On a Tuesday evening in August 2026, the entire nation of Belize was plunged into a widespread power outage, an incident that national utility provider Belize Electricity Limited (BEL) has directly traced to an unexpected failure of imported power from neighboring Mexico, compounded by a critical gap in domestic energy production capacity.
The full system collapse occurred abruptly at 7:28 p.m. local time, after Belize lost access to electricity supplied by Mexico’s national power utility Comisión Federal de Electricidad (CFE) due to unspecified operational issues on the Mexican side of the interconnected grid. At the moment of the imported supply loss, BEL’s available domestic generation capacity totaled only around 103 megawatts, far short of the 122 megawatts of peak evening demand across the country. This left an unplanned deficit of approximately 19 megawatts that the existing local infrastructure could not cover.
To prevent permanent damage to critical grid infrastructure, BEL’s automatic protection protocols activated immediately after the supply shortfall was detected. The system initiated automatic load shedding across disconnected segments of the national grid in an attempt to rebalance supply and demand, a move that ultimately resulted in outages spanning every region of Belize. Power imports from CFE were fully restored just over three hours later, at 10:54 p.m. the same evening.
In a public statement explaining the incident, BEL noted that domestic energy production has been operating under constrained conditions for weeks, driven by a combination of seasonal resource variations and ongoing planned maintenance work across the national generation fleet. Several key renewable energy facilities are currently unable to operate at full capacity due to seasonal environmental conditions, while multiple traditional generating units are either completely offline for scheduled upgrades or operating at reduced output to accommodate ongoing work.
Moving forward, BEL announced that it will maintain continuous 24/7 monitoring of both domestic generation levels and overall grid stability to prevent similar large-scale outages. As an interim mitigation measure to address ongoing capacity constraints, the utility has already published a formal temporary rolling load shedding schedule that will affect selected regions of the country until production capacity can be brought back to adequate levels.