Power supply has been restored in Tbilisi, and phased restoration…

Power supply has been restored in Tbilisi, and phased restoration has begun across Georgia, according to the company 'Georgian State Power System'.

Consensus

Electrical power was fully restored in Georgia on August 5.
The blackout occurred on August 5 at around 20:10 local time (19:10 MSK).
The Tbilisi metro was stopped during the blackout.
The Georgian Railways experienced disruptions during the blackout.
The blackout was caused by system failures related to maintenance work at the Inguri HPP.
The restoration of electricity began in Tbilisi and proceeded to the rest of the country.
The Inguri Hydroelectric Power Station is located on the border between Georgia and Abkhazia.
Georgia receives 60% of the electricity generated by the Inguri HPP, while Abkhazia receives 40%.

This was the third blackout in two weeks, with previous outages occurring on July 24 and 25 due to a failure at the Inguri HPP. — kommersant
The blackout was caused by planned tests at the Inguri HPP that required running the system in an isolated mode at non-nominal frequencies, which led to temporary nationwide power cuts. — interfax
The head of the Georgian State Energy System, Vano Zardiashvili, announced his resignation after the July blackout. — kommersant
The National Energy and Water Regulatory Commission member Giorgi Pangani confirmed that the tests were planned and involved significant technical risks. — interfax
The Ministry of Energy of Abkhazia reported that the entire territory of Abkhazia was without power due to the incident. — interfax