ABB digitizes gas distribution network of Assam Gas Company

ABB's SCADA-based solution monitors and controls gas flow across tea estates and select industrial customers, across six districts of upper Assam. The project was awarded by Assam Gas Company (AGCL) and will be undertaken in two phases to cover 399 tea estates and six large industrial customers. As the state utility works towards building a sustainable gas distribution system, one of the major issues AGCL faced with was the optimization of gas flow along its extensive pipeline network ensuring gas availability per pre-defined limit even to the last-mile consumer.

ABB was able to customize and deliver a state-of-the-art SCADA and telecom solution for AGCL covering 74 tea estates and six big industrial consumers in the first phase of the project. This solution comprises of three pressure regulating stations, one bi-directional metering station along AGCL's pipeline.ABB's control system helps AGCL to regulate the gas flow according to the requirements of each tea estate. ABB's pressure regulation (metering, filtration and pressure-let-down) skids, ultrasonic-based metering module solution and the advanced control system, ensure gas distribution to the last mile connection while maintaining the optimum pressure along the length of the pipeline.

The SCADAvantage system facilitates advanced control and real-time monitoring of gas flow from a remotely located control room. It is a high-quality solution that enables safe and reliable management of distributed assets. On the completion of Phase I, ABB has been awarded with additional contract for 325 locations by Assam Gas Company Ltd.in a competitive bidding process, to be carried out over the next four years as part of Phase II. An ERP solution integrated with SCADA shall also ensure accurate billing for AGCL without need for physical data collections over vast remotely located areas.

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