Simpson Thacher represented Energia Group ROI FinanceCo DAC (the “Issuer”) in connection with its Rule 144A/ Regulation S offering of €600 million aggregate principal amount of 6.875% Senior Secured Notes due 2028. The transaction closed on July 31, 2023.~~The proceeds from the offering, together with cash on balance sheet were used to redeem the group’s outstanding 4.75% Senior Secured Notes due 2024 and 4% Senior Secured Notes due 2025, jointly issued by Energia Group NI FinanceCo PLC and Energia Group ROI Holdings DAC and to pay transaction costs.~~The Issuer is a wholly owned subsidiary of Energia Group Limited (“Energia”). Energia is a portfolio company of I Squared Capital and is a leading vertically integrated utility business in Northern Ireland and the Republic of Ireland.  Energia operates through three business units comprising of renewables, flexible generation and customer solutions.~~The Simpson Thacher team included Nicholas J. Shaw, Carol Daniel, Surya Bala, Alexander Yeagley, Kobi Barkan and Eusebio Lopez (Capital Markets); Charley Xu, Margareta Chlubnova and Toni Prskalo (Credit); Michael E. Mann, Yash Rupal, Caleb McConnell and Daisy Yue Dai (Tax).