TANESCO Restores Nationwide Power After Weekend Blackout
On Saturday, June 27, 2026, Tanzania’s national electricity grid experienced a technical failure that plunged much of the country into darkness. The outage began shortly after 1:00 a.m. local time and affected all regions connected to the Tanzania Electric Supply Company Limited (TANESCO) grid.
What Caused the Outage?
According to an official statement released by TANESCO, the disruption stemmed from a fault in a key transmission component of the national power grid. The fault triggered a cascade loss of supply, cutting electricity to residential, commercial, and industrial customers across the mainland and Zanzibar.
Technical teams were dispatched immediately to isolate the fault and begin repairs. The utility emphasized that the issue was not related to fuel shortages or generation capacity, but rather to an equipment malfunction within the high‑voltage network.
Public Reaction and Communication
As lights went out, many Tanzanians turned to social media to share updates and express frustration. TANESCO’s official Facebook page saw a surge of comments, with users asking for estimated restoration times and sharing information about alternative lighting solutions.
The utility responded by posting regular updates throughout the night, assuring followers that engineers were working continuously to restore service.
Restoration of Power
At approximately 1:00 a.m. on Sunday, June 28, 2026, TANESCO announced that power had been fully restored nationwide. In a statement signed by Irene Gowelle, Director of Communications and Customer Service, the company confirmed:
“Power supply has now been restored in all regions of the country that receive electricity from the National Grid.”
The statement also thanked customers for their patience and apologized for any inconvenience caused by the unexpected outage.
Context and Reliability of Tanzania’s Grid
TANESCO manages a transmission network that links over 10,000 km of high‑voltage lines to hydro, thermal, and renewable generation sites. While the country has made strides in expanding access—reaching approximately 75 % household electrification by 2025—occasional grid disturbances remain a challenge, particularly during periods of heavy rainfall or equipment aging.
Industry analysts note that investments in smart grid technologies and preventive maintenance are critical to reducing the frequency and duration of such incidents. TANESCO’s 2024‑2029 Strategic Plan outlines upgrades to substations and the deployment of real‑time monitoring systems aimed at improving grid resilience.
Looking Forward
Following the restoration, TANESCO has pledged to conduct a thorough root‑cause analysis and share findings with stakeholders. The utility encourages customers to report any lingering issues through its hotline or online portal and reminds the public to use electrical appliances safely as service stabilizes.
For the latest updates, users can visit TANESCO’s official website (www.tanesco.co.tz) or follow its verified social media channels.


