Electric utilities and government agencies are moving towards 100% carbon-free energy. Despite the enthusiasm behind this goal there are a considerable number of open questions. For example, what is the cost of a “carbon-free” system versus a “carbon-neutral system”? And what are these costs relative to? This work addresses these questions by determining the costs and carbon reduction trajectories associated with 100% targets.
The California Independent System Operator (CAISO), which operates the majority of California’s grid, has been curtailing renewable energy at record levels this year. Now, the grid operator is facing even more falling power demand due to the statewide shelter-in-place order caused by the COVID-19 pandemic. Learn more from Greentech Media’s article titled “California renewables curtailments surge as coronavirus cuts energy demand.”