WallStSmart

NRG Energy Inc. (NRG)vsStem Inc (STEM)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

NRG Energy Inc. generates 19554% more annual revenue ($30.71B vs $156.27M). STEM leads profitability with a 88.2% profit margin vs 2.8%. 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

STEM

Hold

44

out of 100

Grade: D

Growth: 2.7Profit: 5.0Value: 6.7Quality: 5.0
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
STEMUndervalued (+77.9%)

Margin of Safety

+77.9%

Fair Value

$52.09

Current Price

$10.70

$41.39 discount

UndervaluedFair: $52.09Overvalued

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

STEM1 strengths · Avg: 10.0/10
Profit MarginProfitability
88.2%10/10

Keeps 88 of every $100 in revenue as profit

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%

STEM4 concerns · Avg: 2.8/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$96.73M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
-5921.0%2/10

ROE of -5921.0% — below average capital efficiency

Revenue GrowthGrowth
-15.6%2/10

Revenue declined 15.6%

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 : STEM

The strongest argument for STEM centers on Profit Margin. Profitability is solid with margins at 88.2% and operating margin at 8.3%.

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 : STEM

The primary concerns for STEM are EPS Growth, Market Cap, Return on Equity.

Key Dynamics to Monitor

NRG profiles as a value stock while STEM is a declining play — different risk/reward profiles.

STEM carries more volatility with a beta of 1.41 — expect wider price swings.

NRG is growing revenue faster at 13.7% — sustainability is the question.

STEM generates stronger free cash flow (7M), providing more financial flexibility.

Bottom Line

NRG scores higher overall (54/100 vs 44/100) and 13.7% revenue growth. STEM offers better value entry with a 77.9% 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.

Stem Inc

UTILITIES · UTILITIES - RENEWABLE · USA

Stem, Inc. is an energy technology company in the United States. The company is headquartered in Millbrae, California.

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