The projects are expected to be constructed over the next six years, with construction taking place in all eight states, reported renewgridmag.com.
According to SPP, the approved suite of projects are a result of its Integrated Transmission Planning (ITP) process, which is a repetitive three-year cycle that includes 20 year, 10 year and near-term assessments.
It targets transmission-expansion solutions to meet reliability, policy and economic needs within the region.
SPP president and CEO Nick Brown said the firm has continued the usage of the ITP process in its three year work, which reflects acollaborative and member-driven focus.
"Our transparent approach includes state regulators who serve on the SPP Regional State Committee (RSC)," Brown added.
"The RSC has substantive authority to direct policy changes on behalf of ratepayers and influence important regulatory issues such as how costs of new transmission are allocated in the SPP region."
SPP from the near-term plan is expecting to diminish more than 220 reliability issues that are identified during the assessment in the project portfolio.
