RedT Energy has posted an H1 pretax loss of €2.5m, from a year-earlier profit of €256,000. Revenue was €4.5m, from €6.4m.
"We are pleased to report that our trading results in the first half of 2016 are in line with expectations," said CEO Scott McGregor.
"As a result, the Company continues to make strong progress towards the commercialisation and full-scale production of redT's industrial, long duration, energy storage machines."
At 9:27am: (LON:RED) RedT Energy PLC share price was -0.5p at 12.5p