HanPrism: Advanced Data Historian System

HanPrism is a high-performing real-time data management solution that collects, archives, visualizes, and analyzes vast amounts of historical and real-time operational data. As an enterprise-wide data management system, HanPrism collects data from disparate sources in real time. It then archives and manages highly complex and extensive data without data loss or interruption. With the archived and real-time data, HanPrism’s built-in visualization and analysis tools allow users to turn data into actionable intelligence. And HanPrism enables various layers of the organization to actively collaborate and gain information anytime and anywhere for effective decision-making.

Data Historian System

Access and monitor real-time and historical operation data anywhere, anytime using process graphics and trend charts. HanPrism has easy-to-use pre-engineered tools for analysis and report generation of operational data. Learn More.

Mimics and Mimic Replayer
View data in a graphic depiction of operations. Users can replay the data from any time in the past to the current time with variable replay speed. By viewing previous events or incidents through historical data on the process graphics, operators have a better understanding of the current and historical operating condition. Learn More.

HanAra Spreadsheet
Read current values, instantaneous values, archived data, sample data, integral values, ROC, and events in Excel. Build the report templates in Excel and update the data with a single click. Learn More.

Script Editor
Create your own expressions or use built-in mathematical functions with real-time data to perform complex calculations. Script tags are added into the database so you have access to the script tags throughout the system.

Alarm Management
View the generated alarms on abnormal situations with Sequence of Events (SOE) and maintain records of what occurred and steps taken. Alarms can be linked with the process mimics to visualize the cause of the alarm.

HanAra Dashboard and Insight
Visualize operational information with customized dashboard pages and view real-time and historical data on any web browser or mobile device (Android and iOS apps).



The University of Texas at Austin campus operates a combined heat and power (CHP) plant with a 135 megawatt power capacity. The single largest electrical load on campus is the cooling system that provides 45,000 tons of air conditioning to the campus. This campus energy system provides 100% of the electricity and heating for the university’s main campus.

In 2014, HanAra professionals replaced the existing historian software with HanPrism. The HanPrism data migration tool migrated every single piece of data from 2009 to 2015, representing approximately 10,000 points.


KOEN is one of the largest energy companies in South Korea. KOEN generates electricity for metropolitan areas and the southern region and serves approximately 10% of annual net electricity generation in South Korea.

HanPrism was installed in 12 KOEN plants and its headquarters. Operational data from each plant is collected and integrated in KOEN headquarters’ HanPrism server. And though nearly 35% of the plants are geographically distant from the headquarters, HanPrism allows KOEN to easily collect and integrate all data from each plant to improve reliability and availability of every facility.


Tenaga Nasional Berhad is the largest electric utility in Malaysia, providing electricity to Malaysia’s businesses, homes, and industries. TNB’s Grid Division manages and operates the 132 kV, 275 kV, and 500 kV transmission network and 439 substations, focusing on efficient and intelligent electricity delivery.

In 2014, TNB Transmission headquarters installed HanPrism which receives data from the EWS, creating a powerful and innovative data infrastructure that enables TNB to utilize its increasing pool of data to achieve operational excellence.

HanPrism Use

Ways to use HanPrism

Implementing a data historian can be a simple process when partnering with a good data historian provider. At HanAra, our historian experts ensure the HanPrism implementation is quick and easy so you make data-informed decisions from the start.

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HanPrism Additions



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