Capital Program Planning for Oklahoma Electric Utilities

by | Oct 21, 2026

Oklahoma · Electric & Grid Utilities

One winter storm left Oklahoma's two big utilities with roughly $1.4 billion in ratepayer bonds. Your capital plan is where the next shock lands.

Oklahoma runs on cheap wind and gas, but Winter Storm Uri, hyperscale data centers, and a new build of gas and transmission are all pulling on the same balance sheet at once. Each of those forces reshuffles the projects on your list. Invizion helps electric utilities re-sequence a capital portfolio in a click — and defend every decision to the Corporation Commission or a co-op board.

See how Invizion helps utilities See what Oklahoma utilities face Download the briefing (PDF)
The bottom line: Oklahoma runs cheap on wind and gas, but one 2021 storm left OG&E and PSO recovering roughly $1.4 billion in ratepayer bonds while data centers, new gas, and transmission pile onto the same balance sheet. The utilities that stay ahead will be the ones whose capital plans can re-sequence as fast as the pressures change.
>40%1
Share of Oklahoma's in-state electricity generated by wind by 2021 — among the highest of any state.
$762M2
Ratepayer-backed bonds issued for OG&E's Winter Storm Uri fuel costs (July 2022).
$687M3
Ratepayer-backed bonds issued for PSO's Winter Storm Uri fuel costs (September 2022).
913,000+4
OG&E customers across central and western Oklahoma and western Arkansas.

The Oklahoma Landscape

Four forces are moving your project list at once

None of these is theoretical, and none waits for your next budget cycle. Together they mean the capital plan you approved last year may already be the wrong plan.

Demand — Load Growth

Hyperscale load is arriving fast

OG&E has signed electric-service agreements to power three new Google data centers in Muskogee and Stillwater, with Google covering 100% of connection and contracted costs and helping connect new solar to the grid.54

To serve that growth, OG&E is building new generation and transmission — every large new customer is a capacity commitment competing for the same capital.5

Reliability — Storms & the RTO

One cold snap, billions in fuel costs

Oklahoma sits inside the Southwest Power Pool, which coordinates roughly 60,000 miles of high-voltage transmission across 17 states.6 When Winter Storm Uri hit in February 2021, fuel and purchased-power costs exploded — recovered since through securitization: $762 million for OG&E and $687 million for PSO.23

Oklahoma Natural Gas alone securitized $1.4 billion, charging customers up to $7.80 a month for 25 years — a reminder that a single reliability event can outlast a decade of capital plans.7

Generation — Wind & New Gas

A wind leader now adding firm capacity

Oklahoma is one of the nation's top wind states — roughly 10,500 MW installed by 2021 and more than 40% of in-state generation from wind, alongside natural gas at about 53.5% of generation in 2019; the 998 MW Traverse Wind Energy Center is one of the largest wind farms in the country.189

Now firm capacity is being added: OG&E is building the Horseshoe Lake gas units 13–14 on top of a roughly 6,100 MW fossil fleet, and Western Farmers Electric is adding 400 MW at its Hugo plant.5410

Capital — Grid & Transmission

Build wires and plants at the same time

Growth needs both generation and delivery: OG&E is constructing the Ft. Smith–Muskogee transmission line while SPP expands its regional network across the 17-state footprint.56

In 2025 the Oklahoma Legislature authorized utilities to recover construction-work-in-progress (CWIP) for new natural gas plants — changing how, and how fast, those dollars land in rates.11 New obligations don't replace the backlog; they stack on top of it, and something on the list has to move.

Who Runs Oklahoma's Grid

Two big investor-owned utilities, a state authority, and a deep co-op footprint

Oklahoma's grid is carried by OCC-regulated investor-owned utilities, the state-owned Grand River Dam Authority, and generation-and-transmission and distribution cooperatives. The pressures are shared; the accountability path differs.

Investor-owned utilities

Rates & capital recovery regulated by the OCC

Oklahoma Gas & Electric (OG&E) 913,000+ customers · ~6,100 MW · central/western OK & western AR4
Public Service Company of Oklahoma (PSO) ~540,000 customers · eastern & SW OK · an AEP company1213
Empire District / Liberty ~215,000 customers across MO, KS, OK & AR14

OG&E is funding new gas (Horseshoe Lake units 13–14) and the Ft. Smith–Muskogee transmission line to serve fast-arriving load.5

Public power & cooperatives

Governed by a state board & co-op members, not OCC rates

Grand River Dam Authority (GRDA) State authority · 24 NE Oklahoma counties · gas, hydro & wind15
Western Farmers Electric Cooperative G&T for member co-ops in OK & NM · +400 MW at Hugo10
Distribution co-ops & municipals Rural co-ops and city systems statewide

GRDA is a self-funding state agency created in 1935; its capital decisions run through a state board rather than the Corporation Commission.15

Rate-Setting & Oversight

Every capital dollar has to be defensible

Whether you answer to the Corporation Commission or a co-op board, the question is the same: why this project, why now, why at this cost?

  • Oklahoma Corporation Commission (OCC) regulates rates, capital recovery, and resource planning for the investor-owned utilities — with active dockets for OG&E (PUD 2026-000067) and PSO (PUD 2025-000075).11
  • 2025 CWIP law — the Oklahoma Legislature authorized utilities to seek construction-work-in-progress recovery for new natural gas power plants, letting some cases collect on plants before they enter service.11
  • Winter Storm Uri securitization — the OCC approved ratepayer-backed bonds (through the Oklahoma Development Finance Authority) to recover extraordinary 2021 fuel costs: $762M for OG&E and $687M for PSO.23
  • Public power & co-ops set their own rates — GRDA answers to a state board and Western Farmers Electric to its member cooperatives, making capital decisions outside the OCC rate case.1510

Money In Motion

The dollars are moving — can your plan absorb them?

Oklahoma is financing storm recovery, new gas, and clean build-out all at once. The constraint is sequencing: which obligations land when, and how they interact on the balance sheet.

  • $762M in ratepayer-backed bonds for OG&E (July 2022) — recovering Winter Storm Uri fuel costs, with roughly $750M in net proceeds to the utility.2
  • $687M in ratepayer-backed bonds for PSO (September 2022) — reimbursing extraordinary February 2021 fuel and purchased-power costs.3
  • $1.4B securitization at Oklahoma Natural Gas — a 25-year, up-to-$7.80/month charge on customers that shows the scale a single storm can put on the balance sheet.7
  • CWIP recovery for new gas plants (2025) — the state now lets utilities finance gas-plant construction through rates, reshaping the cash-flow profile of the build.11
  • Federal clean-energy incentives — IRA direct-pay tax credits and USDA rural programs put utility-scale wind, solar, and storage in reach for public power and cooperatives such as GRDA and Western Farmers Electric.1510

Where Invizion Fits

Turn Oklahoma's grid build-out into a defensible capital plan

Invizion is scenario-based capital portfolio optimization built for utilities. When load forecasts jump, a grant lands, or a retirement date moves, you don't re-plan by hand for weeks — you model it and decide with a record to stand behind.

1

Model the “what-if” before it's forced on you

A data-center interconnect, a delayed transmission line, a moved retirement date — build the scenario and see the impact on the whole portfolio, side by side with today's plan.

2

Re-sequence 500 projects in a click

When priorities move, Invizion re-orders the portfolio automatically — accelerating, stretching, or deferring projects against the constraints you set, not weeks of spreadsheet surgery.

3

Give regulators or your board a defensible record

Every prioritization and trade-off is captured. When you're asked “why this project, why now,” the answer is documented — not reconstructed after the fact.

Oklahoma's Grid, In Brief

Questions Oklahoma utility leaders are asking

Short, sourced answers — the same facts we dig into with utilities looking at their capital programs.

How much of Oklahoma's electricity comes from wind?
Oklahoma is one of the country's top wind states — roughly 10,500 MW installed by 2021 and more than 40% of in-state electricity from wind, alongside natural gas (about 53.5% of generation in 2019).18
What did Winter Storm Uri cost Oklahoma ratepayers?
The 2021 storm's extraordinary fuel costs were financed with ratepayer-backed bonds: $762 million for OG&E and $687 million for PSO, plus $1.4 billion at Oklahoma Natural Gas — all recovered from customers over decades.237
Is data-center load really coming to Oklahoma?
Yes. OG&E has signed agreements to power three new Google data centers in Muskogee and Stillwater, with Google covering 100% of connection costs, and is adding gas generation and transmission to serve the growth.5
Who sets my utility's rates in Oklahoma?
The Oklahoma Corporation Commission regulates rates and resource plans for investor-owned utilities such as OG&E and PSO. GRDA answers to a state board and cooperatives to their members, setting rates outside the OCC.1115
What new generation and transmission is being built?
OG&E is building the Horseshoe Lake gas units 13–14 and the Ft. Smith–Muskogee transmission line, Western Farmers Electric is adding 400 MW at its Hugo plant, and SPP is expanding across its 17-state grid.5106
How does Invizion help Oklahoma electric utilities plan capital?
Invizion is scenario-based capital portfolio optimization for utilities. It lets you model how a data-center load surge, a storm-recovery obligation, a CWIP gas plant, or a new transmission line reshuffles your whole project list, re-sequence the portfolio automatically, and keep a defensible record of every decision for the OCC or your board.

Go Deeper

Related from Invizion

Demo

See Invizion in Action

A 3-minute look at scenario optimization on a 500-project portfolio.

Learn more → Insights

Capital planning insights

Why rating agencies score your CIP, and what a defensible capital plan looks like.

Read the insights → By State

Electric Utilities briefings

What utilities face state by state — supply, funding, compliance, and rate scrutiny.

Browse the briefings →

About the Author

GB

Guy Barlow

President, Invizion

Guy Barlow leads Invizion, a capital lifecycle management platform for water and wastewater utilities. He has spent two decades at the intersection of utility capital programs, funding, and analytics, helping utilities make faster, more defensible capital decisions.

Explore Further

See how utilities keep capital plans defensible

Invizion helps utilities model, optimize, and defend their capital programs. Explore how it works, or read our latest thinking on capital planning across the utility sector.

Explore Invizion

This briefing was last reviewed September 2026.

Sources

  1. Wikipedia — Wind power in Oklahoma: ~10,500 MW installed (2021) and more than 40% of in-state generation from wind. en.wikipedia.org
  2. OGE Energy Corp. Form 8-K (SEC), July 20, 2022 — Oklahoma Development Finance Authority issued ~$762M in ratepayer-backed bonds for OG&E's Winter Storm Uri fuel costs (~$750M net proceeds). www.sec.gov
  3. American Electric Power Form 8-K (SEC), May 26, 2023 — PSO received $687M from the ODFA securitization bonds (September 2022) for February 2021 winter-storm fuel costs. www.sec.gov
  4. Wikipedia — OGE Energy / OG&E: 913,000+ customers, ~6,100 MW fossil fleet, 30,000 sq mi, 2026 Google data-center agreement connecting new solar. en.wikipedia.org
  5. StockTitan — OG&E electric-service agreements to power three Google data centers in Muskogee and Stillwater (Google covers 100% of connection costs); proceeds fund Horseshoe Lake units 13–14 and the Ft. Smith–Muskogee transmission line, 2025. www.stocktitan.net
  6. Wikipedia — Southwest Power Pool: coordinates ~60,000 miles of high-voltage transmission across 17 states, including all of Oklahoma. en.wikipedia.org
  7. Wikipedia — 2021 Texas power crisis: Oklahoma Natural Gas securitizing $1.4 billion, charging customers up to $7.80/month for 25 years. en.wikipedia.org
  8. Wikipedia — Oklahoma: 2019 electricity mix of ~53.5% natural gas and 34.6% wind. en.wikipedia.org
  9. Wikipedia — Wind power in the United States: Oklahoma among the top wind states; 998 MW Traverse Wind Energy Center one of the largest U.S. wind farms. en.wikipedia.org
  10. Western Farmers Electric Cooperative — generation-and-transmission co-op headquartered in Anadarko (est. 1941) serving member co-ops in Oklahoma and New Mexico; 400 MW capacity addition at its Hugo plant. www.wfec.com
  11. Oklahoma Corporation Commission — regulates investor-owned electric utilities; active rate cases OG&E (PUD 2026-000067), PSO (PUD 2025-000075), Empire District (PUD 2026-000048); 2025 Legislature authorized CWIP recovery for natural gas power plants. oklahoma.gov
  12. Wikipedia — Public Service Company of Oklahoma: ~540,000 customers in eastern and southwestern Oklahoma. en.wikipedia.org
  13. PSO (psoklahoma.com) — an American Electric Power company (AEP spans 11 states), headquartered in Tulsa with more than 1,900 employees. www.psoklahoma.com
  14. Wikipedia — Empire District Electric Company (Liberty/Algonquin): ~215,000 customers across Missouri, Kansas, Oklahoma, and Arkansas. en.wikipedia.org
  15. Wikipedia — Grand River Dam Authority: self-funding Oklahoma state agency (est. 1935) serving 24 northeastern counties with natural gas, hydro, and wind generation. en.wikipedia.org