Castalia’s blog
Battery storage costs have fallen 73% since 2018, making solar + BESS increasingly competitive with gas-fired generation. But while headline figures suggest solar can now deliver dispatchable 24/7 power, a closer look shows nighttime costs remain a major hurdle.
Cape Town’s “Day Zero” crisis showed that even modern cities can run out of water. From Lagos to Dublin, urban water scarcity is rising—but AI and machine learning offer practical solutions. From mapping boreholes and optimizing irrigation to detecting leaks in urban networks, data-driven tools can help cities manage water more efficiently and avoid future crises.
As inverter-based resources and large electronic loads transform power systems, recent blackouts in Texas, Chile, and the Iberian Peninsula reveal growing risks to energy security, and how they can be mitigated
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