CAES or Batteries?

CAES or Batteries?

CAES or Batteries? Many people have suggested that batteries are a viable way forward for grid-scale electricity storage, and some have cast doubt on whether there is a role for Compressed Air Energy Storage (CAES). However CAES, batteries and the other storage...
Conventional Versus Renewable Energy

Conventional Versus Renewable Energy

Conventional Energy There are two main disadvantages with conventional energy: pollution and concentration. Pollution is in many forms throughout the process. The worst and most enduring is emissions-related climate change, well proven and fully discussed. But...
Changing Business Models for Utilities

Changing Business Models for Utilities

This article considers the question: as renewables become adopted more, how will that change the utility companies’ business models? The answer is: it depends which utility companies: those involved in generation, transmission / distribution, or retail? And note that...
A De-Carbonised and Cost-Effective Energy System

A De-Carbonised and Cost-Effective Energy System

What would such a system look like? A de-carbonised energy system would be built up of many diverse elements selected to be the most suitable mix for each location. There is no single answer or “magic bullet”, no “winning technology” for powering the world, or even...
Do I Care About Climate Change, and Why?

Do I Care About Climate Change, and Why?

I was recently asked: do I truly care about climate change or not, and why? Yes, I care – enough to forego 4 years’ earnings (out of 6.5 years working at this job) and still be earning less than I would in another job, as well as working long hours. I do it because,...
Why De-Carbonise by 2040?

Why De-Carbonise by 2040?

100% renewable energy is a target for the energy systems by 2040, though if it can be achieved by 2030 (which I doubt), then so much the better. It’s important for energy to go to zero because it’s possible without additional costs in the overall system, if done...