{"methodology":{"caveats":["Access is density/diversity-based; the EIA pipeline geofeed does not publish per-segment throughput (capacity_mcf), so this is a relative infrastructure-presence index, not a deliverability/firm-capacity model.","Cost uses the latest available industrial or electric-power series per state."],"data_sources":["EIA natural-gas interstate/intrastate pipeline geodata (gas_pipelines)","EIA natural-gas prices by sector & state (eia_gas_prices)"],"index":"Data Center Gas Index (DCGI)","known_defects":["gas_access: the 0.20 interstate_share term compared a lowercase literal against capitalised EIA TYPEPIPE values and scored ~0 for all 53 published states.","gas_cost: hardcoded to 50.0 for nine states including Texas, where eia_gas_prices holds no row; where a row existed it was picked by a non-deterministic tie-break between the EIA industrial (PIN) and electric-power (PEU) series, which carry different margins and are not comparable."],"license":"CC BY 4.0 \u2014 cite 'DC Hub Data Center Gas Index (DCGI), dchub.cloud'","purpose":"Score US states on natural-gas suitability for siting data-center power load, for the behind-the-meter / gas-to-power era.","scores":{"dcgi":"0.60*gas_access + 0.40*gas_cost","gas_access":"0.45*pipeline_density + 0.35*operator_diversity + 0.20*interstate_share","gas_cost":"inverse of latest industrial/electric-power gas price ($/Mcf), floor $2.50 ceil $12"},"status":"disabled","unavailable_reason":"The Data Center Gas Index (DCGI) is withdrawn pending correction. It is not degraded or delayed \u2014 two of its three terms were measurably wrong, so no subset of it is publishable. (1) The 20-point interstate-share term matched a lowercase literal against capitalised EIA TYPEPIPE values and scored ~0 for all 53 published states. (2) The 40%-weighted cost term fell back to a hardcoded 50.0 for nine states including Texas, which was published as DCGI 68.0 / rank #3 / GAS-ADVANTAGED on that constant; where a price did exist it was chosen by a non-deterministic tie-break between the EIA industrial (PIN) and electric-power (PEU) series, which are not comparable.","verdicts":{"ADEQUATE":"dcgi >= 42","GAS-ADVANTAGED":"dcgi >= 62 and gas_access >= 50","GAS-CONSTRAINED":"dcgi < 42"},"withdrawn_on":"2026-08-08"},"ok":true}
