EEI > Issues & Policy > Transmission
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Transmission
The transmission network includes the lines that link the generators of electricity to the distributors, transporting electricity to local electric companies, which in turn deliver it to customers. 
 
The U.S. electric transmission grid consists of approximately 200,000 miles of high-voltage lines (144 Kilovolts and greater). Redundancy is built into the transmission system, creating a network, to provide electric companies with alternative power paths in emergencies and to efficiently access electricity generation—even from other power suppliers—to provide customer service. Reliable electric service depends on a strong transmission system.

Investing in Transmission

EEI members have a long history of making cost-effective investments in needed and beneficial transmission infrastructure. These investments ensure the reliable electric service that homes and businesses expect, while also supporting competitive wholesale electricity markets and a greener generation portfolio. This dedication to build a transmission grid to support 21st century demands provides numerous consumer benefits, while on average remaining the smallest portion of an electric customer’s bill.

In 2015, investor-owned electric companies spent $20.1 billion on transmission investment, compared to $19.5 billion in 2014 (in nominal dollars), and were projected to spend $21.5 billion in 2016.
 
Investor-owned electric companies are planning to invest approximately $84 billion on transmission construction between 2016 and 2019 (in nominal dollars).
 

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