Yazoo County, MS
Modeled firewood price, seasoned cut_split wood, delivered per cord
$375 / cord
90% range: $175–$750
≈ $18.75 / MMBtu delivered energy
Structural-only
no observation anywhere informs this number; it is theory (structural prior) alone.
⚠ Wide uncertainty: this estimate spans a wide range and should be read as a rough band, not a precise figure.
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A human reviews every submission before it can affect any published estimate, usually within a week — it won't change this page immediately. Prices for a full cord (4×4×8 ft) only; if you bought a face cord or a truckload we can't use it yet.
Compare delivered heating costs
Cost per MMBtu of delivered fuel energy — the primary basis, same units across fuels, before accounting for how efficiently your appliance turns fuel into usable heat.
| Fuel | $ / MMBtu | As of |
|---|---|---|
| Firewood (this estimate) | $18.75 | 2026-08-14 |
| Natural gas | $27.00 | 2026-05 |
| Propane | $33.43 | 2026-03-30 |
| Electricity | $47.36 | 2026-05 |
Comparison fuel prices are government-reported (EIA) state averages, not modeled estimates — shown without an uncertainty range because none of ws5's guardrails apply to them.
Adjusted for typical appliance efficiency
Secondary view: the same fuel-energy costs above, divided by a real appliance-efficiency figure, so it reflects the cost of useful heat delivered to the room rather than raw fuel energy. Shown only for fuel/appliance pairs with a documented efficiency figure.
| Fuel | Appliance | Efficiency | $ / MMBtu useful heat |
|---|---|---|---|
| Firewood | Wood stove, conventional | 54% | $34.72 |
| Firewood | Wood stove, EPA-certified | 68% | $27.57 |
| Natural gas | Gas furnace, current federal minimum | 80% | $33.76 |
Emissions
Firewood combustion releases about 93.8 kg of biogenic CO2 per MMBtu burned. This is reported separately and is not netted against, or treated as offset by, anything on this page — see the methodology page for why.
| Fossil fuel | kg CO2e / MMBtu | ≈ tree-seedling-years of CO2 uptake |
|---|---|---|
| Natural gas | 53.1 | 0.88 |
| Propane | 63.1 | 1.04 |
The seedling-year figure illustrates the scale of each fossil fuel's own emissions per MMBtu burned; it is not a wood-vs-fossil offset claim.
Why this estimate
- Evidence: no real firewood price observation informs this county -- this estimate is structural-prior only.
- Climate: 2,606 heating degree days/year (NOAA 1991–2020 normal, base 65°F).
- Wood heat prevalence: 0.7% of occupied homes (2024, Census ACS).
- Model version 1.0.0, coefficient set v2, data as of 2026-08-14.