# SF6-free

Part ID: 7.02b · Layer 7 (Electrical: power distribution (grid to rack)) · child of 7.02

Breaker and switchgear designs that replace the potent greenhouse gas SF6 as an insulating medium, offered as an alternative to conventional gas-insulated switchgear.

## Companies

| Company | Role | Confidence | Ownership | Ticker | Note |
|---|---|---|---|---|---|
| ABB | manufacturer | inferred | public | ABBN.SW |  |
| GE Vernova | manufacturer | inferred | public | GEV | g3 |
| Hitachi Energy | manufacturer | inferred | subsidiary |  | EconiQ |
| Siemens Energy | manufacturer | inferred | public | ENR.DE | Blue |

Confidence tags: disclosed = company/filing statement; reported = trade press or partner list; inferred = taxonomy lead.