TRIPPLAAR KRISTOFFER/SIPA/Sipa USA via AP The Opec-plus producers group scored a record compliance rate of 120% in December, Energy Intelligence’s assessment shows.Non-Opec, led by heavyweight Russia, was instrumental in achieving the month’s high compliance rate.If in 2020-21 the alliance’s chief concern was compliance, in 2022 this is poised to shift to capacity as more members encounter limits at the wellhead. Save for later Print Download Share LinkedIn Twitter Opec-plus achieved a record compliance rate in December, the 20th month of its historic output reduction agreement aimed at combating oversupply that resulted from the Covid-19 demand collapse. A large reason for the success was Russia, which had a 107% compliance rate for the month now that it has run into upstream limitations.