Verified Nov 2026
Batteries & E-Mobility
·
San Francisco, California
·
Since 2018
Span is a privately held company headquartered in San Francisco, California, founded in 2018 and employing between 200 and 500 people. It makes the SPAN Panel, a smart electrical panel that serves as a home energy hub, providing circuit-level monitoring, EV charger integration, and battery-related power prioritization during outages. The company serves industries including automotive, electric vehicles, electronics, appliance, construction, and plumbing hardware. In February 2026, it was reported to be raising a $176 million Series C round.
Span at a glance
Revenue
$100-250M
Est. band
Employees
200-500
Founded
2018
Headquarters
San Francisco, California
Import activity
752
Industries
Automotive
Electric Vehicles
Electronics
Appliance
Construction
Plumbing & Hardware
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
752
Named foreign suppliers
23
Top origins
Italy · South Korea · Oman · India
Shared foreign counterparties do not establish that these companies buy from Span.
What this tells a buyer
Span announced a strategic partnership with Eaton in March 2026, and Sunrun and Span expanded their partnership in September 2026.
Span lists battery products among its offerings, and its SPAN Panel is designed to manage home energy and connect with electric vehicle chargers.
Span is privately held, with an estimated annual revenue band of $100 to $250 million.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Span is a privately held company headquartered in San Francisco, California, founded in 2018 and employing between 200 and 500 people. It makes the SPAN Panel, a smart electrical panel that serves as a home energy hub, providing circuit-level monitoring, EV charger integration, and battery-related power prioritization during outages. The company serves industries including automotive, electric vehicles, electronics, appliance, construction, and plumbing hardware. In February 2026, it was reported to be raising a $176 million Series C round.
At a glance
Attribute | Detail |
|---|---|
Founded | 2018 |
Headquarters | San Francisco, California |
Employees | 200-500 |
Revenue | $100-250M (estimated) |
Primary capability | Batteries & E-Mobility |
What Span makes
Span lists battery products among its offerings, and its SPAN Panel is designed to manage home energy and connect with electric vehicle chargers.
Products and capabilities described on the company's own site include Battery (source: span.io).
Trade and customs footprint
Span announced a strategic partnership with Eaton in March 2026, and Sunrun and Span expanded their partnership in September 2026. US customs bill-of-lading records list 752 inbound shipments across 23 foreign suppliers, with top origins including Italy · South Korea · Oman · India.
Latest developments
2026-09-23 — Sunrun and SPAN Expand Partnership to Accelerate Distributed ... (sunrun.com)
2026-04-13 — SPAN® Blog | SPAN Announces XFRA, a Distributed Data Center Solution to Close the Speed-to-Power Gap for AI Compute Demand (span.io)
2026-03-09 — Eaton and SPAN establish strategic partnership (eaton.com)
2026-03-09 — Span looks to cut smart panel costs with $75M Eaton… | Canary Media (canarymedia.com)
2026-02-02 — Span is raising a $176 million Series C | Latitude Media (latitudemedia.com)
2026-01-28 — Former Tesla exec's energy startup Span.io gets new funding round - San Francisco Business Times (bizjournals.com)
Company details
Span is privately held, with an estimated annual revenue band of $100 to $250 million. Span was founded in 2018, has an estimated 200-500 employees, and is headquartered in San Francisco, California.
Frequently asked questions
What does Span make?
Span is a privately held company headquartered in San Francisco, California, founded in 2018 and employing between 200 and 500 people. It makes the SPAN Panel, a smart electrical panel that serves as a home energy hub, providing circuit-level monitoring, EV charger integration, and battery-related power prioritization during outages. The company serves industries including automotive, electric vehicles, electronics, appliance, construction, and plumbing hardware. In February 2026, it was reported to be raising a $176 million Series C round.
Where is Span headquartered?
Span is headquartered in San Francisco, California (679 Bryant St, San Francisco, California, 94107-1612).
When was Span founded?
Span was founded in 2018.
How big is Span?
Span has an estimated 200-500 employees, with revenue in the $100-250M range (estimated).
Does Span import from overseas suppliers?
US customs bill-of-lading records show 752 inbound shipments for Span, with top origins including Italy · South Korea · Oman · India.
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Last verified Nov 2026. Is this your company? Request a correction.
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