Simtel Team (SMTL.RO), a Romanian engineering and technology company listed on the AeRO market of the Bucharest Stock Exchange and a national leader in renewable energy, made RON6.5 million net profit in the first half of 2023, up 119% on the year-ago period, while revenue reached RON122.5 million, up 226%, the company said in a report to the stock market on Thursday.