Research Worth Reading

  • Some Great News About the Global Electricity System — Summarizes findings from Ember’s global electricity report showing clean power met all growth in electricity demand for the first time. Offers data-driven insights into grid decarbonization trends relevant to energy systems engineers.

Technology & Innovation

  • A New Sodium-Ion Battery Twist In The Tale Of ESS — US flow battery innovator ESS is partnering with startup Alsym Energy to manufacture a new sodium-ion battery. This represents a notable development in alternative battery chemistries that could reduce reliance on lithium and lower costs for grid-scale energy storage.
  • Desalination Is Having a Moment — Discusses advances in desalination technology from startups like OceanWell and Vital Lyfe, addressing water scarcity through innovative engineering solutions. Focuses on technical progress in membrane and energy-efficient desalination systems.
  • Electric Fire Trucks Are Spreading, But They Lag Buses, Garbage Trucks, & Drayage Fleets — Vancouver has deployed an electric fire truck in its municipal fleet, adding to the growing list of specialized vehicle electrification efforts. The article notes that fire truck electrification lags behind buses, garbage trucks, and drayage fleets, highlighting varying adoption rates across vehicle segments and the unique engineering constraints of high-power emergency vehicle duty cycles.

Open Source Projects

Policy & Regulation

  • Belgium Is Nationalizing Its Nuclear Industry — Reports on Belgium’s move to nationalize parts of its nuclear sector via Engie, signaling strategic state involvement in low-carbon baseload power. Relevant to energy policy and long-term grid planning discussions.
  • Local policies to get buildings off gas keep winning in court — Building electrification ordinances are being upheld in federal courts after a 2023 setback, strengthening the legal foundation for local gas-ban policies. This is relevant for engineers and policymakers designing electrification roadmaps, as it reduces regulatory risk for building decarbonization projects.

Community Finds

  • Used EVs are on the upswing in America — Used EV sales are surging in the U.S. even as new EV sales slow, with hundreds of thousands of battery-powered vehicles coming off leases. This trend has implications for battery second-life applications, grid storage potential, and the economics of EV battery degradation at scale.
  • Scope 3 Emissions: Challenging? Yes. Impossible To Reduce? No. — Despite the US federal government stepping back from climate initiatives, corporations are quietly developing emissions mitigation strategies, including approaches to reduce Scope 3 (supply chain) emissions. The piece highlights that Scope 3 reduction, while difficult, is achievable and increasingly being operationalized — a strong signal for engineers interested in supply chain data infrastructure and lifecycle analysis tooling.
  • Ask HN: What can I do to actively fight climate change? — Broad community discussion on actionable steps individuals and technologists can take to address climate change, including open-source contributions, data analysis projects, and joining climate-focused organizations. Offers a range of entry points for engineers looking to redirect their skills toward climate work.

Today’s Synthesis

The throughline today is energy storage as the connective tissue of decarbonization — and engineers have a clear entry point. ESS’s sodium-ion battery partnership and Accelergen’s 300 MW Kansas project both underscore that storage is moving from pilot to deployment at scale, but the EnerVenue factory shift to China reveals a domestic manufacturing gap that creates real demand for systems engineers, process engineers, and supply chain tooling. Meanwhile, the surge in used EVs means a growing stream of batteries that need degradation modeling, second-life grading algorithms, and BMS data pipelines — all squarely in ML and embedded systems territory. If you’re looking for where to aim your skills, the storage stack — from cell chemistry to fleet-level battery analytics — is hiring and underinvested in software.