If the utility shall have replied in the negative or if it shall have failed to reply within the time prescribed in section 2907 of this title, the municipality, in the event that it shall have passed the votes required in sections 2903 and 2904 of this title, may take such private plant and property by the exercise of the right of eminent domain, paying therefor just compensation determined in the manner provided in section 2909 of this title, or, after the Commission upon proper notice and hearing has determined that it will promote the general good of the State so to do, may construct a municipal plant. (Amended 1959, No. 329 (Adj. Sess.), § 39(b), eff. March 1, 1961.)