CENACE Formally Warns of High Blackout Risk — April 14 Demand Hits Historic 5,374 MW Record

The Warning

CENACE — Ecuador's National Electricity Operator — issued a formal advisory on April 16 flagging "alta probabilidad de cortes de carga (apagones) en puntos específicos del país" — high probability of forced load-shedding in specific areas, per Primicias (source).

Peak Demand Records

Date	Peak Demand
April 10, 2026	5,333 MW
April 14, 2026	5,374 MW (historic record)
April 15, 2026 (14:30)	5,237 MW

April 14's 5,374 MW sets a new all-time peak for the Ecuadorian interconnected system.

Affected Service Territory

Six CNEL distribution units are flagged:

1. Guayaquil
2. Milagro
3. Guayas-Los Ríos
4. El Oro
5. Los Ríos
6. Manabí

Combined, these units serve approximately 1.9 million users, representing roughly 70% of CNEL's 2.7 million total customer base — nearly the entire coastal and near-coastal low-to-mid altitude service territory.

Specific Sector Impacts

Urbanizaciones reportedly affected: Napoli, Vilanova, Milán, Bonaterra, and broader zones across Guayaquil, Samborondón, and Daule.

Per Expreso coverage, residents have reported "cortes de luz que superan las 12 horas" since the night of April 14–15, 2026.

Technical Failure Point

The article identifies a specific equipment overload:

"sobrecarga registrada en el alimentador Mallorca de la subestación Cataluña (Daule)"

Translation: the Mallorca feeder at the Cataluña substation in Daule has registered overload conditions. This is the kind of granular system-level detail typically absent from public advisories — its inclusion signals that local feeder capacity, not just generation, is the binding constraint.

Drivers

Two factors, per the article:

Heat wave demand spike. Extreme temperatures since early April have pushed AC load to record levels. The 5,374 MW April 14 peak reflects coincident residential, commercial, and industrial cooling load.

Structural under-investment. CENACE language cites "el incremento natural de la demanda y la inexistencia de un plan agresivo de inversión" — demand growth paired with absence of aggressive investment. Notably: "transformadores son de baja capacidad" — distribution transformers are undersized for current load profiles.

Operator Response (CNEL)

Per Expreso, CNEL has characterized the cuts as "maniobras operativas orientadas a resguardar la estabilidad del sistema" and confirmed "suspensiones son de carácter preventivo" — preventive load-shedding to protect system integrity.

Business Impact

Sector	Impact
Residential	Direct 12-hour outages in affected sectors
Commercial/retail	Operational disruption; higher generator costs
Industrial (Guayaquil port, export processing)	CAPEX-intensive processes exposed to unplanned shutdowns
Tourism (coast, Salinas, Samborondón)	Hotel and restaurant operations affected
Financial services	Branch availability; backup power costs
ICT/fintech	Data center reliability concerns (most hyperscalers use backup, but smaller operators at risk)

The Aerovía in Guayaquil has already been suspended intermittently due to grid conditions (see prior Ecuador Brief coverage).

What to Watch

• Peak demand trajectory April 17-30. With the heat wave continuing, sequential daily peaks above 5,300 MW will test grid capacity repeatedly.
• Substation-level failures. Mallorca/Cataluña is one documented failure; further feeder-level failures across the coastal grid likely.
• CNEL leadership actions. Juan Carlos Blum was named new CNEL GM on April 15 (see prior coverage). His first-100-days priorities will materially shape response.
• Emergency generation procurement. Fuel-fired emergency generation contracts historically used during Ecuadorian grid crises (sometimes at 2-3x normal prices). Any tender announcements should be tracked.
• IDB/World Bank energy financing response. Multilateral lenders have historically responded to Ecuadorian grid emergencies with accelerated transmission and distribution financing.
• Commercial litigation risk. Interrupted commercial operations in affected sectors may generate damages claims against CNEL; historical precedent limited but possible.
• Tariff adjustment pressure. Structural under-investment ultimately reflects pricing inadequacy; H2 2026 tariff review is a plausible corrective step.

Sources: Primicias, Expreso