| Rank | Company | Mar 23 | Jan 23 | S | Change |
| 1 |  Duke Energy 0% Complaints resolved | 2-2 | 4 | 50% | |
| 2 |  Energy Solutions Direct 0% Complaints resolved | 1+1 | 0 | 100% | |
| Total Complaints | 3-1 | 4 | 25% | ||
Listed companies in the category Energy Companies:
- AEP Energy
- Boost Electric and Gas
- Bord Gáis Energy
- British Gas
- Bulb Energy
- Calor Gas
- CenterPoint Energy
- ComEd
- Dayton Power and Light
- Discount Power
- DTE Energy
- Duke Energy
- E.ON
- Ecotricity
- EDF
- Electric Ireland
- Enbridge
- Energy Solutions Direct
- Flogas
- Florida Power Light
- Freedom Forever
- Gem Energy
- Green Energy UK
- Green Network Energy
- Green Star Energy
- GreyStone Power Corporation
- Group Solar USA
- Harrisons Energy Solutions
- Husky Energy
- Indiana Michigan Power
- Infinite Energy
- Jemena
- Lead Genesis
- Northeastern REMC
- Npower
- Octopus Energy
- Ofgem
- OG&E
- OGE Energy
- Oncor
- OVO Energy
- PECO Energy
- PFP Energy
- Pickwick Electric Cooperative
- SCE
- ScottishPower
- SECO Energy
- Select Energy Services
- Shell Energy
- SLECA
- So Energy
- SSE
- Suncor Energy
- SunPower
- Sunrun
- TC Energy
- Utilita Energy
- Valero Energy
