Okla. Stat. tit. 17, § 17-160.14: Decommissioning of wind energy facility

A. The owner of a wind energy facility shall be responsible, at

its expense, for the proper decommissioning of the facility upon

abandonment or the end of the useful life of the commercial wind

energy equipment in the wind energy facility.

B. Proper decommissioning of a wind energy facility shall

include:

1. Removal of wind turbines, towers, buildings, cabling,

electrical components, foundations and any other associated

facilities, to a depth of thirty (30) inches below grade; and

2. Disturbed earth being graded and reseeded or otherwise

restored to substantially the same physical condition as existed

prior to the construction of the wind energy facility by the owner,

excluding roads, unless the landowner specifically requests in

writing that the roads or other land surface areas be restored.

C. The decommissioning of the wind energy facility, or

individual pieces of commercial wind energy equipment, shall be

completed as follows:

1. By the owner of the wind energy facility within twelve (12)

months after abandonment or the end of the useful life of the

commercial wind energy equipment in the wind energy facility; and

2. If the owner of the wind energy facility fails to complete

the decommissioning within the period prescribed in paragraph 1 of

this subsection, the Corporation Commission shall take such measures

as are necessary to complete the decommissioning.

D. A lease or other agreement between a landowner and an owner

of a wind energy facility may contain provisions for decommissioning

that are more restrictive than provided for in this section.