WallStSmart

NRG Energy Inc. (NRG)vsOPAL Fuels Inc (OPAL)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

NRG Energy Inc. generates 8701% more annual revenue ($30.71B vs $348.98M). OPAL leads profitability with a 4.2% profit margin vs 2.8%. OPAL trades at a lower P/E of 14.7x. NRG earns a higher WallStSmart Score of 54/100 (C-).

NRG

Buy

54

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 6.7Quality: 5.3
Piotroski: 5/9Altman Z: 1.70

OPAL

Hold

38

out of 100

Grade: F

Growth: 6.0Profit: 4.5Value: 7.7Quality: 3.0
Piotroski: 2/9Altman Z: 0.89
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NRGUndervalued (+59.0%)

Margin of Safety

+59.0%

Fair Value

$391.91

Current Price

$149.01

$242.90 discount

UndervaluedFair: $391.91Overvalued
OPALUndervalued (+88.1%)

Margin of Safety

+88.1%

Fair Value

$19.86

Current Price

$2.16

$17.70 discount

UndervaluedFair: $19.86Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NRG1 strengths · Avg: 10.0/10
Return on EquityProfitability
41.5%10/10

Every $100 of equity generates 42 in profit

OPAL2 strengths · Avg: 8.0/10
P/E RatioValuation
14.7x8/10

Attractively priced relative to earnings

Revenue GrowthGrowth
24.7%8/10

Revenue surging 24.7% year-over-year

Areas to Watch

NRG4 concerns · Avg: 3.5/10
P/E RatioValuation
37.2x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.704/10

Distress zone — elevated risk

Profit MarginProfitability
2.8%3/10

2.8% margin — thin

Operating MarginProfitability
4.3%3/10

Operating margin of 4.3%

OPAL4 concerns · Avg: 3.0/10
Market CapQuality
$66.79M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
7.6%3/10

ROE of 7.6% — below average capital efficiency

Profit MarginProfitability
4.2%3/10

4.2% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : NRG

The strongest argument for NRG centers on Return on Equity. Revenue growth of 13.7% demonstrates continued momentum. PEG of 1.37 suggests the stock is reasonably priced for its growth.

Bull Case : OPAL

The strongest argument for OPAL centers on P/E Ratio, Revenue Growth. Revenue growth of 24.7% demonstrates continued momentum.

Bear Case : NRG

The primary concerns for NRG are P/E Ratio, Altman Z-Score, Profit Margin. Thin 2.8% margins leave little buffer for downturns.

Bear Case : OPAL

The primary concerns for OPAL are Market Cap, Return on Equity, Profit Margin. Debt-to-equity of 47.27 is elevated, increasing financial risk. Thin 4.2% margins leave little buffer for downturns.

Key Dynamics to Monitor

NRG profiles as a value stock while OPAL is a growth play — different risk/reward profiles.

NRG carries more volatility with a beta of 1.34 — expect wider price swings.

OPAL is growing revenue faster at 24.7% — sustainability is the question.

OPAL generates stronger free cash flow (-8M), providing more financial flexibility.

Bottom Line

NRG scores higher overall (54/100 vs 38/100) and 13.7% revenue growth. OPAL offers better value entry with a 88.1% margin of safety. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

NRG Energy Inc.

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

NRG Energy, Inc. is a large American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy, but became independent in 2000. NRG Energy is involved in energy generation and retail electricity.

OPAL Fuels Inc

UTILITIES · UTILITIES - REGULATED GAS · USA

OPAL Fuels Inc. is a prominent player in the renewable natural gas industry, dedicated to converting organic waste into sustainable energy solutions that support the transition to a low-carbon economy. The company operates a diverse portfolio of RNG production facilities and has established strategic partnerships that enhance its competitive position within the market. With a strong focus on leveraging advanced technologies and innovative practices, OPAL Fuels is poised to capitalize on the rising demand for eco-friendly energy alternatives, demonstrating its commitment to generating substantial value in the dynamic energy sector.

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