Final answer:
Contact your local Public Utilities Commission (PUC) or Public Service Commission (PSC) if you have an alarmingly high electricity bill; they regulate utility providers and can help with billing issues.
Step-by-step explanation:
If you receive an electricity bill that is unexpectedly high, the multimember agency you should contact is your local Public Utilities Commission (PUC) or Public Service Commission (PSC). They regulate utility providers and can offer assistance with billing disputes or concerns.
You can usually find contact information for your state's PUC or PSC on your electricity bill or by searching online. When you contact them, provide them with your account information and the details of your concern so they can investigate the issue for you.
In addition, you may want to check your electrical appliances and meters for any potential problems that might cause an unusual spike in your electricity usage.