Invenergy announced that it will supplement the HVDC Grain Belt Express transmission line to deliver 25% more power than originally planned.

SPP set a new mark for peak demand July 11, wiping out a record that was less than a week old when the system met load of 51.4 GW.

SPP has set a new record by meeting 51.1 GW of demand amid extreme heat and weather advisories in its Great Plains footprint.

SPP has issued another conservative operations advisory for its entire 14-state Eastern Interconnection footprint, effective Wednesday through Friday evening.

FERC has approved SPP tariff revisions that establish an annual process for developing a single set of uniform zonal planning criteria.

MISO, SPP revealed details of their plan to abandon the maligned affected system study process in favor of regular interregional transmission planning studies.

The first meeting of the Mid-America Regulatory Conference in two years focused on transmission needs that are necessary for a fast-changing energy landscape.

SPP issued a resource advisory for its entire 14-state Eastern Interconnection footprint, effective June 21 through June 24 because of high temperatures.

SPP staff added details to a joint proposal with MISO for replacing their affected systems study process with interregional transmission analyses.

SPP is continuing its delicate dance with Western utilities with a charm offensive that includes a first-hand look at the RTO’s sausage-making process.