1. The boundaries of a district created wholly or in part to furnish electric light and power may be enlarged by the inclusion of additional real property by a petition, if the real property is capable of being served with the facilities of the district and the petition:
(a) Prays that the additional real property be included in the district;
(b) Is signed by at least 75 percent of the owners in fee of the real property in the territory; and
(c) Is filed with the board of trustees of the district.
2. The boundaries of any district expanded pursuant to the provisions of NRS 318.261 to 318.272, inclusive, must not include any territory of any incorporated city unless the governing body of the incorporated city has approved the annexation of that territory.