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California’s Power Grid Continues to Set New Records for Fossil-Free Operation

Wind, water, solar, and grid-scale battery storage enabled California’s power grid to spend 99 of the past 100 days running completely fossil-free for an average of 5.4 hours per day.

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The Real Reason Engineers Default to Copper

16 July 2026 at 19:06
Copper has been the default conductor for decades and not merely because of its conductivity β€” it’s the only material that combined conductivity and mechanical durability in weight-sensitive applications. That combination is now open to challenge.

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