Plenitude, the renewables arm of Italian oil and gas major Eni SpA (<a href="https://www.borsaitaliana.it/borsa/azioni/scheda/IT0003132476.html?lang=en" target="_blank">BIT:ENI</a>), has completed a deal through which it received a EUR-588-million (USD 642m) investment from Swiss investment company Energy Infrastructure Partners (EIP).