Timely utility bill payments generally don't impact credit scores, but missed payments leading to collections can adversely affect them.
While not directly influencing credit scores, high utility bills relative to income can affect loan eligibility by impacting debt-to-income ratios.
Landlords may review utility payment history during rental applications, potentially complicating the process if there's a record of late payments.
Utility service applications may prompt credit checks, resulting in hard inquiries that can temporarily lower credit scores.