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 centre 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.
Named Projects Already Underway
| Customer | Location | Details |
|---|---|---|
| Muskogee and Payne Counties, OK | $9 billion planned investment in data centre complexes, ramping to approximately 1,000 MW by 2031 and 1,200 MW by 2036 |
Figures compiled from the Edison Electric Institute's "Large Load Projects and Tariffs" (September 2026) member-company summary and public regulatory filings. Confirm current tariff terms directly with Oklahoma Gas & Electric (OGE) / Public Service Company of Oklahoma (AEP) and the relevant state public utility commission before relying on any figure for a capital decision.
Weighing Oklahoma against another state or a Canadian province with a different rate and interconnection picture entirely? Run both sides of the comparison through our licensed AI data centre cost configurator — it applies each jurisdiction's actual power rate, tax treatment and large-load tariff rules to the same seven build configurations.
Model This State on Your Own Site
Every figure above comes from the same power-cost and tariff dataset behind the SCR AI Build Configurator — a licensed, embeddable widget that models seven data centre build configurations against all nine Canadian provinces and all 50 US states plus DC, returning capital expenditure by line item, energy cost, revenue by commercial structure, EBITDA and payback.
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