No public price index exists; DEDE lists buyers, not prices. Reported
market prices: fresh chips 1,350-1,800 THB/t (LH Bank, Mar 2026),
rubberwood firewood >1 THB/kg farm gate (OIE RIU 2026, doubled since late
2025), corn residue 2 THB/kg (Sunsweet, Mae Chaem), rice husk ~1.5 THB/kg,
pellets 3,000-5,000 THB/t. Planning price 1.35-2 THB/kg delivered, so the
mature fuel bill is ~0.6M-1.2M THB/yr (was 0.35M-0.8M): still a quarter
to a tenth of electric steam. Prices follow diesel; Ratch Pathana's Pa Sak
(Lamphun) buying centre is the local price-setter. Sources filed under
docs/finance/biomass/; sustainability.md and README follow.
grabowski
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