Guyana tightens environmental permits for offshore oil projects as flaring fees and monitoring requirements increase

Published: 2026-04-14 11:45:11 ET XOM

Published on 04/14/2026 at 11:45 am EDT

Environmental permits governing Guyana's offshore oil developments have become progressively stricter since the country's first commercial production, with expanded requirements for emissions control, financial accountability and spill prevention across successive projects, OilNow reported.

The Liza 1 project, Guyana's first commercial offshore development, initially operated under standard environmental impact assessment, spill response and baseline monitoring requirements. A 2021 modification introduced stricter flaring rules and emissions reporting, requiring ExxonMobil to pay $30 per tonne of CO2-equivalent for excess emissions from flaring beyond approved timelines. The Environmental Protection Agency subsequently raised the fee to $45 per tonne for flaring outside approved circumstances, and a renewed permit issued a year later set the rate at $50 per tonne.

All subsequent project permits have reflected these improvements. The Yellowtail development set a new benchmark, with the EPA's permit including provisions for insurance, oil spill prevention and management, and mandatory equipment including blowout preventers and a capping stack to address severe offshore accidents.

Across the project portfolio, monitoring and reporting obligations have increased, financial assurances for environmental liabilities have been formalised, flaring and emissions controls have become more detailed and risk mitigation equipment requirements have been elevated.

ExxonMobil operates the Stabroek Block with a 45% interest alongside Hess at 30% and CNOOC at 25%. The block holds 11 billion barrels of oil-equivalent in discovered resources, with production currently exceeding 900,000 barrels per day.