by georgejetson | Mar 6, 2020 | Emissions, Hydrogen, Solar, Storage
Hydrogen ‘colours’ can be a useful shortcut for differentiating hydrogen supply options. But delimiting by colour can obscure the nuances between supply options, and oversimplify what are difficult policy and commercial choices. There is no universal standard for...
by Graham Palmer | May 10, 2018 | Solar
Is PV capacity growth logistic? The logistic growth function is a useful way to explore the growth rates of many natural phenomena. Many man-made developments can be described by a logistic function, including the diffusion of power technology, such as hydropower and...
by Graham Palmer | Jan 6, 2018 | EROI, Solar
Understanding the divergence in EROI for solar PV Some analyses calculate an EROI for solar PV of 60:1 or higher, while some calculate a much lower EROI, in one recent case, less than 1:1. The casual observer could be forgiven for wondering what’s going on....
by Graham Palmer | Dec 24, 2016 | Solar
The dual identity of rooftop solar We usually purchase energy, not because we value energy per-se, but because we value the energy services they provide – natural gas because we want warm homes or petrol because we want to get somewhere. The curious thing about...
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