Early-Morning Voltage Drop and Machine Faults

The Cause of Mysterious Machine Shutdowns A tenant at an industrial park was experiencing recurring voltage-related problems. The machines were shutting down mainly in the early morning with low-voltage fault alarms, while the tenant’s site was located several kilometres from the electrical supply point. Continuous measurement installed at the supply point revealed that the voltage […]

Comparing Energy Performance Across Similar Sites

We analysed the cooling systems of two technically almost identical sites located only around 1.5 kilometres apart. At one site, the air-conditioning system operated almost continuously, while at the other there were clearly visible periods when the units switched off. The comparison revealed that at the first site, the free-cooling system was not operating correctly. […]

Reducing Weekend Building Energy Consumption with Submetering

Why Does an Empty Office Building Consume So Much Energy at the Weekend? An office building continued to consume a surprisingly large amount of energy at weekends, even though no work was taking place in the building. By analysing data from a submetering system with nearly 500 metering points, OMS24 Zrt. broke down the weekend […]

1,800 kWh/month of Standby Consumption Revealed

1,800 kWh/month of Standby Consumption Revealed A large sheet-metal processing machine was used for production only occasionally. There had been an ongoing debate between the production manager and the energy specialist about how much keeping the machine continuously on standby was actually adding to the electricity bill. Without measurement data, there was no objective answer. […]

Hidden Compressor Consumption Revealed by Submetering

While analysing the electricity consumption of a compressed-air system in a manufacturing facility, OMS24 Zrt. found that the compressors were regularly starting even outside production hours, when there should theoretically have been no demand for compressed air. The measurement data showed that the machines were compensating for pressure losses in the pipework — repeatedly replacing […]

25% Higher Power Consumption Revealed by Submetering

25% Difference Between Identical Equipment Two identical air-conditioning units provided cooling at a technical site and alternated operation in cycles. However, the measurement data clearly showed that one unit was drawing approximately 25% more electrical power during operation than the other. A targeted on-site inspection eventually revealed a refrigerant shortage. After the leak was repaired […]

Avoided Electrical Capacity Upgrade

An Unnecessary Investment Avoided At one of the sites operated by a nationwide telecommunications provider, the electrical protection system was tripping intermittently — specifically, one of the circuit breakers at the electricity meter would disconnect. Because the fault appeared to occur randomly, increasing the available electrical capacity was considered. Submetering, however, showed that the problem […]

2,520 kWh of Unnecessary Heating Consumption Identified per Month

2,520 kWh of Unnecessary Heating Consumption Identified per Month While analysing the energy consumption of sites operated by a nationwide telecommunications provider, OMS24 Zrt. identified one technical site whose electricity use was noticeably higher than that of comparable locations. The main meter could only show that the site was using a large amount of electricity. […]

Nearly 40% Energy Reduction Without New Equipment

Nearly 40% Reduction in Site Energy Consumption — Without New Equipment At a technical site operated by a nationwide telecommunications provider, submetering revealed that the unusually high energy consumption was not caused by the core technology, but by the way the cooling system was operating. As a result of the investigation, the site’s electricity consumption […]