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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...

Renewables and reactive power

A transition to higher penetration renewables is going to require much more attention to electricity networks. Most of the generator ancillary services have been essentially built into systems by virtue of using large synchronous generators. An earlier post explored...

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...