Equity

Is NRG ENERGY, INC. (NRG) undervalued?

$109.30−3.67% todayNYSE · USD · last traded 2026-09-14 17:11 UTC

NRG ENERGY, INC. trades on a P/E of 27.26 against earnings growth of -8.1% a year over the last 3 years, giving a PEG ratio of —.

Earnings figures are measured from NRG’s filed annual accounts, not estimated. PEG compares price to earnings growth alone — it says nothing about debt, cash generation, or what an acquirer would pay. Read it alongside the figures below rather than on its own.

PEG

Not available — requires positive earnings and a growth estimate.

P/E ratio27.26
earnings growth (3-year CAGR)-8.1%
PEG ratio
Measured from NRG's filed annual accounts. Trailing, not forecast.
01

What it would cost to buy NRG

Enterprise value is what it would cost to take the whole company: every share at today’s price, plus the debt an acquirer assumes, less the cash they receive. For NRG ENERGY, INC. that is $46.25B.

Every term below is a line item from a filed statement. The numbers beside each one open the filing it came from — balance-sheet figures arrive already scaled, so there is no “in thousands” to catch you out.

210.2M shares · 10-Q cover page

market capitalisation$22.98B
total debt$23.44B
cash & equivalents$162.0M
enterprise value$46.25B
Balance-sheet terms as reported to 2026-06-30.
Enterprise-value multiples for NRG ENERGY, INC.
MeasureValue
Diluted earnings per shareto 2025-12-31$4.01
P/E ratioto 2025-12-3127.3
Earnings growth (3-year CAGR)to 2025-12-31−8.1%
PEG ratio
Market capitalisationto 2026-07-31$22.98B
Total debtto 2026-06-30$23.44B
Net debtto 2026-06-30$23.27B
Enterprise valueto 2026-06-30$46.25B
EBITDAto 2025-12-31$3.25B
Free cash flowto 2025-12-31$766.0M
EV / EBITDAto 2025-12-3114.2×
EV / Salesto 2025-12-311.5×
Free cash flow yieldto 2025-12-313.3%
Net debt / EBITDAto 2025-12-317.2×
Return on capital employedto 2025-12-316.5%

Earnings growth is measured across NRG ENERGY, INC.’s own filed annual accounts. PEG conventionally uses forecast growth from analyst estimates; filings contain only history, so this is trailing growth and will read differently from a PEG quoted elsewhere.

Not shown, and why

PEG ratio
earnings shrank over the period measured, so dividing the P/E by growth has no meaning.
02

Against the sector

NRG against 14 listed companies sharing its classification — Electric Services. A multiple means little on its own; the column that matters is the gap. See what electric utilities trade on.

NRG compared with the median of 14 sector peers
MeasureNRGSector medianDifference
EV / EBITDA*14.2×13.9×+0.4×
EV / Sales*1.5×5.2×3.6×
Net debt / EBITDA7.2×5.5×+1.7×
Return on capital employed6.5%6.1%+0.4%
Operating margin6.1%22.9%16.8%
Free cash flow margin2.5%−5.2%+7.7%
Compared against

AEP, CEG, CNP, D, DTE, EIX, ES, ETR, FE, NEE, PNW, PPL, SO, VST.

Medians are taken across peers where the measure could be computed, so the sample differs by row. Green marks the direction conventionally read as cheaper or stronger — it is a direction, not a recommendation. * Price-based multiples move with the market; peer figures are a snapshot taken 2026-09-09. The remaining rows come from filed statements and hold until the next reporting season.

03

Market ratios

Price-based ratios from market data. Anything drawn from a filed statement is in the enterprise-value section above, with its source.

Valuation and financial-health metrics for NRG ENERGY, INC. (NRG)
MetricValue
Price$109.30
PEGY ratio
Dividend yield1.74%
Price / book
Price / sales
Return on equity26.8%
Profit margin
Operating margin
Debt / equity479.01
Current ratio
Beta1.14
52-week range$107.42 – $189.96

Not reported for NRG: pegy ratio, price / book, price / sales, profit margin, operating margin, current ratio. A dash means the figure was not available from the source, not that it is zero.

04

Compare and chart

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05

About NRG’s valuation

What is the PEG ratio for NRG ENERGY, INC. (NRG)?
NRG ENERGY, INC. has a PEG ratio of —, from a P/E of 27.26 and earnings growth of -8.1% a year measured across 3 years of filed accounts. Note that PEG is conventionally quoted against forecast growth; this uses reported history, so it will differ from a PEG you see elsewhere.
Is NRG undervalued right now?
That depends on the measure. On PEG, NRG reads —. The PEG ratio compares price to earnings growth alone — it ignores debt, cash generation and asset backing, so it is a starting point rather than a conclusion. The enterprise-value measures above account for debt and cash; they often tell a different story.
What is the PEGY ratio for NRG?
The PEGY ratio for NRG ENERGY, INC. is —. PEGY adds the dividend yield of 1.74% to the growth rate in the denominator, which gives a fairer reading of companies returning cash as income rather than growth.
Where do these NRG figures come from?
Market price and capitalisation come from live market data; earnings, growth and dividend figures come from NRG ENERGY, INC.'s published financial statements. Every derived ratio on this page shows the arithmetic that produced it.

This page describes published financial data. It is not investment advice and makes no recommendation to buy or sell NRG.