Is the lessor obligated to return half of the rent amount to the lessee, based on the fact that the latter only benefited from the commercial property for half of the agreed-upon period, given that the lessee was aware of the unavailability of electricity at the beginning of the contract?

Leasing is a binding contract for both parties and can only be terminated upon the expiration of the term, the fulfillment of the purpose for which the object was leased, or the existence of a valid reason for termination. If it becomes impossible to utilize the premises entirely or for the purpose for which it was leased, the lease is annulled. However, if utilization is possible with some deficiency, the lessee has the option to either terminate the contract or proceed with it. If he does not terminate, he is bound to pay the rent.

The general principle is that disputes are resolved only through the ruling of a Sharia judge or through Sharia arbitration.