Aquila European Renewables plc (<a href="https://www.londonstockexchange.com/stock/AERS/aquila-european-renewables-plc/company-page" target="_blank">LON:AERS</a>), a merger target of Octopus Renewables Infrastructure Trust plc (<a href="https://www.londonstockexchange.com/stock/ORIT/octopus-renewables-infrastructure-trust-plc/company-page" target="_blank">LON:ORIT</a>), has decided to open its books to select suitors as part of a broader review of options for its business carried out by its board.