UK electrolyser manufacturer ITM Power Plc (<a href="https://www.londonstockexchange.com/stock/ITM/itm-power-plc/company-page" target="_blank">LON:ITM</a>) has raised its revenue guidance for the year through April and now expects turnover of between GBP 25.5 million (USD 33.9m/EUR 29.7m) and GBP 26.5 million.