Extra-large new load, addressed via a new dedicated rate class is addressed through OG&E's proposed Extra Large Power and Light (XLPL) Tariff, filed June 17, 2026, and, for AEP's Oklahoma subsidiary, new special terms and conditions in its existing Large Power and Light (Large Load Tariff) for new large-load customers.
Also active in Oklahoma: OG&E is serving a $9 billion planned Google investment across data center complexes in Muskogee and Payne Counties, ramping to roughly 1,000 MW by 2031 and 1,200 MW by 2036 — with OG&E estimating residential customer benefits of about $6.84/month once the load is fully ramped.
