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Energy Management
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Solar energy
  • A brief history of Solar Energy
    September 13, 2017
    From the beginning, the sun has been personified and worshipped for the light and heat that it provides to the earth. Eventually, the worship of...
  • Moving towards ISO 50001 energy efficiency certification
    September 13, 2017
    We at Karob Plastics have been using Power-Star since around 2012, and have found the tool not only extremely beneficial and an interesting read, but...
  • How to do Bill Verification
    September 13, 2017
    It is important to verify the bill you receive from your local council. Here we explain how to do bill verification using the Power-Star software. Typically, we...
  • Power-Star measures world heritage site
    September 14, 2017
    Table mountain is one of the top six tourist attractions around Cape Town. The mountain is truly iconic and is known worldwide. The cable car trip...
  • Spier Estate saves 55% by reducing water wastage
    October 11, 2017
    Spier Estate requested Power-Star to collaborate with them in an extensive water measurement project for the site. The main objective of the program was to...
  • 30% savings through interventions at Sanlam Head Office
    October 16, 2017
    Power-Star approached Sanlam in 2012 with an energy management proposal outlining a process which would allow ambitious electricity saving targets. The idea was to use...
  • Over 30% savings at The One and Only Hotel with zero-cost interventions
    October 16, 2017
    Power-Star ran an energy management program at the prestigious One and Only Hotel in Cape Town over a period of three months in 2011. Using...
  • Vineyard Hotel Bill Dispute
    October 16, 2017
    Power-Star meters have been installed and in use at the Vineyard Hotel for over four years. As the hotel has a clear vision for energy...
  • Sanlam Sky Houghton energy management journey
    October 27, 2017
    Sanlam Sky Houghton Case Study Our energy intelligence meter was installed on the main incomer of the Sanlam Sky building in March 2012. The data was...
  • How do electricity tariffs work?
    October 31, 2017
    How do electricity tariffs work? Electricity tariffs are typically made up of three main...
  • Noord Agter Paarl Koelkamers Solar Project
    October 31, 2017
    Power-Star first installed an online meter at NAPK in 2013. The information was...
  • Heinz Atlantis saved significant energy through weekend load optimization
    October 31, 2017
    Heinz Atlantis manufactures various frozen pre-baked goods in a large facility based in...
  • 16 month ROI on Power Factor at Bokomo Savoury Foods
    November 7, 2017
    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...
  • Increase network capacity and reduce access charges at Dynamic Plastics
    November 7, 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...
  • Power factor correction - before and after
    November 21, 2017
    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...
  • Level 6 Water Restrictions Overview
    January 18, 2018
    The City of Cape Town has implemented Level 6 Water Restrictions, effective from 1 January 2018 until further notice.   RESTRICTIONS APPLICABLE TO ALL CUSTOMERS ...
  • National cold storage chain reach overall savings of 17,9%
    April 6, 2018
    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....
  • accelerated depreciation
    What Accelerated Depreciation Means for Your Solar PV Project
    August 7, 2019
    From the start of 2016, Section 12B of the Income Tax Act was amended from a three year (50% – 30% – 20%) accelerated depreciation...
  • interval data
    Can I get an Accurate Solar Assessment Without Interval Data?
    August 7, 2019
    Are you considering getting a solar PV assessment or do you already have one where your utility bills have been used? Without interval data, it...
  • Industry Leading Software: Accurate, Transparent, Reliable Solar PV Assessments
    August 13, 2019
    At Power-Star, we noticed that there is a lack of accurate solar PV assessments in the industry. This is due to the lack of sufficient...
  • going solar
    Going Solar? We’re Ready to Help
    August 19, 2019
    Installing a solar PV system is a great investment for your business. It helps to save you significant costs on electricity, giving large returns.  There are...