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About Us

 We are located in Newcastle Wyoming nestled in the Black Hills. To learn more about who we are visit the “About Us” link at the top of this web page.
Residential Services
Commercial Services


Along side our expert Electrical technicians we have a number of employees licensed and experienced in HVAC and Plumbing. Our technicians can take care of a multitude of tasks from replacing your water heater to maintaining/installing new furnaces and air conditioning equipment. We also service and repair commercial and residential refrigeration equipment. 21 Electric is also a licensed Trane heating and cooling dealer that can service and repair any HVAC brand on the market.

Component Repair 

In addition to our Electrical and HVAC services. We repair electrical components for industrial facilities and drive power systems in haul trucks and excavators. 21 Electric parts is the partnership of Josh Liggett and Garret Stephens. If you have questions contact Josh Liggett.
Install and Troubleshooting 
  • PLC-Programming
  • Fiber Optic 
  • Fire Alarm systems
  • MCC
  • Solar Power Systems
  • Generators 
  • Powerlines