Major ClientsNarrow moat

Tesla (TSLA) — moat facet

Tesla's most profitable customers were competitors legally required to buy from it, and that law has changed.

Tesla's customer base is unusual in this collection because most of it consists of individuals. There are no dealers taking a margin, no fleet buyers negotiating volume discounts, and no customer large enough to disclose. Tesla posts a price on a website and people pay it — which is why the company can change prices overnight and why demand is visible almost immediately.

Regulatory credit revenue by quarter ($M)$439MQ2 2025$417MQ3 2025$542MQ4 2025$380MQ1 2026$146MQ2 2026Tesla Q2 2026 update, income statement
Credit revenue fell by two-thirds in a year, to $146M.

The exception was the most profitable customer relationship Tesla ever had, and it is ending. For years Tesla sold regulatory credits to competing automakers who were legally required to buy them — more than $12 billion between 2018 and 2025, at almost no cost1. That revenue is collapsing: credit revenue was $146 million in the second quarter of 2026, against $439 million a year earlier2, and Toyota and Stellantis have withdrawn from Tesla's European emissions pool for 20263.

Two other groups matter. The energy business sells to utilities, developers and data centres — institutional buyers with procurement processes, entirely unlike the consumer car business, and including at least one affiliated purchaser. And the customer that supports most of the valuation has barely started buying: the robotaxi rider, who matters only if autonomy arrives at scale.

The number that frames all of it is automotive gross margin, 16.9% in the second quarter4 — now that the credits are no longer flattering it.

Moat trajectory: Narrowing

The customer picture deteriorated in the one place it mattered. The compelled-buyer relationship that produced more than $12 billion of near-costless revenue since 2018 is collapsing — $146 million in Q2 2026 against $439 million a year earlier — taking up to 2.5 points of automotive gross margin with it, and no commercial action restores it. The consumer base is intact and the energy customers are improving, but the profitable anomaly is going away.

The number that tests this moat
Reported
Regulatory credit revenue
$146M in Q2 2026, down 67%

The most profitable customer relationship Tesla ever had — competitors legally required to buy — is being legislated out of existence, with analysts expecting it to vanish in 2027. Watch automotive gross margin alone from 2027, when it finally measures whether Tesla makes money building cars.

Source: Tesla Q2 2026 results and credit-market reporting ↗
Dig deeper
DIG DEEPER 01
The Customers Who Were Compelled by Law
More than $12 billion collected from rivals compelled by regulation since 2018 — and $146 million in the latest quarter, a third of a year earlier.
DIG DEEPER 02
No Dealers, No Fleet, No One to Negotiate
No dealers to stuff, no fleet orders to smooth a bad month — which is why demand appears instantly and completely.
DIG DEEPER 03
The Energy Buyers Are Institutions
The energy business sells to utilities and data centres on arithmetic alone — including, once, a company the same person runs.
DIG DEEPER 04
The Customer Who Does Not Exist Yet
Most of Tesla's market value rests on a customer who has never paid it anything.
References
  1. Moat Explorer calcTesla sold more than $12 billion of regulatory credits between 2018 and 2025.
    Moat Explorer calc — automotive regulatory credit revenue by year from Tesla's 10-Ks: 2018 $419M, 2019 $594M (FY2020 10-K); 2020 $1,580M, 2021 $1,465M, 2022 $1,776M (FY2022 10-K); 2023 $1,790M, 2024 $2,763M, 2025 $1,993M (FY2025 10-K); total $12,380M — 2018-2025 · publ. Sept 2026 · source ↗
    Method: Sum of annual automotive regulatory credit revenue, 2018-2025, from the FY2020, FY2022 and FY2025 10-Ks.
  2. ReportedCredit revenue was $146 million in Q2 2026, against $439 million a year earlier.
    Tesla, Q2 2026 update (record revenue $28.2B, +26%; record Q2 deliveries of 480,126; automotive $20.5B, +23%; energy $3.14B, +13%; operating margin 1.4%; free cash flow -$1.1B; regulatory credits $146M; Robotaxi live in seven metros; installed capacity table) — Q2 2026 · publ. Jul 2026 · source ↗
  3. ReportedToyota and Stellantis withdrew from Tesla's European emissions pool for 2026.
    Not a Tesla App — Toyota and Stellantis withdrew from Tesla's European CO2 pool for 2026, leaving Ford, Honda, Mazda and Suzuki; Tesla receives about $2 billion a year from emissions credits — Q2 2026 · publ. Mar 4, 2026 · source ↗
  4. ReportedTesla's automotive gross margin was 16.9% in Q2 2026.
    Tesla, Q2 2026 update (record revenue $28.2B, +26%; record Q2 deliveries of 480,126; automotive $20.5B, +23%; energy $3.14B, +13%; operating margin 1.4%; free cash flow -$1.1B; regulatory credits $146M; Robotaxi live in seven metros; installed capacity table) — Q2 2026 · publ. Jul 2026 · source ↗
Sources
Generated September 23, 2026