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/daily ·06 SEPT 2026 ·SUNDAY ·2 MIN READ ·6 STORIES

Grid plumbing and chemistry

A Google-backed LDES deal lands in West Virginia; Bulgaria is running more battery per capita than anywhere on earth.

01 / The Day

SUNDAY 06 SEPT 2026, ranked

06

Google backs LDES in West Virginia with MN8 and Eos Energy

Google has partnered with MN8 Energy and Eos Energy Enterprises on a solar-plus-long-duration energy storage project in West Virginia, marking one of the more significant commercial deployments of zinc-hybrid LDES technology, which targets multi-hour storage without lithium, cobalt, or nickel.

  • Eos uses zinc-hybrid aqueous chemistry — no lithium, cobalt, or nickel required
  • Project pairs solar generation with LDES to supply consistent low-carbon power to Google load
  • West Virginia site chosen partly for proximity to Google data centre demand
Why it mattersA Google-scale buyer committing to non-lithium long-duration storage sends a credibility signal the LDES sector has been waiting for.
01 energy-storage.news↗

Bulgaria is now the most battery-intensive energy market on earth

A new industry analysis designates Bulgaria as the world's most battery-intensive energy market by installed BESS capacity relative to total grid generation — an unlikely title for a country that until recently was coal-heavy, driven by EU-linked balancing mandates and rapid grid investment.

  • Battery intensity measured as BESS capacity relative to total installed generation capacity
  • Rapid build-out driven by grid balancing mandates tied to Bulgaria's renewable energy targets
  • Shows that battery market leadership is not confined to large or wealthy markets
Why it mattersBulgaria topping a battery density metric signals that grid economics — not just industrial policy — are now driving BESS deployment in unexpected geographies.
02 energy-storage.news↗

Germany: BESS inertia services become the first bankable long-term revenue

An analysis finds that Germany's emerging synthetic inertia market — where batteries earn payments for stabilising grid frequency — represents the first contractually predictable, long-term revenue stream for BESS projects, potentially improving internal rates of return by 1-2 percentage points.

  • Batteries earn payments for synthetic inertia, a function previously supplied by spinning turbines
  • Revenue stream is contractually predictable over multi-year terms — hence classified as bankable
  • A 1-2pp IRR improvement materially changes financing thresholds for marginal projects
Why it mattersA predictable long-term revenue source beyond day-ahead arbitrage is what turns BESS from speculative plays into financeable infrastructure.
03 energy-storage.news↗

New York makes a serious nuclear energy commitment

New York has announced a substantial nuclear energy programme covering life extensions for existing plants and support for advanced reactor siting, in a significant shift for a state that was previously heading toward nuclear phase-out.

  • Programme covers existing plant life extensions and new advanced reactor development support
  • New York's 2040 clean energy target requires firm low-carbon capacity renewables alone cannot supply
  • State follows Illinois, Michigan, and California in reversing previous nuclear exit decisions
Why it mattersNew York reversing course on nuclear adds a major population centre to the growing list of US states concluding grid reliability requires atoms alongside wind and solar.
04 canarymedia.com↗

Novel DC power line designed to link all three US grids

Engineers are developing a high-voltage DC transmission concept that would link the Eastern, Western, and Texas interconnections — the three separate US grid regions that currently exchange minimal power — allowing clean energy to flow across time zones at scale.

  • HVDC technology would allow power to cross the seams between the three US interconnections
  • Western solar surplus could offset Eastern evening peaks and vice versa across time zones
  • Project in planning stages; regulatory and right-of-way challenges remain substantial
Why it mattersConnecting the three US grids is the single highest-leverage grid investment available; a renewable surplus in one time zone could fill the deficit in another.
05 canarymedia.com↗

South Korea doubles its 2027 agrivoltaics budget

South Korea has announced it will double its government budget allocation for agrivoltaic projects — solar installations that share land with active farming — for 2027, reflecting growing confidence that the technology can simultaneously advance food and energy security.

  • 2027 budget doubles the 2026 allocation, signalling committed multi-year government support
  • Agrivoltaic systems maintain or improve yields for shade-tolerant crops under solar panels
  • South Korea joins Germany, Japan, and France in making agrivoltaics a national agricultural-energy policy
Why it mattersLand-use conflict is now the fastest-growing constraint on solar deployment; agrivoltaics that resolve rather than worsen that conflict are attracting serious public money.
06 pv-magazine.com↗
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