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Observed installation evidence

Tesla Home Batteries: Adoption Data

How often Tesla was named in covered battery records, the project-level storage capacity reported with those records and where adoption appeared most often.

Named Battery Records
64,750
Share of Named Records
65.42%
Median Project Capacity
26.4 kWh
Median Reported Power
10 kW

Share of Named Battery Records by Year

Share of named records (%)

201820192020202120222023

How to use this evidence

  • Adoption: frequency shows recorded use in covered markets, not product quality.
  • Sizing: compare your critical loads and desired backup hours before comparing products.
  • Compatibility: verify inverter, controller, service-panel and operating-mode requirements.
  • Buying: use current manufacturer documents and complete installed quotes.
Estimate backup capacity →

States with the Most Named Tesla Battery Records

StateObserved records
California54,747
Arizona4,043
Colorado1,753
Massachusetts1,596
Vermont1,489
Texas892

Most Common Reported Model Strings

Model names are reproduced from public records and can include legacy identifiers, capitalization differences or project configurations.

AC Powerwall 2012170-XX-Y44,013
AC Powerwall 1092170-xx-y11,151
AC Powerwall 3012170-XX-Y6,050
1850000-XX-Y2,910
Powerpack 2 system [2hr]136
Powerpack 2 1490026-XX-Y70
Powerpack 2 system60
Powerpack 2 system 1490025-XX-Y54

Source: Berkeley Lab Tracking the Sun 2024. Installation records through 2023 from 27 states and Washington, D.C.; equipment fields are incomplete and do not represent the full U.S. market. Manufacturer aliases are normalized and redacted or placeholder values are excluded.