[2][3][4] The first electricity production plants in Azerbaijan were established at Bayil avenue ("Bakinski dok") in 1895 and in Bibiheybat-Bayil cape which was put into use in 1901,[5] as well as the Belqorod power station in Beliy Qorod in 1902.
[5] Baku power network operated under “Elektrotok” department of Azneft until it was transferred to newly established "Azenerji" Azerbaijan Region Energy Office in 1935.
[2] Baku Power Network operated under different public organizations and it became separate state-owned company – “Bakielektrikshebeke JSC” according to the Presidential decree dated on 14 June 2000.
[5] It is called “Azerishig JSC” based on the Presidential Decree dated 10.02.2015[8] and is responsible for electrical power provision to the subscribers.
[10][11] Moreover, a number of small power stations have been set up by other companies in the country by utilizing water, wind, solar, domestic wastes.
As the result of the execution of gasification program, natural gas supply level in 5 cities (Sumgait, Mingachevir, Ganja, Naftalan and Shirvan) and 6 rayons (Absheron, Bilasuvar, Hajiqabul, Fuzuli, Balakan and Qazakh) increased to 100%.
[11] Potable water supply and sanitation services in Azerbaijan are centrally managed by Azersu JSC.
[17][11][4] The first post office in the territory of Azerbaijan was opened in Ganja in 1818, and the network extended to Baku, Nakhchivan, Shusha, Shamakhi and Guba until 1830.
[18] In addition to Azerpost, there are more than 60 private postal operators providing fast and courier mail services to entities and individuals.
One of them is Aztelekom established in 1992 as a national communication operator in order to improve telecommunication services in the country.