Duke Energy

IEEFA Research

IEEFA U.S.: Duke Energy IRPs for Carolina utilities overlook opportunities for savings from renewables

IEEFA U.S.: Duke Energy IRPs for Carolina utilities overlook opportunities for savings from renewables

Integrated resource plans for Duke give short shrift to offshore wind, solar and battery storage

April 5, 2021 (IEEFA) ⎼ A pair of long-range plans for Carolina utilities owned by Duke Energy are all but ignoring potential savings from renewable energy sources over the next decade, according to a report by the Institute for Energy Economics and Financial Analysis. The IEEFA report is the fourth in a series examining the […]

IEEFA U.S.: Energy transition to renewables likely to accelerate over next two to three years

IEEFA U.S.: Energy transition to renewables likely to accelerate over next two to three years

Coal, gas set to become biggest losers as renewable generation climbs quickly

March 31, 2021 (IEEFA) — The speed and scope of the energy transition to renewables will pick up pace over the next two to three years, according to the Institute for Energy Economics and Financial Analysis’ U.S. Power Sector Outlook 2021. Solar and battery storage adoption is enjoying almost exponential growth, and wind and solar […]

IEEFA U.S.: Financial rationale for Mountain Valley Pipeline has evaporated in changing market

IEEFA U.S.: Financial rationale for Mountain Valley Pipeline has evaporated in changing market

Falling demand, legal and regulatory challenges spell financial peril for pipeline project

March 8, 2021 (IEEFA) — A 303-mile pipeline that would move natural gas from the Appalachian Basin to markets in the eastern and southern U.S. is in financial jeopardy because of reduced demand projections and legal challenges, according to a report released today by the Institute for Energy Economics and Financial Analysis (IEEFA). The Mountain […]

IEEFA: Duke Energy’s North Carolina gas IRPs fail to consider battery storage as viable option

IEEFA: Duke Energy’s North Carolina gas IRPs fail to consider battery storage as viable option

Utility claims natural gas is cheaper than battery storage

February 18, 2021 (IEEFA) — Duke Energy’s plans for its two utilities in the Carolinas rely on outdated cost estimates to avoid expanding battery storage capacity, according to a new study by the Institute for Energy Economics and Financial Analysis (IEEFA). In their latest integrated resource plans (IRPs), Duke Energy Progress and Duke Energy Carolinas […]

IEEFA U.S.: Duke IRPs overstate likely future demand growth

IEEFA U.S.: Duke IRPs overstate likely future demand growth

More realistic estimates would undercut case for new gas-fired generation

February 3, 2021 (IEEFA) — Forecasts used by Duke Energy that predict steadily rising demand for electricity in the Carolinas ignore the company’s sales history in the past 15 years, which have been essentially flat, and should be challenged by state regulators, according to a new study by the Institute for Energy Economics and Financial […]

IEEFA U.S.: Duke IRPs focus on new gas-fired generation, creating serious stranded-asset risks

IEEFA U.S.: Duke IRPs focus on new gas-fired generation, creating serious stranded-asset risks

Combined-cycle plants would be forced to retire well before end of operating life to meet 2050 net-zero goal

January 26, 2021 (IEEFA) — A pair of integrated resource plans (IRPs) for Duke Energy’s two North Carolina utilities rely heavily on the construction of gas-fired power plants that would have to be retired long before the end of their life span, according to a new report by the Institute for Energy Economics and Financial […]

IEEFA U.S.: FERC gives blank check approval to pipeline builders, while investors and consumers pick up costs

IEEFA U.S.: FERC gives blank check approval to pipeline builders, while investors and consumers pick up costs

Commission’s 21-year-old pipeline policy puts contracts ahead of utility customers

December 17, 2020 (IEEFA) — The federal agency responsible for approving interstate gas pipeline projects is basing its decisions on contracts rather than on today’s consumer energy needs or the public interest, according to a report released today by the Institute for Energy Economics and Financial Analysis. The report—FERC’s Failure to Analyze Energy Market Forces—details […]

IEEFA U.S.: Investors in gas-fired projects in largest regional power system face substantial risks

IEEFA U.S.: Investors in gas-fired projects in largest regional power system face substantial risks

Eleven PJM projects under development may fail to prove financially viable

October 5, 2020 (IEEFA) — The landscape for developers of natural gas-fired power plants in the nation’s largest regional power system has shifted dramatically over the last decade, according to a joint study by the Applied Economics Clinic and the Institute for Energy Economics and Financial Analysis. The Pennsylvania-New Jersey-Maryland (PJM) system coordinates the flow […]

IEEFA U.S.: As oil and gas wane, Texas wind industry ascends

IEEFA U.S.: As oil and gas wane, Texas wind industry ascends

Case study Nolan County: Strengthening jobs, economic development, tax base

August 10, 2020 (IEEFA) — The wind industry in West Texas continues to create jobs, increase local tax revenues and drive economic development in an area known historically for its boom-and-bust oil cycles, concludes a report published today by the Institute for Energy Economics and Financial Analysis (IEEFA).  The report—As Oil and Gas Wane, Texas […]

IEEFA report: The vanishing case for the Atlantic Coast Pipeline

IEEFA report: The vanishing case for the Atlantic Coast Pipeline

Declining demand and more affordable renewables raise new questions about viability

January 29, 2019 (IEEFA) — Diminishing consumer demand coupled with more affordable renewables are casting doubt on the overall feasibility and potential profitability of the Atlantic Coast Pipeline, according to a report released today by the Institute for Energy Economics and Financial Analysis (IEEFA) and Oil Change International. The report, The Vanishing Need for the Atlantic […]

More News and Commentary

IEEFA U.S.: Surge of coal-fired generation retirements looking like a reverse S-curve
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IEEFA U.S.: Surge of coal-fired generation retirements looking like a reverse S-curve

Consumers Energy, TVA among utilities planning full exits from coal

There is an inverse S-curve developing in the U.S. coal generation sector, with announced plant retirements expanding rapidly as utilities and independent power producers adjust to the influx of cleaner and cheaper wind, solar and battery storage resources disrupting the electric system. IEEFA data shows that just since March, the generating capacity of coal plants […]

IEEFA U.S.: South Carolina regulators reject Duke’s gas-dependent integrated resource plan

IEEFA U.S.: South Carolina regulators reject Duke’s gas-dependent integrated resource plan

Regulators in North Carolina should follow suit, require changes to Duke Energy’s inadequate IRP

July 8, 2021 (IEEFA) ⎼ South Carolina regulators last month rejected Duke Energy’s integrated resource plan (IRP), directing the utility to resubmit its proposal after incorporating nearly a dozen significant changes and new analyses. Many of these changes had been proposed by a broad group of participants in the IRP process and were recommended in […]

South Carolina regulators reject Duke Energy IRP, boosting renewables

E&E News ($): South Carolina energy regulators rejected Duke Energy Corp.’s long-term electricity plan Thursday, an unusual rebuke that could push one of the biggest U.S. utility companies to add more solar and battery storage to the grid. Meanwhile, some North Carolina Democratic lawmakers, clean energy advocates and consumer groups pushed back against a wide-ranging […]

June 22, 2021 Read More →

North Carolina GOP legislation offers something to offend everyone

Canary Media: After months of closed-door negotiations, Republican lawmakers in North Carolina have unveiled a long-awaited clean energy bill that would set utility Duke Energy on a path to close its coal-fired power plants by 2030 and expand the scope of solar development in the state. But that’s about all in the bill that’s pleasing […]

June 21, 2021 Read More →

Carbon-burning power plants launching despite net-zero promises

Bloomberg ($): The red-and-white flue stacks of the James M. Barry Electric Generating Station tower over the Mobile River, belching steam into the Alabama sky. The sprawling complex of coal and natural gas plants already spews more than 7.5 million metric tons of carbon dioxide-equivalent every year. Now it’s about to get even bigger, with […]

May 24, 2021 Read More →

Batteries threaten to become major threat to natural gas

Wall Street Journal ($): Vistra Corp. owns 36 natural-gas power plants, one of America’s largest fleets. It doesn’t plan to buy or build any more. Instead, Vistra intends to invest more than $1 billion in solar farms and battery storage units in Texas and California as it tries to transform its business to survive in […]

May 17, 2021 Read More →

IEEFA webinar: Duke Energy’s Carolina integrated resource plans (IRPs) Thursday, April 15

How Duke Energy's Carolina IRPs over-rely on gas while overlooking renewable energy options

Don’t miss IEEFA’s webinar on Duke Energy’s Carolina integrated resource plans (IRPs) and how the company over-relies on gas-fired generation while underrating renewables-based options ⎼ a recurring oversight in utility planning efforts in the U.S. Log in Thursday, April 15th at 1:00 p.m. EDT for an accessible deep-dive with IEEFA energy analyst Dennis Wamsted who will explore current plans and […]

April 14, 2021 Read More →
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IEEFA webinar: What’s wrong with Duke Energy’s plans for new gas-fired power plants in the Carolinas?  

Lessons may apply to other parts of the U.S. planning new gas investments and sidestepping renewables

Discover how Duke Energy’s Carolina integrated resource plans (IRPs) over-rely on gas-fired generation while largely ignoring renewables-based options ⎼ a recurring oversight in utility planning efforts in the U.S. Log in Thursday, April 15th at 1:00 p.m. EDT for an accessible deep-dive with IEEFA energy analyst Dennis Wamsted who will explore current plans and discuss alternatives. Drawing on an in-depth […]

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IEEFA webinar: U.S. transition to renewables is likely to accelerate over next two to three years

IEEFA analysts explain why solar, wind and battery storage are poised to push fossil generation off the grid

April 2, 2021 (IEEFA) ⎼ The Institute for Energy Economics and Financial Analysis will host a webinar on Thursday, April 8, 2021 to present findings from its recently released U.S. Power Sector Outlook 2021. Authors Dennis Wamsted, Seth Feaster, and David Schlissel will show how lower-cost wind and solar, coupled with battery storage, is rapidly […]

IEEFA U.S.: Duke Energy IRPs for Carolina utilities overlook opportunities for savings from renewables
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IEEFA U.S.: Duke Energy IRPs for Carolina utilities overlook opportunities for savings from renewables

Integrated resource plans for Duke give short shrift to offshore wind, solar and battery storage

April 5, 2021 (IEEFA) ⎼ A pair of long-range plans for Carolina utilities owned by Duke Energy are all but ignoring potential savings from renewable energy sources over the next decade, according to a report by the Institute for Energy Economics and Financial Analysis. The IEEFA report is the fourth in a series examining the […]