PowerOptimal Blog Articles


PLEASE NOTE: This article is from 2015. Current status (2021): If financed via a home loan, solar PV plus storage is less

green city

Interviews with some of the Top 8 finalists in the City of Johannesburg Green City Startup Competition.   PowerOptimal features at 1min


Things are really starting to happen on the renewable energy front!   Here are 4 renewable energy records worth getting excited about:[table]


Energy storage is projected to grow rapidly in the USA over the next few years, according to an interesting Utility Dive article. Growth in the

black light bulb

By Hannes Roets Indeed! This brings us to the issue of load shedding. Load shedding is when electricity supply is intentionally interrupted or


(Click here for a 2021 update to this article) Recently we learnt that Eskom has requested another 9.58% tariff increase from NERSA for 2015, on

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