo Del Sol Water Co, 423 P.3d 348 (Ariz. 2018). “2d at 407-08 (citing A.R.S. § 40-331 ). Pursuant to its statutory authority, the Commission can order "additions or improvements" to a CC&N-holder's facilities when the Commission finds that such additions or improvements "promote the security or convenience of .”
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