The said Village shall also have authority to construct an electric light plant for the purpose of lighting the streets, walks, and public grounds of said Village, and lighting any buildings therein, and for this purpose may take or purchase, acquire, and hold any water power, land, and rights of way in said Town, needed for the construction, maintenance, and operation of said electric light plant, and may use any public highway over which it may be necessary or desirable to pass with the poles and wires of the same, provided the use of such public highway for the purpose of public travel is not thereby unnecessarily impaired.