f76d6d45__scams_targeting_SRP_customers__What_scammers_do
[What you need to know] Even if the SRP logo appears authentic, know that SRP is not involved with these activities. Trying to process a check of this nature may put your financial information at risk and lead to identity theft. [What scammers do] 
Schemes involve letters containing a phony SRP check, often with the promise of money. The letter accompanying the check often will advise you to call and "verify" participation or receipt of the check. The phone number usually is an expensive per-minute ploy, placing callers on hold to collect excessive charges.
Utility scams targeting SRP customers
What scammers do