GridLiance High Plains Documentation

Access key documents and resources on Transmission Service and OASIS, Formula Rates, and FERC Standards of Conduct to stay compliant and informed.

Oklahoma Panhandle transmission line


Transmission Service Overview

GridLiance High Plains owns facilities under the functional control of the Southwest Power Pool (SPP) as well as facilities outside of SPP (Wholesale Distribution). The OASIS sites are used for customers to request transmission services and to designate and terminate network resources and for the transmission providers to post some of the Federal Energy Regulatory Commission (FERC) required postings, such as business practices, transfer capacity, transmission service products and prices.

 

Transmission Service and OASIS in SPP

SPP OASIS
SPP Tariff

 

Wholesale Distribution Service and OASIS

GHP OASIS
GHP Tariff (May 22, 2019)


Formula Rates Overview

GridLiance High Plains publishes rates for transmission facilities under SPP functional control and facilities outside of SPP (Wholesale Distribution).

 

Annual Formula Rate Materials (Including Annual Updates)
for Facilities in SPP by Rate Year


FERC Regulatory Documents (Other Than Annual Updates)
for Facilities in SPP


Annual Formula Rate Materials (Including Annual Updates)
for Wholesale Distribution/OATT


FERC Regulatory Documents (Other Than Annual Updates)
for Wholesale Distribution/OATT


Information Exchange