Planning and building large Enterprise Energy Management Systems efficiently

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The case study showcases how a large Energy Management System (EEM) was introduced to a manufacturer of olefins and polyolefin such as polyethylene and polypropylene. Feedstock is supplied by MOL who also processes a major portion of by-products from the olefins plant.

The company was built in the 1950s, involving the excavation of 700,000 m3 of soil and the installation of one million m3 of material.
They are also suppliers of feedstock to several other companies engaged in plastic processing operations. The products are supplied to the domestic market and exported to Central and Eastern Europe.

large energy management system building

The main requirements were to

  • Improve the uninterrupted continuity of service
  • Meter all key interchange points with the highest possible accuracy
  • Analyse and isolate the source of power quality problems 
  • Ensure the reliability and efficiency of the network and equipment
  • Perform cost allocation and billing
  • Energy consumption forecasting
  • Demand power calculations
  • Sub-bill tenants for energy costs 

As for System planning and implementation tips when building such a huge or similarly complex energy management system special attention should be paid to the following system characteristics:

  • the HDD performance and the number of IO expressions dictate high attention to detail when logging huge amount of data
  • when handling a huge database it is advised to handle the operation system, the SQL database and the SQL Logging data in a separate RAID 
  • also it is highly important when building such a huge and complex system to choose a hard drive with the right speed. Slow hard drives it is not possible to complete virtual calculations between the SQL data. 
  • When using huge quantities of virtual meters take advantage of the Real-time Virtual Meters instead of the Advanced Virtual Device Manager, as this one runs the calculations between the data stored in the SQL data base, which means more demanding IO expressions and strain on the SQL server. The Realtime Virtual Meter runs the expressions in the memory, so needs a lot less capacity
  • When operating high numbers of pre-scheduled reports, the report generation should not be all done at once in avoidance of the possible overloading of the SQL server
  • The old and not any more necessary data’s deletion should be done regularly in smaller batches to keep the performance of the SQL server steady. Also the deletion for huge data quantity can block the SQL server’s logging. 

For the AVReporter Energy Management System maintenance and back-up procedures the following applies.

SQL Server Datacentre Maintenance:

  • frequency of performing the maintenance duty is 3 months

Maintenance duties:

  • control of capacity
  • index examination
  • elevation of index fragmentation
  • analysis of logged faults and their correction
  • the checking of the saving security
  • checking the working order of the drivers
  • load testing
  • checking of the data deletion
  • archiving of the system logs and event log

Database back-up:

  • transaction log hourly back-up
  • differential back-up every other day
  • full back up every week

The Petrochemical Development Project, worth EUR 430 million, implemented in record time even by international standards resulting the company to successfully expand its capacity in three key areas. The production process includes two major stages: producing monomers and polymerisation.
Completion of the petrochemical expansion project has provided the company to retain a leading position in Central and Eastern Europe and to strengthen its market presence in the European Union. Ethylene and high density polyethylene (HDPE) production capacity has been doubled while polypropylene capacity has also been expanded.



  • VEOLIA- Energy Management Solution for utilitiesVeolia is one of the market leader companies in Hungary in the energy, water and waste management industry. The group company employs approximately 2,500 people who provide professional services to various towns, institutions and industrial companies enabling them to efficient manage resources, while the water utility and district heating branches of the company supply drinking water to hundreds of thousands of families, and heat to tens of thousands of households. With its more than 20-year professional experience Veolia is a determining participant of the Hungarian energy market. The energy branch of the company group provides energy to various institutions of 50 local municipalities, 85 state-owned and public buildings, 30 health institutions and 31 industrial plants, while its district heating networks supply 67,000 residential and institutional customers nationwide. In the three power plants of the company operate high-efficiency natural gas blocks and blocks utilizing renewable energy (biomass).
  • Meet us at the Utility Week in BarcelonaThe European Utility Week aims to be a serious information platform connecting the smart utility community, focusing on regional and global developments in Grid Optimisation, Renewables, Energy Storage, Smart Metering, Smart Cities, Smart Homes, Energy Services & Efficiency, Intelligent Buildings, Data Management, Analytics and IoT, Cyber Security, Smart Gas and Smart Water.  The event serves as an annual meeting point for the community and will be attended by 12.000 international visitors, 450 speakers and 600 exhibitors. 
  • Remote Desktop ServiceAs part of our sales support options, remote desktop service is high on demand.
  • AVReporter Windows Phone & IPhone Mobile Client (Remote Meter Reading)With the support of this application the measurement data (identifying meters manually or by QR code) can be entered and sent via email (attachment in CSV file format) easily into the AVReporter server application.  
  • Technical SpecificationsBelow are some of the specific key elements of AVReporter: