Due to a major participation in ANEEL auctions, ISA CTEEP successfully acquired lots and created eight subsidiaries for the provision of energy utility services:

IENNE

IENNE – Interligação Elétrica Norte e Nordeste

Formed by the lines Colinas (Tocantins) - Ribeiro Gonçalves (Piauí) and Ribeiro Gonçalves - São João do Piauí (Piauí), both at 500 kV, covering 720 km. 

IEMG

IEMG – Interligação Elétrica de Minas Gerais

It has the transmission line 500 kV Neves 1 - Mosque (Minas Gerais), covering 172 km and connecting the Neves 1 substation to Mesquita substation, passing through 14 municipalities of Minas Gerais between the cities of Contagem and Ipatinga. 

IE SUL

IE SUL – Interligação Elétrica Sul

The IESUL is responsible for substations 230/138 kV Scharlau and 230/69 kV Forquilhinha and the transmission lines 230 kV Nova Santa Rita-Scharlau (23 km), 230 kV Joinville North Curitiba (100 km) and 230 kV Jorge Lacerda B-Siderópolis (50 km), and the 230 kV sectioning Siderópolis-Lajeado Grande (12 km). The project covers 173 km with 750 MVA transformation capacity. 

Pinheiros

Pinheiros – Interligação Elétrica Pinheiros 

This subsidiary is formed by the substations 345/138-88 kV Piratininga II, 440/138 kV Mirassol II, 440/138 kV Getulina, 440/138 kV Araras, 345/138 kV Atibaia II and 345/88 kV Itapeti; and the transmission line (1.5 km), in addition to the transmission line 345 kV Interlagos -. Piratininga II. These enterprises are located in the State of São Paulo, covering 5 km with 2,800 MVA installed power capacity. 

IE Madeira

IE Madeira – Interligação Elétrica Madeira 

IE Madeira is responsible for the Porto Velho-Araraquara II transmission line, as well as a rectifier station in Rondônia and an inverter in São Paulo, which transform alternating current into direct current and vice-versa. The project covers 2,375 km with 6,100 MVA transformation capacity. For the 2014/2015 cycle.

Serra do Japi

Serra do Japi – Interligação Serra do Japi 

It is formed by the substations 440/138-88 kV Jandira and 440/138-88 kV Salto, located in the State of São Paulo. These enterprises cover 10.9 km with 6,100 MVA transformation capacity.

IE Garanhuns

IE Garanhuns – Interligação Elétrica Garanhuns 

It is formed by the substations Garanhuns 500/230 kV and Pau Ferro 500/230 kV; and the transmission lines Luiz Gonzaga-Garanhuns 500 kV, Garanhuns-Pau Ferro 500 kV, Garanhuns-Campina Grande III 500 kV, Garanhuns-Angelim 230 kV (and the sectioning of the lines Angelim II-Recife II 500 kV, Luiz Gonzaga-Angelim II, 500kV and Paulo Afonso-Angelim II 230 KV (2 km).

The Garanhuns infrastructure covers 832,2 kilometers with 2,100 MVA transformation capacity, in the voltage of 500 kV. 

Evrecy

Evrecy Participações Ltda.

The subsidiary is formed by transmission lines 230 kV Aimorés-Mascarenhas (circuit 1), 230 kV Governador Valadares-Conselheiro Pena and 230 kV Conselheiro Pena-Aimorés, covering 154 kilometers, and the substation 230/138 kV Mascarenhas (450 MVA). 

Paraguaçu – Interligação Elétrica Paraguaçu 

Under construction, this development is located in Bahia and Minas Gerais. The project has the transmission line 500 kV Potions III - Padre Paraíso 2 C2, with 338 km.

Aimorés – Interligação Elétrica Aimorés 

Located in Minas Gerais, the project is formed by the transmission line 500 kV Padre Paraiso 2 - Governador Valadares 6 C2, with 208 km. The construction of this venture is under way.

Itaúnas – Interligação Elétrica Itaúnas 

Composed by the transmission line 345 kV Viana 2 - João Neiva 2, with 79 km and by substation 345/138 kV João Neiva 2. The project, under construction, is located in Espírito Santo.

Tibagi – Interligação Elétrica Tibagi

Located in the states of São Paulo and Paraná, Interligação Elétrica Tibagi is a 100% ISA CTEEP company.

IE Tibagi is formed by the 230 kV Nova Porto Primavera - Rosana CD transmission line, with 2 x 18.2 km; Substation 230/138 kV Rosana (new 230 kV) - (6 + 1 Res) x 83.33 MVA in series with 2 TR phase-shifters 138/138 kV of (2 + 1 Res) x 250 MVA each. The projects are under construction.

Aguapeí – Interligação Elétrica Aguapeí

Located in São Paulo, Interligação Elétrica Aguapeí is a 100% ISA CTEEP company.

Aguapeí is formed by substation 440/138 kV Baguaçu - (6 + 1 R) x 100 MVA; Substation 440/138 kV Alta Paulista - (6 + 1 R) x 133.33 MVA; Sectioning of the 440 kV transmission line Marechal Rondon - Taquaruçu - transmission line 440 kV - 2 x 58 km; Sectioning of the transmission line 440 kV Ilha Solteira - Bauru C1 and C2 - transmission line 440 kV - 4 x 1 km. The projects are under construction.

Itaquerê – Interligação Elétrica Itaquerê

Located in São Paulo, Interligação Elétrica Itaquerê is a 100% ISA CTEEP company. The project is under construction.

IE Itaquerê is formed by Araraquara substation 2 - 3 x Synchronous Compensators 500 kV - (-180 / + 300) MVAr.

Itapura – Interligação Elétrica Itapura

Located in São Paulo, Interligação Elétrica Itapura is a 100% ISA CTEEP company.

IE Itapura is formed by substation 440 kV Bauru - Static Compensator 440 kV (-125/250) MVAr. The projecto is under construction.

Consortium ISA CTEEP and Taesa

Located in Paraná, the consortium formed by ISA CTEEP in partnership with Taesa is composed by 525 kV Guaíra - Sarandi - CD, C1 and C2 transmission line, with 2 x 266,3 km; 525 kV transmission line Foz do Iguaçu - Guaíra - CD, C1 and C2, with 2 x 173 km; 525 kV transmission line Londrina - Sarandi, CD, C1 and C2, with 75.5 km; 230 kV Sarandi - Paranavaí Norte transmission line, CD, with 85 km; Substation 525/230 kV Guaíra (new courtyard 525 kV) - (6 + 1 Res) x 224 MVA; Substation 525/230/138 kV Sarandi (new courtyard 525 kV) - 525/230 kV (6 + 1 Res) x 224 MVA; 230 / 138kV Paranavaí Norte substation - (6 + 1 Res) x 50 MVA. The projects are under construction.

Updated on August 17, 2017.