The Air Force has instilled its core value of "integrity first" into me, which has shaped who I am now, and defines the kind of real estate professionals I want to surround myself with in the future. 

Stop trying to use your title to instill fear into the OP.

Bottom line you would need to charge a higher amount in rent than any tenant would ever save in hydro.Just stick with the norm for your market.If on the other hand you could arrange to have the instillation done for free by a solar company, sell the power generated directly to the utility company splitting the income with the solar company, you could have a separate income stream on the property.

But seriously, thanks for weighing in. Still

Best just to pay and be done.People tend to follow the advice of the "gurus" (including podcasts), many of whom use scare tactics to instill a sense of fear in us, and then find themselves in the same situation you're in... owning a property in an LLC, and finding out you can't litigate even the simplest of matters without hiring an attorney to represent the LLC in court.Thank the gurus and podcast authors who systematically promote half-truths (the benefits of their ways without even a mention of the down-sides) for this.  

And if the gas company is willing to help with the tab of a new instillation then that would be a benefit.

They are incentivized to instill fear in you - they make money doing this work. 

Attorneys and real estate professionals make money selling their seminars on the laws and instilling fear.  

Then, if she stays employed, the money will start to trickle in. Still

and this may imply assent for move in. Still