Tesla, Inc.
Independent research coverage
Tesla / Energy Generation & Storage
Growth is clear;
earnings stabilisation is not yet proven.
Tesla Energy became material to group gross profit in 2025. The question is whether deployment growth can translate into durable gross-profit contribution while Tesla’s group investment needs rise.
Short answer
Materiality is proven at gross profit. Stabilisation is not.
Tesla Energy revenue rose from $6.0bn in 2023 to $12.8bn in 2025. Reported gross profit rose from $1.1bn to $3.8bn, making the segment 22.2% of Tesla’s total gross profit.
But Tesla does not disclose Energy operating profit, capex or cash flow. Q2 2026 also showed strong deployment volume alongside a lower segment gross margin.
Reported history
Energy’s contribution expanded sharply.
Black: reported Energy Generation & Storage revenue. Red: reported gross profit. Source: Tesla 2025 Form 10-K. Full source ledger in the downloadable model.
The tension
Volume is not the same as economics.
Q2 2026 storage deployments reached 13.5 GWh, up from 9.6 GWh a year earlier. Yet reported segment gross margin declined from 30.3% to 20.4%.
Tesla cited deployment fluctuations, sales mix and unfavourable warranty adjustments. The right analytical response is not to extrapolate either result: volume and economics need to be modelled separately.
Illustrative scenario explorer
2028 Energy sensitivity
The base model case separates deployment growth, revenue per reported GWh and gross margin. It is an illustrative scenario, not Tesla guidance or a forecast.
Model architecture
A model is only useful if its boundaries are visible.
Reported history
FY2023–FY2025 consolidated financials and H1 2026 reported data are source-linked to primary filings.
2026 bridge
H1 actuals and H2 illustrative inputs are kept separate rather than annualising a half-year result.
Driver-led forecast
Energy deployment, revenue per reported GWh, margins, operating cost and capex are explicit inputs.
DCF sensitivity
Consolidated unlevered free cash flow feeds an enterprise-value sensitivity; no per-share target is published.
What would change the view
The conclusion has clear revision triggers.
- 01Deployment growth continues without a persistent fall in revenue per reported deployment.
- 02Gross margins recover without an unusually large credit benefit.
- 03Group investment needs remain proportionate to internally generated cash.
Source-linked workbook
Inspect the model.
Operating drivers, visible H1/H2 bridge, consolidated UFCF, DCF sensitivity and validation checks. No target price or recommendation.
Sources & disclosure
Primary sources: Tesla 2025 Form 10-K; Tesla Q2 2026 Form 10-Q; Q2 production, deliveries & deployments release.
The Tesla name and logo are used solely to identify the company discussed. This site is not affiliated with or endorsed by Tesla, Inc.
The author has been a Tesla shareholder for approximately eight years and may hold Tesla securities when this research is published. This is educational public-source research, not investment advice or a recommendation.