Buy home and assume SOLAR LEASE?

[Timothy Cervantes]

We are in escrow to purchase a home which has a leased Solar system with Vivint.  The lease could be assumed if I pass their credit requirements but I DO NOT want to assume this lease as it does not make financial sense for me.

Has anyone done this?  I found one thread where the OP bought a FORECLOSED home and purchased the system for 5k.  Maybe ask the seller for a credit?  How much of a credit should I be asking for?  i know that question can't be answered without some details.  2100 sq ft, Offered 255k accepted (asking price was dropped 34k before our offer).  Sellers moved out of state and are carrying two mortgages.  Last sold (according to trulia) in '99 for 199k.

Anyone have any input or suggestions?