What to Look for in a Data Center Electrical Contractor
Electrical scope is one of the largest single line items in a data center build, and it sits directly on the critical path. Equipment lead times drive the schedule, the utility interconnection drives the equipment, and every date behind that depends on a contractor who can actually staff and execute the work.
Pick wrong and you find out during commissioning, which is the most expensive possible time to find out.
Here is what to check before you award.
1. Voltage Class Experience, Not Just Data Center Experience
Plenty of contractors will tell you they have done data center work. Ask what voltage. There is a wide gap between a contractor who has pulled branch circuits in a white space fit-out and one who has terminated medium voltage feeders into switchgear.
Ask specifically: what is the highest voltage class your crews have terminated, and on what project. If the answer is vague, that is your answer.
2. Self-Perform Capacity vs Brokered Labor
A contractor who self-performs controls their own quality, their own schedule, and their own safety record. A contractor who brokers labor to fill a manpower ramp controls none of it.
Ask what percentage of the scope they will self-perform, how large their direct workforce is, and what happens if the schedule compresses. A contractor who plans to triple headcount by hiring travelers at the last minute is transferring risk to you and calling it capacity.
3. Documentation Discipline
In a mission critical facility, the work you cannot see is the work that matters. Termination records, torque logs, megger and hi-pot results, as-builts that reflect what was actually installed rather than what was drawn.
Ask to see a sample turnover package from a completed project. This one question separates serious contractors from the rest faster than anything else on this list. A contractor who has a clean package ready will send it in an hour. A contractor who does not will explain why they cannot.
4. Prequalification and Safety Record
Get the numbers, not the adjectives. Current TRIR, current EMR, three years of OSHA 300 logs, and confirmation of which prequalification platforms they are active on and whether they are already approved for your organization specifically.
A contractor who is not already cleared on your platform is looking at weeks before they can mobilize. That is a schedule problem disguised as a paperwork problem.
5. Realistic Manpower Ramp
Data center schedules are aggressive and they compress. The right question is not can you staff this, it is show me the curve.
Ask for a manpower loading plan tied to the schedule. Then ask what other projects are running concurrently and where those crews come from. A contractor with three other jobs peaking the same month is going to be short somewhere, and you want to know that before it is your job.
6. Coordination With Commissioning
Commissioning is where electrical problems surface, and a contractor who treats Cx as somebody else’s phase will cost you weeks.
Ask how they support commissioning. Do they leave crews on site through the process? Who owns punch resolution? Have they worked with a third party CxA before? The good answer involves people staying, not a handoff.
7. How They Handle Long Lead Equipment
Switchgear, transformers, and generators drive the schedule more than labor does. A contractor who has been through recent lead time realities will have opinions about early release, storage, and staging.
If they have no view on this, they have not run a data center project recently.
Red Flags Worth Taking Seriously
- A bid that comes in far below the field with no explanation for the difference
- No answer on self-perform percentage
- Cannot produce a sample turnover package
- Safety statistics offered as descriptions rather than numbers
- Not currently active on your prequalification platform
- References that are all from a different project type
The Underlying Question
Everything above is really one question asked seven ways: does this contractor operate like the facility they are building matters, or like it is another job.
In a building where a single fault is unacceptable, that difference shows up in the terminations, the documentation, and the crew that stays through commissioning instead of demobilizing on the last day of installation.
How Cava Electric Approaches It
We self-perform our electrical scope, we maintain our prequalification credentials year round rather than assembling them when a bid appears, and we document terminations and testing as part of the work rather than as a closeout scramble.
If you are evaluating contractors for a data center project in Texas, we are happy to send our certification packet, safety statistics, and a sample turnover package so you can judge us on the same criteria above.
Building or expanding a facility in Texas? Send us the scope and we will get you a number. Contact Us Here

