// renewable energy

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Sep 4

New Jersey legalizes plug-in balcony solar, removing local barriers

New Jersey is preempting local permitting requirements for small solar installations up to 1,200W. The law addresses a real constraint: neighborhood-level veto power over distributed energy infrastructure slowed adoption. More significant is the explicit protection against landlord interference. Renters now can pursue rooftop solar without property owner consent—opening energy economics to the 43% of Americans in rental housing previously locked out. The reclassification matters most. By standardizing these micro-installations as "plug-and-play" rather than construction projects, New Jersey bypasses the permitting apparatus that made solar adoption legalistic and expensive.

theme-connected energy infrastructure renewable energy grid resilience

Aug 27

Texas Grid Survives Summer Without Crisis, Battery Storage Helps

Source: Numlock News

Texas's ERCOT grid avoided rolling blackouts this summer for the first time in years, driven by substantial battery and solar deployments that absorbed peak demand rather than triggering emergency protocols. The grid has answered reliability questions that have shadowed the state since 2021, though success may ease political pressure for further infrastructure investment even as scaling remains incomplete.

theme-connected infrastructure renewable energy hardware

Jul 15

Swiss Railways Test Solar Panels Between Train Tracks

Source: Kottke

A pilot project in Switzerland has deployed solar panels in the narrow gaps alongside railroad infrastructure, turning wasted linear space into energy generation without competing for land. Rail corridors crisscross densely populated regions across Europe and North America, making them potentially valuable real estate for distributed energy without the political friction of rooftop or agricultural solar installations. If scalable, this model could let utilities and rail operators jointly monetize infrastructure they already maintain, creating a new revenue stream for transit systems while adding generation capacity near load centers.

theme-connected energy storage infrastructure renewable energy

Jul 7

China deploys concrete block energy storage at scale

Source: Boing Boing

Energy Vault's gravity storage system—which stacks and restacks concrete blocks to bank excess power—moved from pilot to commercial deployment in China. The move suggests mechanical storage could compete with lithium-ion batteries for grid-scale applications without rare earth material constraints. The tower's architecture matters less than the economics: if concrete stacking undercuts battery costs while offering 30+ year lifespans and regional manufacturing advantages, utilities will have a real alternative for smoothing wind and solar intermittency. Compressed air, molten salt, and pumped hydro storage are also becoming viable as grid operators face battery supply bottlenecks and China's willingness to deploy capital-intensive infrastructure.