Alliant Energy Corp (LNT)

Rating: HOLD

HOLD (5-tier) · quality defensive · conviction: medium

EPS basis for the forward P/E and all scenario multiples: consensus forward EPS (broker-adjusted, non-GAAP).

Methodology: Valuation triangulated across five independent anchors — Monte Carlo (Student-t + regime switching), an independent DCF, peer re-rating, a sum-of-parts, and a scenario-weighted PWEV. Figures reconciled to Alpha Vantage 2026-06-27. Each chart below sits with the part of the thesis it evidences.

General research for a skeptical institutional reader. Not personalised investment advice; no position sizing or trade instructions. Figures as of the analysis date; verify before acting.

Investment Committee Summary

📎 Download the full model (Excel) — DCF line items, scenarios, sensitivity, assumptions, and extended fundamentals.

Rating Bridge

Rating = HOLD because:

• Probability-weighted scenario value implies -6% vs spot
• Monte Carlo median implies -12% vs spot
• Bear case (Structural — Adverse Rate Cases / Rate-Shock De-Rate) downside is -51% vs spot
• Net: reward/risk of 0.2× is not asymmetric enough for a Buy and not impaired enough for a Sell — hence Hold.

Investment Thesis

At $76.29 on 22x forward earnings, the market prices Alliant as a mid-cycle regulated utility whose rate base compounds at roughly 6% with allowed ROEs holding near 10%. That multiple sits at the top of its regulated peer set (SO 21x, DUK 19x, AEP 21x), so the tape already credits the datacenter load-growth optionality across its Wisconsin and Iowa footprint. Our engine takes a more guarded view. The probability-weighted target of $75.90 lands fractionally below spot, driven by a 20% weight on structural rate-shock de-rating and a base case that recovers a 0.222 op-margin rather than the market's implied premium. The base scenario computes to roughly $3.36 EPS at 22.5x; the structural tail compresses both margin and multiple to a target beneath the $58.00 52-week low. The HOLD and the near-flat probability-weighted target follow directly: the shares discount the constructive case, leaving thin compensation for regulatory and rate risk. The single most damaging risk is a concluded rate case settling an allowed ROE below 9.5%, which would reset the earnings base and the multiple together against $11.72B of net debt.

The dashboard below is the whole argument on one page: spot ($78) against each valuation anchor, the scenario tree, technicals and the options-implied move.

Anti-Thesis (The Real Bear Case)

The highest-probability bear mechanism is the structural rate-shock de-rate, carried at 20%. Alliant funds a rising capital plan — capex stepping from $2.48B toward $3.7B — against $11.72B of existing net debt while long rates stay elevated. If commissions in Wisconsin or Iowa turn less constructive, allowed ROEs drift toward 9%, regulatory lag widens, and the recovered op-margin settles near 0.18 rather than 0.222. Earnings stall and the premium 22x multiple compresses toward the low-teens as the market re-rates a levered, capital-hungry name without the growth to justify it. In that path the target falls below the 52-week low, and the dividend, though covered, competes with rising interest costs for the same constrained cash flow.

Key Debate

P/E Multiple explains 57% of Monte Carlo outcome variance — i.e. value is set by the multiple the market will pay, a rate/sentiment regime bet as much as an earnings bet.

Earnings-Call Disconfirmation & Sentiment

Derived signals from the MCH market-data store (Alpha Vantage transcripts + news). Quantitative tone only — a disconfirmation flag, not a substitute for reading the call.

Management vs analyst tone (2026Q1): management +0.31 vs analyst floor +0.03 → delta +0.28 (n=37 mgmt / 30 Q&A; 28th pctile across the S&P book, z -0.7).

Flag: TYPICAL — management-vs-analyst tone within the normal cross-sectional range.

News (last 365d, 757 articles): avg ticker sentiment +0.23 (bullish 31% / bearish 1%)

Scenario Analysis

The tree runs from a structural 'Structural — Adverse Rate Cases / Rate-Shock De-Rate' downside ($38) to a 'Bull — Defensive Re-Rate' bull case ($114); the probability-weighted blend (PWEV $73) is -6% versus spot.

Scenario rationale — what each probability buys (the driver path behind every target):

• Structural — Adverse Rate Cases / Rate-Shock De-Rate (20%, $38). Structural impairment — adverse rate cases / rate-shock de-rate: earnings AND the multiple compress together. Target sits below the 52-week low by construction. Drivers — implied_target: 38.59; probability: 0.2.
• Recession / Rate Spike / Cost Overrun (17%, $61). Cyclical downturn — rate-base growth + allowed ROE + rate cases + interest rates + load growth (datacenters) weakens for 1–2 years before normalising. Drivers — implied_target: 62.42; probability: 0.17.
• Base — Rate-Base Growth + Allowed ROE (35%, $76). Mid-cycle — normalised rate-base growth + allowed ROE + rate cases + interest rates + load growth (datacenters); disciplined capital allocation; steady returns. Drivers — implied_target: 79.81; probability: 0.35.
• Growth — Datacenter Load / Clean-Energy Capex (20%, $98). Upside — datacenter load growth + clean-energy capex lifts earnings above mid-cycle; the multiple expands modestly. Drivers — implied_target: 100.77; probability: 0.2.
• Bull — Defensive Re-Rate (8%, $114). Upside tail — sustained tight conditions or a structural re-rate on datacenter load growth + clean-energy capex. Drivers — implied_target: 118.52; probability: 0.08.

Valuation Triangulation

Five anchors — but read them with their basis in mind. The Monte Carlo, the DCF terminal, and the peer re-rate all key off a market multiple, so they are not fully independent; only the discounted cash flows themselves are genuinely multiple-free. The discipline is to read the spread and weight the cash-based view, not to treat five numbers as five independent votes.

Peer EV/Revenue re-rate — 0% weight: it duplicates the peer-multiple information already carried by the Peer P/E anchor while ignoring margin mix; weighting both would double-count the peer view. Shown as a cross-check.

Monte Carlo — the distribution, not a point

10,000 paths, Student-t shocks (fat tails) with a regime-switching overlay. The median lands at $68 and 36% of paths finish above spot. The variance decomposition shows the p/e multiple is the dominant swing factor (57% of variance). Value is a multiple bet: fundamentals move the answer far less than the rating does.

Peer benchmarking — relative value

Against the peer cohort, re-rating to the peer-median forward multiple (P/E 21.235x) implies $73. A premium is only justified by superior growth/margins; otherwise it is multiple risk. Weighted just 20% so the market's mood does not drive the fair value.

Across all anchors the spread is 30% of the median — moderate (healthy method disagreement — read the blend with care).

Revenue-Segment Breakdown

The company-specific drivers behind the valuation — each segment carries its own growth, margin, multiple and capex intensity. (Tags: FACT reported · ESTIMATE from disclosures · INFERENCE judgment.)

Named Exposures

Demand & pricing cycle (FACT/ESTIMATE)

Capital intensity & shareholder returns (ESTIMATE)

Structural risk vs optionality (INFERENCE)

Industry Context — Utilities — Regulated

This name sits in the Utilities — Regulated as a regulated_utility. rate-base growth + allowed ROE + rate cases + interest rates + load growth (datacenters) Its scenarios are not guessed in isolation — they inherit a single, shared view of the cluster's driver cycle, so the names that depend on the same event are mutually consistent.

Value chain: NEE (regulated_utility) · SO (regulated_utility) · DUK (regulated_utility) · AEP (regulated_utility) · D (regulated_utility) · SRE (regulated_utility) · ETR (regulated_utility) · XEL (regulated_utility) · EXC (regulated_utility) · PEG (regulated_utility) · ED (regulated_utility) · PCG (regulated_utility) · WEC (regulated_utility) · DTE (regulated_utility) · AEE (regulated_utility) · ATO (regulated_utility) · CNP (regulated_utility) · EIX (regulated_utility) · PPL (regulated_utility) · FE (regulated_utility) · ES (regulated_utility) · AWK (regulated_utility) · CMS (regulated_utility) · NI (regulated_utility) · EVRG (regulated_utility) · LNT (regulated_utility) · PNW (regulated_utility)

Mapping note: name-level 'Structural — Adverse Rate Cases / Rate-Shock De-Rate' (20%) + 'Recession / Rate Spike / Cost Overrun' (17%) map to cluster Adverse Rate Cases / Rate-Shock De-Rate (37%); name-level 'Growth — Datacenter Load / Clean-Energy Capex' (20%) + 'Bull — Defensive Re-Rate' (8%) map to cluster Upside — Datacenter Load / Clean-Energy Capex (28%) — the cluster row is the SUM of the mapped scenario probabilities, not a different estimate.

On the cluster's key downside — Adverse Rate Cases / Rate-Shock De-Rate () — this name implies 37% vs the cluster house view of 37% (in line with the house). The cluster's full cross-stock reconciliation governs that the names which ride the same capex cycle assign it comparable odds.

Structure: Shared State — The util_regulated cycle is the shared macro driver. Driver — rate-base growth + allowed ROE + rate cases + interest rates + datacenter load growth Dispersion — Members differ by cyclicality (quality compounders vs deep cyclicals).

Consensus & Market Expectations

_Consensus figures: Alpha Vantage sell-side aggregates. Where the house view sits materially above or below the street, the divergence is itself a datum — see the thesis.

Balance Sheet & Liquidity

Balance-sheet data as of 2025-12-31 (Alpha Vantage).

Capital Allocation

Free-Cash-Flow Quality

Accounting quality: cash conversion (OCF/NI) 144% — cash-backed.

Catalyst Calendar

• 2026-08-06 (~29d) — Quarterly earnings — est. EPS $0.69 (AV EARNINGS_CALENDAR)
• 2026-09-24 (~78d) — Updated multi-year capital plan and financing (equity issuance) update (authored)
• 2026-11-20 (~135d) — Wisconsin/Iowa rate-case order (allowed ROE + rate-base approval) (authored)
• 2027-03-05 (~240d) — Datacenter interconnection / large-load agreement signings (authored)

Forecast Track Record

• EPS surprise: beat 75.0% of the last 8 quarters; average surprise +3.1%.

Competitive Moat

Wide moat. Alliant's moat is a regulated monopoly franchise in Wisconsin and Iowa — a legal service-territory monopoly with a state-authorised return on rate base — structurally wide but capped by the regulator, so the terminal multiple is a function of allowed ROE, not pricing power. Falsifiable: the 22x multiple sits above regulated peers (SO 21x, DUK 19x) and prices datacenter load-growth optionality; if commissions deny the associated capital or cut allowed ROE, that premium is unwarranted and the terminal multiple should revert toward the ~18-19x peer level.

Moat sources:

• Legal service-territory monopoly (WI Power & Light, Interstate Power & Light)
• State-authorised return on a growing rate base (allowed ROE ~10%)
• Constructive multi-year capital plan approved by WI/IA commissions
• Moat ceiling is regulatory — returns are capped, so it is wide but not pricing-elastic

Regulatory & Legal Risk

Probabilities and sensitivities are analyst estimates, not market-implied.

Scenario Macro & Key Risks

What the Market Is Pricing In

At the current price, the market pays 21.1× forward EPS, and a peer median 21.235×.

Variant perception: the house view is below-consensus, and the thesis is primarily event-driven.

Peer Quality & Weighting

Quality-weighted forward P/E: 21.1× (simple median 21.235×). Direct peers count 100%, segment 50%, broad 25%.

Historical-range cross-check: 52-week range $58–$77, centre $67 (-14% vs spot); spot sits at the 102th percentile of the range. Low-weight mean-reversion cross-check, not a fundamental anchor.

Risk / Reward & Margin of Safety

Reward/risk compares triangulated upside against the probability-weighted bear target, not the extreme tail. Bull case (Bull — Defensive Re-Rate): $114.

Assumption Register

Inputs, Sources & Confidence

Every load-bearing input, labelled by type and confidence. (reported fact · company guidance · consensus estimate · market data · house estimate · inference.)

Source Log

Citation coverage: 13/14 mandated claims sourced. Filing URLs are not available via the market-data provider; company statements are cited as 10-K/10-Q via Alpha Vantage.

Load-Bearing Assumptions

No DCF anchor is meaningful for this asset; the blend leans 50% on probability-weighted scenarios and 30% on the Monte Carlo median — the scenario probabilities are the load-bearing inputs.

Reasons the Thesis Could Fail (Falsifiable)

Pre-registered signals that would break the thesis — each polices a specific scenario boundary and is checked at every earnings update:

• Authorised allowed ROE in a concluded Wisconsin or Iowa rate case < 9.5 (single event → Adverse Rate Cases / Rate-Shock De-Rate). The regulated earnings power rests on constructive allowed ROEs. A concluded case settling below 9.5% signals a hostile commission and pressures the base-case op-margin (mid-point of base 0.222 and adjacent-bear 0.205 driver).
• Realised regulated op-margin (operating income / revenue, TTM) < 0.213 (2 consecutive prints → Adverse Rate Cases / Rate-Shock De-Rate). Sustained margin below the base/bear midpoint of 0.213 indicates cost overruns or regulatory lag are not being recovered, moving the earnings path toward the recession scenario.
• Rate-base / regulated revenue growth (YoY) < 0.04 (2 consecutive prints → Mid-Cycle — Rate-Base Growth + Allowed ROE). The base case assumes ~6% growth. Two prints below 4% (midpoint toward the 2% recession driver) would signal the capital-deployment engine is stalling and the mid-cycle target is unsupported.
• Net debt / EBITDA > 6.0 (2 consecutive prints → Adverse Rate Cases / Rate-Shock De-Rate). With net debt of $11.72B against a rising capex schedule, leverage climbing above 6.0x while rates stay elevated raises the risk of a credit-driven equity issuance or a rate-shock de-rate.
• Interconnected datacenter / large-load commitments (signed MW) < 500 (single event → Growth — Datacenter Load / Clean-Energy Capex). The growth scenario depends on datacenter load converting to firm demand. If the disclosed signed pipeline stalls below 500 MW at a full-year update, the growth multiple and 9% growth driver lose their basis.

Fact / Inference / Speculation

• FACT: Spot $78; 52-week range $58–$77; engine rating HOLD; base-case target $76 (-2%). (source: Alpha Vantage 2026-06-27, 8 July 2026)
• INFERENCE: Triangulated FV $72 (-8% vs spot · triangulated FV); the rating tracks the Monte-Carlo + scenario-PWEV core.
• SPECULATION: At current prices the embedded bet is that the market keeps paying the current multiple through the capex cycle — a regime call the engine cannot verify from fundamentals alone.

Recommendation: HOLD

Balanced: triangulated fair value $72 (-8% vs spot); the outcome hinges on P/E Multiple. The debate is P/E Multiple — fundamentally a multiple/regime call.

Disclosures & Limitations

This report is for informational and research purposes only. It is not personalised investment advice and does not consider any investor's objectives, financial situation, risk tolerance, tax position, or liquidity needs.

• No suitability assessment has been performed for any individual.
• Market data may be delayed or inaccurate; figures are as of the analysis date.
• Model outputs (fair values, targets, scenario probabilities) are estimates and may be wrong.
• Forecasts are uncertain; past performance is not indicative of future returns.
• The author or publisher may hold positions in securities mentioned.
• Users should verify information against primary sources (company filings) before acting.
• Investing involves risk of loss; there is no guarantee any target price is achieved.
• Ratings follow a defined research methodology (12-month expected-return thresholds), not individual circumstances.