overview：
suitable for under-developed area or sub-metering communities,complex area of power grid environment.prepaid solution is the combination of vending system and prepaid electronic meter with uiu, also provide rich vending channels for customer convenience.prepaid meter stores and manages the payment balance and then initiates its own disconnect and reconnect when the balance is exhausted. prepaid solution deliver multiple benefits:
l overdue payment 100% settled.
l increased cash flow by 30% for utility.
l customer satisfaction more than 90%.
l reduce non-technical line loss by more than 10%.
architecture：
highlights
l compliance with latest sts edition 3 standard and avoid 2024 tid problem.
l support concurrent mass transaction management for vending channels.
l zero dependency of utility to meter provider.
l anti-hoarding mechanism to prevent hoarding.
l compatibility with low speed telecommunication networks.
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