Generation of electricity and green hydrogen
Construction, operation and maintenance of generating plants, and purchase/sale of energy on wholesale markets.
Value Chain
Transmission and distribution of electric power
Construction, operation and maintenance of electrical lines, substations, transformer centres and other infrastructure, to bring electrical power from production centres to the end user.
Retail sale of electricity and gas
Supply to end users of electricity, gas, products and complementary services.
Electricity production1
55%
Renewable
20%
Nuclear
20%
Combined cycle
production
5%
Cogeneration
162.842
GWh
(1) % of 2020 net output
Electric networks2
4.400
High- to medium-voltage transformer substation
1,5 million
Medium- to low-voltage distribution transformers
Overhead lines:
17.871km
of transmission lines
994.971km
of distribution lines
Underground lines:
1.234km
of transmission lines
192.707km
of distribution lines
(2) At 31 December 2020
Consumers
42%
Brazil
3%
IEI
32%
Spain
14%
United Kingdom
10%
United States
34,4
million