Berkshire requires a 25–50% discount to intrinsic value before buying.
Buffett Quality Checklist
✗ROE >15% consistently (≥7 of last 10 years)
✗Free cash flow positive (≥8 of last 10 years)
✗Conservative leverage — Debt/Equity below 1
✓Revenue growing at CAGR >5%
✓EPS growing at CAGR >5%
10-Year Financial History — SEC EDGAR 10-K Filings
Year▲
Revenue▲
Net Income▲
FCF▲
Owner Earnings▲
ROE▲
Net Margin▲
LT Debt▲
Cash▲
2016
—
$2.9B
—
—
11.9%
—
$27.8B
$1.3B
2017
—
$5.4B
—
—
19.1%
—
$31.4B
$1.7B
2018
$15.4B
$6.6B
—
—
19.4%
43.1%
$26.8B
$638.0M
2019
$17.5B
$3.8B
—
—
10.2%
21.5%
$37.5B
$600.0M
2020
$17.0B
$2.9B
—
—
8.0%
17.2%
$41.9B
$1.1B
2021
$18.8B
$3.6B
—
—
9.6%
19.0%
$51.0B
$639.0M
2022
$23.0B
$4.1B
—
—
10.6%
18.0%
$55.3B
$1.6B
2023
$24.8B
$7.3B
—
—
15.4%
29.5%
$61.4B
$2.7B
2024
$23.5B
$6.9B
—
—
13.9%
29.6%
$72.4B
$1.5B
2025
$25.8B
$6.8B
—
—
12.5%
26.5%
$89.6B
$2.8B
Warren & Charlie
Buffett / Munger — quality, moat & valuation
NEXTERA ENERGY INC (NEE) — Investment Memo
🐂 The Bull Case (Warren's voice)
The Ultimate Florida Toll Bridge: Florida Power & Light (FPL) is the crown jewel. You have a captive audience of millions who cannot survive without air conditioning, legally mandated to pay rates that guarantee a return on equity.
Infinite Switching Costs: Customers cannot pack up the electrical grid and take it elsewhere; the alternative to paying FPL is sitting in the dark in a swamp.
Pre-Approved Compounding: The regulatory framework allows FPL to deploy billions in capital expenditures (like the 2026-2029 rate plans) and receive a virtually guaranteed return. It is a legal machine for turning capital into predictable income.
The Scale Moat in Green Energy: NextEra Energy Resources (NEER) has built a massive footprint in wind and solar. Because of their size, they can secure equipment cheaper, construct faster, and exploit tax-equity structures better than any competitor.
The Value Zone: This business becomes highly attractive to Berkshire only when the market panics and prices the entire company at a discount to the regulated FPL assets alone—essentially giving us the massive renewable portfolio for free. This occurs when the stock trades below $40.00 per share.
🐻 The Bear Case (Charlie inverts)
“All I want to know is where I’m going to die, so I’ll never go there.” NextEra is standing on a trap door of its own making.
Scenario 1: The Debt-Refinancing Trap (Most Likely, 2-5 Year Horizon):
They have tripled their debt from $27.8B in 2016 to $89.6B in 2025.
Meanwhile, their Return on Assets has deteriorated to a pathetic 3.2%.
If interest rates remain elevated, the cost to refinance this mountain of debt will exceed the return on the assets they built. They are running a negative-arbitrage scheme disguised as a growth company.
Scenario 2: Regulatory Repricing (The Kill Shot):
FPL’s high margins (26.5% vs. Southern Co.'s 14.7%) exist purely because Florida regulators allow them.
If consumer anger over rising electricity bills turns into political pressure, the Florida Commission will slash FPL's allowed returns. If FPL's cash flow drops by even 20%, the parent company cannot service the $89.6B debt load.
Scenario 3: The Complex Accounting Unraveling:
NEER is not a simple utility; it is a leveraged hedge fund holding Level 3 derivatives and Variable Interest Entities (VIEs).
When a capital-intensive business uses complex accounting to mask the fact that it produces zero organic free cash flow, history says it eventually ends in a very messy public liquidation.
💰 Valuation & Margin of Safety
Intrinsic Value Estimate:$57.03 per share (based on a total firm value of $118.8B).
25% Margin of Safety Entry:$42.77 per share.
50% Margin of Safety Entry (The Buffett Price):$28.52 per share.
Current Assessment: The stock is expensive. The market is pricing NextEra as a secular "green growth" darling, completely ignoring the fact that revenue grew only 4% in 2025 while debt exploded by 23%. It is a capital-burning treadmill that cannot survive without continuous access to cheap debt.
Verdict: PASS
We choose to PASS on NextEra Energy at current prices because management has traded financial safety for debt-fueled empire building. While the Florida Power & Light utility is a magnificent toll-road asset, the parent company's $89.6B debt load and complex derivative book pose an unacceptable risk of permanent capital impairment. We will keep our cash dry until the market values this business like a highly leveraged utility, well below our deep-safety entry point of $28.52 per share.
Other Analyst Views· Lynch · Damodaran
Research Notes· Money Model · Moat · Financials · Management
Data sourced from SEC EDGAR XBRL filings (10-K only). For educational purposes — not investment advice.