RGS Energy again facing delisting by Nasdaq stock exchange

LOUISVILLE — Troubled Louisville-based solar installer RGS Energy (Nasdaq: RGSE) is once again in danger of being delisted by the Nasdaq stock exchange.

Just more than four months after announcing that the company had come back into compliance with Nasdaq’s marketplace rules, the company disclosed in a regulatory filing on Dec. 24 that it has been notified by the exchange of the possible delisting.

RGS is in violation of the Nasdaq rule that prohibits companies’ share price from closing below $1 for more than 30 days in a row. RGS’ share price last closed above…