You can pay your Eversource bill online using multiple quick methods, depending on whether you want to log into an account, pay as a guest, or use a mobile device. Alternative Ways to PayPay By Text: Once your bank account and mobile number are linked to your profile, you can text PAY to 23129 to settle your balance.Phone Payments: Call the automated phone system at 1-844-311-0970 or (888)254(1007) to process your payment.