Russia conducts aerostat surveillance of Estonian energy sector near border

On March 7, 2026, the Russian Federation deployed aerostats equipped with reconnaissance technologies to conduct continuous surveillance of Eesti Energia's power plants and shale quarries in Estonia's border region of Ida-Viru County. This form of surveillance permits detailed intelligence collection without breaching NATO airspace, indicating an evolution in Kremlin hybrid warfare tactics. The espionage serves multiple objectives: collecting data for potential sabotage and cyberattacks, exerting psychological pressure on energy sector personnel, and compelling Estonia and European partners to increase costly security measures. The Center for Countering Disinformation notes this reflects broader Russian efforts to destabilize Europe's energy infrastructure and raise the political and economic costs for EU support to Ukraine. Since the start of the war in February 2022, over 150 hybrid attacks linked to Russia have been recorded in Europe, underscoring the ongoing threat to regional energy security.