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The social contract of electricity service

In an address to a group of British engineers in 1892, Hopkinson articulated many of what we would now identify as contemporary problems faced by electricity regulators. Hopkinson explored the issue of fixed versus variable tariffs, the problems of network cost...

Electricity generation will be modular

The delivery of Elon Musk’s battery is a triumph of modularity. Musk promised the South Australian Government that he would deliver the battery in 100 days and completed ahead of the deadline. Furthermore, wind and solar projects are regularly being delivered in 2...

The NRDC baseload twitter storm

The release of a Brattle report by the Natural Resources Defense Council (NRDC) resulted in a Twitter storm and much commentary over the meaning of ‘baseload’. Mark Diesendorf had pushed back against the term more than 10 years ago. But some anti-coal proponents...

Synchronous grids and inertia

The Australian NEM spans five states and 4,500 km and has around 260 registered generators, all of which, when online, are synchronous machines spinning in near-exact synchronization at close to 50 Hz across the network (the island state of Tasmania is connected via...