Ovo Energy Referral Code & Recommendation page. Welcome! Enjoy and share Ovo Energy referral links on this page. Share all your referrals in your own free page. Fan of Ovo Energy? Make sure you give a thumbs-up recommendation. Follow and influence friends & others. Awarded Energy Supplier of the Year, for the third year running, at the 2017 uSwitch Energy Awards. ReferralCodes has found you a Ovo Energy referral code discount!