A customer was referred to us by one of our current customers, looking for some backup options for his home. He wanted only a few lights and plugs for the TV, wifi router etc. We met with the customer about the option of a backup only system or looking at a “Solar Ready” system. Being[…]
Posts by:
Chris Geary
Energy management of Cold Storage Faciltiy Power-Star energy metering systems have been installed in the facilities of one of the largest Southern African Cold Storage companies. In total there are 25 measuring points across 7 facilities, with a total demand of 6.5 MVA. Energy costs make up a significant portion of the overall operational costs[…]
The City of Cape Town has implemented Level 6 Water Restrictions, effective from 1 January 2018 until further notice. RESTRICTIONS APPLICABLE TO ALL CUSTOMERS No watering/irrigation with municipal drinking water allowed. This includes watering/irrigation of gardens, vegetables, agricultural crops, sports fields, golf courses, nurseries, parks and other open spaces. Nurseries and customers involved in[…]
Power factor is a great area where you can potentially save on your electricity costs. These before and after pictures will show the immediate results after the power factor correction unit has been installed. We also repair existing power factor units as well as handle surveys and maintenance on existing systems. The picture below clearly[…]
In this article we will take a short look at power factor, how it is calculated and the effects thereof on your bill and physical infrastructure. Power factor can be a complex thing but it is not needed to understand the underlying principles to understand the effect of it and the remedial actions. What is[…]
Increase network capacity and reduce access charges at Dynamic Plastics
BLOG POSTS, Power Factor Nov 07, 2017
When moving to their new premises, Dynamic Plastics decided to install power factor correction based on initial measurement data gathered with the Power-Star energy intelligence platform. The data showed several things: The power factor on site was low The network capacity was less than expected The new billing system used Network Access Charges as part[…]
As part of our long-standing relationship throughout the Pioneer Foods group, measure all of the Bokomo Foods sites. Following an annual review of metering data from the energy intelligence platform, a power factor opportunity was identified at Bokomo Savoury Foods in Johannesburg: Figure 1. Screen capture from our energy intelligence platform showing power and demand[…]
Heinz Atlantis saved significant energy through weekend load optimization
BLOG POSTS, Energy Management Oct 31, 2017
Heinz Atlantis manufactures various frozen pre-baked goods in a large facility based in Atlantis. The site was one of the early adopters of the Power-Star Energy Management system and as such has seen some great results. Initial investigation showed a distinct opportunity in base load management and additional work has been done to decrease the[...]
Power-Star first installed an online meter at NAPK in 2013. The information was used to measure energy consumption in order to lower costs. Shortly after a Power Factor opportunity was noticed and corrected. The idea to install solar panels was realized after several months of data collection by the online meter. Using specialized software we were able[...]
How do electricity tariffs work? Electricity tariffs are typically made up of three main components, each of which can be broken down into sub-categories. In general electricity tariffs are published by supply authorities and various different tariff structures can be used to try and encourage certain types of behaviours. Consumption charges A key part of[...]
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