# Impact map — Analysis & Comparison — East Asia Brief

How developments in Korean, Chinese and Japanese industry propagate: the effect on each country and on global buyers.

**Events mapped:** 12  
**Source:** https://eastasiabrief.com/impact/analysis

| Event | Date | Korea | China | Japan | Global buyers | Briefing |
| --- | --- | --- | --- | --- | --- | --- |
| Industrial Clean PPA Grid Tariffs | August 29, 2026 | direct PPA adders 40+ KRW/kWh | preferential green wheeling discounts | rising FIT levy and capacity fees | datacenter power cost dispersion | https://eastasiabrief.com/analysis/corporate-clean-power-purchase-grid-fees-diverge-across-east-103 |
| BSPDN node transition | August 28, 2026 | foundry qualification | advanced node barrier | pad and slurry capex | wafer planarization cost | https://eastasiabrief.com/analysis/japan-expands-cmp-slurry-lines-backside-power-68 |
| Electronic chemical logistics | August 28, 2026 | domestic purification expansion | — | integrated SPHP synthesis | parts-per-trillion purity standards | https://eastasiabrief.com/analysis/high-purity-hydrogen-peroxide-supply-chains-face-regional-bottlenecks-74 |
| Clean hydrogen subsidy mechanism | August 28, 2026 | 15% to 25% facility tax credit and power bidding market | — | 15-year price-gap subsidy under 20T yen GX bond framework | dual export compliance standards for ammonia and blue hydrogen | https://eastasiabrief.com/analysis/korea-japan-diverge-clean-hydrogen-incentives-tax-credits-contract-79 |
| Polysilicon cost floor | August 28, 2026 | — | upstream margin reset | — | solar module price stabilization | https://eastasiabrief.com/analysis/china-polysilicon-cash-costs-diverge-across-regional-power-grids-86 |
| Fab water recycling rules | August 28, 2026 | centralized sewage reuse pipelines | provincial water quotas | local aquifer recharge agreements | water treatment capex divergence | https://eastasiabrief.com/analysis/east-asia-fab-water-rules-diverge-taiwan-mandates-reuse-93 |
| BESS Cost Divergence | August 28, 2026 | strict fire codes lift BoS costs | low-cost containerized LFP dominates | utility interconnection rules lift total capex | BoS and compliance outweigh raw cell price cuts | https://eastasiabrief.com/analysis/grid-storage-costs-diverge-across-east-asia-safety-rules-21 |
| Industrial power tariff divergence | August 28, 2026 | heavy industrial rate hikes | strict peak-to-valley spot spreads | fuel cost and FIT surcharges | manufacturing opex variance | https://eastasiabrief.com/analysis/industrial-power-tariffs-diverge-across-seoul-tokyo-guangdong-clusters-29 |
| 8-inch SiC capacity ramp | August 28, 2026 | SK siltron/DB Hitek scale 200mm lines | Sanan & SICC expand domestic volume | Rohm & Mitsubishi qualify auto lines | traction inverter costs decline | https://eastasiabrief.com/analysis/east-asia-accelerates-8-inch-silicon-carbide-capacity-race-35 |
| Fab capex matching | August 28, 2026 | 15-25% tax credits and KDB debt | Big Fund phase 3 equity and local land | Up to 50% upfront METI cash grant | Shifts fab cash breakeven and tool delivery timing | https://eastasiabrief.com/analysis/comparing-east-asia-fab-subsidies-across-japan-korea-china-42 |
| Yard labor shortage mitigation | August 28, 2026 | foreign E-7 visa quota expansion | state vocational pipeline allocation | MLIT automated yard capital grants | delivery slot reliability and pricing differentials | https://eastasiabrief.com/analysis/shipyard-labor-policies-diverge-korea-japan-china-tackle-yard-51 |
| Heavy Plate Price Divergence | August 28, 2026 | margin pressure, domestic mill dispute | input cost discount, export competitiveness | high yen input costs, margin squeeze | vessel pricing, drydock margin variation | https://eastasiabrief.com/analysis/asian-shipyard-heavy-plate-costs-diverge-mills-builders-clash-59 |

An impact map is our reading of how a development travels, not a forecast.
Publisher: East Asia Brief — https://eastasiabrief.com/