| S07a |
D-14 |
VC imputation: MIN per tech |
Variable Cost |
-135,943.7 |
-97.57% |
1138 |
Description: Use minimum non-zero VC per technology instead of median (MADD §5.9 recommendation) Direction: RED decreases (conservative for credits) TGHGd: 42,442.9 (Δ: -106,743.7) | TGHGc: 39,050.5 (Δ: +29,200.0) Note: Affects all units with imputed VC (originally NaN or reclassified VC=0) |
| S07c |
D-14 |
VC imputation: E[min_h] per tech |
Variable Cost |
+75,455.0 |
+54.15% |
1138 |
Description: Use mean of hourly minimum VC (excl. zeros) — likely MADD §5.9 intent Direction: RED increases (anti-conservative for credits) TGHGd: 227,161.9 (Δ: +77,975.4) | TGHGc: 12,370.8 (Δ: +2,520.3) E[min_h] values (USD/MWh): | Technology | E[min_h] |
|---|
| Termoeléctrica TG | 191.06 | | Termoeléctrica CC | 81.16 | | Termoeléctrica TV | 46.70 | | Hidroeléctrica de Embalse | 46.06 | | Hidroeléctrica de Pasada | 39.30 | | Eólica | 28.33 | | Fotovoltaica | 27.21 | | Motor de Combustión Interna | 15.00 | | Termosolar | 0.90 |
Note: E[min_h]: for each hour, take the cheapest unit (VC>0) per tech, then average across all hours. Likely MADD §5.9 Table 35 intent. |
| S15 |
D-06 |
Embalse → non-dispatchable (DPP=0) |
DPP Classification |
+72,368.0 |
+51.94% |
31 |
Description: Classify Hidroeléctrica de Embalse as non-dispatchable (removes from DORd, EF→0) Direction: RED increases (anti-conservative for credits) TGHGd: 223,771.4 (Δ: +74,584.8) | TGHGc: 12,067.3 (Δ: +2,216.8) Affected units: CE13U01G0004 — HE CANUTILLAR U1 (HE CANUTILLAR)CE15U01G0004 — HE ANGOSTURA U1 (HE ANGOSTURA)CE15U02G0004 — HE ANGOSTURA U2 (HE ANGOSTURA)CE15U03G0004 — HE ANGOSTURA U3 (HE ANGOSTURA)CE07U01G0021 — HE EL TORO U1 (HE EL TORO)CE03U01G0017 — HE PEHUENCHE U1 (HE PEHUENCHE)CE04U01G0021 — HE CIPRESES U1 (HE CIPRESES)CE12U01G0021 — HE RAPEL U1 (HE RAPEL)CE02U01G0021 — HE ANTUCO U1 (HE ANTUCO)CE27U01G0021 — HE LOS CONDORES U1 (HE LOS CONDORES)CE16U01G0021 — HE PANGUE U1 (HE PANGUE)CE01U01G0004 — HE COLBUN U1 (HE COLBUN)CE11U01G0021 — HE RALCO U1 (HE RALCO)CE03U01G0004 — HE MACHICURA U1 (HE MACHICURA)
Records affected: 117,850 |
| S12 |
D-30 |
Missing CR = 80% (instead of 100%) |
Capacity |
+63,203.7 |
+45.36% |
— |
Description: Default availability restriction to 80% when data is missing Direction: RED increases (anti-conservative for credits) TGHGd: 212,390.3 (Δ: +63,203.7) | TGHGc: 9,850.5 (Δ: +0.0) Note: Affects units with missing capacity restriction data (CR default 100% → 80%) |
| S11 |
D-27 |
MAXC = P95(UGEN) instead of MAX |
Capacity |
+57,239.0 |
+41.08% |
248 |
Description: Use 95th percentile of historical generation as capacity proxy (reduces AVE) Direction: RED increases (anti-conservative for credits) TGHGd: 206,425.6 (Δ: +57,239.0) | TGHGc: 9,850.5 (Δ: +0.0) Note: Affects all dispatchable units — MAXC reduced from MAX to P95 |
| S07b |
D-14 |
VC imputation: MEAN per tech |
Variable Cost |
+37,297.5 |
+26.77% |
1138 |
Description: Use mean non-zero VC per technology instead of median Direction: RED increases (anti-conservative for credits) TGHGd: 204,034.4 (Δ: +54,847.8) | TGHGc: 27,400.8 (Δ: +17,550.3) Note: Affects all units with imputed VC (originally NaN or reclassified VC=0) |
| S06 |
D-13 |
Keep thermal VC=0 (no reclassification) |
Variable Cost |
-28,793.0 |
-20.66% |
9 |
Description: Do not reclassify dispatchable thermal VC=0 as NaN Direction: RED decreases (conservative for credits) TGHGd: 120,776.8 (Δ: -28,409.8) | TGHGc: 10,233.8 (Δ: +383.2) Affected units: CE03U01G0017 — HE PEHUENCHE U1 (HE PEHUENCHE)CE04U01G0021 — HE CIPRESES U1 (HE CIPRESES)CE12U01G0021 — HE RAPEL U1 (HE RAPEL)CE01U01G0004 — HE COLBUN U1 (HE COLBUN)CE11U01G0021 — HE RALCO U1 (HE RALCO)CE23U03G0232 — GEO CERRO PABELLON U3 (GEO CERRO PABELLON)CE23U02G0232 — GEO CERRO PABELLON U2 (GEO CERRO PABELLON)CE23U01G0232 — GEO CERRO PABELLON U1 (GEO CERRO PABELLON)CE01U03G0226 — TER KELAR CC1-TV (TER KELAR)
|
| S09 |
D-20 |
Include DPP=0 units in DORd |
Merit Order |
-5,966.1 |
-4.28% |
890 |
Description: Remove DPP=1 filter — allow non-dispatchable (EF=0) units in discharge merit order Direction: RED decreases (conservative for credits) TGHGd: 143,220.5 (Δ: -5,966.1) | TGHGc: 9,850.5 (Δ: +0.0) Note: All non-dispatchable units would enter discharge merit order Records affected: 7,326,084 |
| S05 |
D-12 |
Cogen VC=0 → imputed (remove exemption) |
Variable Cost |
+3,995.4 |
+2.87% |
3 |
Description: Treat cogeneration VC=0 as missing data, impute with tech median Direction: RED increases (anti-conservative for credits) TGHGd: 153,182.0 (Δ: +3,995.4) | TGHGc: 9,850.5 (Δ: +0.0) Affected units: CE01U01G0056 — PMGD TER ORAFTI U1 (PMGD TER ORAFTI)CE03U01A0021 — TER CMPC SANTA FE U1 (TER CMPC SANTA FE)CE01U01G0235 — TER PLANTA DE ACIDO SULFURICO MEJILLONES U1 (TER PLANTA DE ACIDO SULFURICO MEJILLONES)
|
| S10 |
D-24/25 |
Anti-conservative tie-break |
Merit Order |
+2,278.9 |
+1.64% |
1138 |
Description: Discharge: EF desc (dirtiest first). Charge: EF asc (cleanest first) Direction: RED increases (anti-conservative for credits) TGHGd: 149,547.7 (Δ: +361.1) | TGHGc: 7,932.7 (Δ: -1,917.8) Note: Affects tie-breaking in both discharge and charging merit orders |
| S01 |
D-06 |
Geotérmica → dispatchable (DPP=1) |
DPP Classification |
+0.0 |
+0.00% |
3 |
Description: Revert: classify Geotérmica as dispatchable (pre-2026-03-19 behavior) Direction: No material change TGHGd: 149,186.6 (Δ: +0.0) | TGHGc: 9,850.5 (Δ: +0.0) Affected units: CE23U03G0232 — GEO CERRO PABELLON U3 (GEO CERRO PABELLON)CE23U02G0232 — GEO CERRO PABELLON U2 (GEO CERRO PABELLON)CE23U01G0232 — GEO CERRO PABELLON U1 (GEO CERRO PABELLON)
Records affected: 26,349 |
| S02 |
D-08 |
Unknown tech fallback → Fotovoltaica |
Technology Inference |
+0.0 |
+0.00% |
4 |
Description: Use Fotovoltaica (DPP=0, EF=0) instead of MCI (DPP=1, EF≈0.67) Direction: No material change TGHGd: 149,186.6 (Δ: +0.0) | TGHGc: 9,850.5 (Δ: +0.0) Affected units: CE01U01G1089 — TER CEMENTOS BIO BIO CENTRO U1 (TER CEMENTOS BIO BIO CENTRO)CE03U01G0018 — PMGD TER CHUFKEN (PMGD TER CHUFKEN)CE01U01G0792 — PMGD TER AGGREKO 01 (PMGD TER AGGREKO 01)CE01U01G0294 — PMGD TER LOS PINOS U1 (PMGD TER LOS PINOS)
|
| S03 |
D-10 |
No VC outlier cap (keep VC > 500) |
Variable Cost |
+0.0 |
+0.00% |
2 |
Description: Do not cap variable costs above 500 USD/MWh (7,944 raw records affected) Direction: No material change TGHGd: 149,186.6 (Δ: +0.0) | TGHGc: 9,850.5 (Δ: +0.0) Affected units: CE01U01G1089 — TER CEMENTOS BIO BIO CENTRO U1 (TER CEMENTOS BIO BIO CENTRO)CE12U01G0021 — HE RAPEL U1 (HE RAPEL)
Records affected: 7,944 |
| S04 |
D-11 |
Keep negative VC |
Variable Cost |
+0.0 |
+0.00% |
2 |
Description: Do not clip negative variable costs to zero (168 records) Direction: No material change TGHGd: 149,186.6 (Δ: +0.0) | TGHGc: 9,850.5 (Δ: +0.0) Affected units: CE12U01G0021 — HE RAPEL U1 (HE RAPEL)CE01U01G0004 — HE COLBUN U1 (HE COLBUN)
Records affected: 168 |
| S08 |
D-16 |
Disp. EF null → 0 (instead of tech median) |
Emission Factor |
+0.0 |
+0.00% |
4 |
Description: Set missing dispatchable EF to 0 instead of technology median Direction: No material change TGHGd: 149,186.6 (Δ: +0.0) | TGHGc: 9,850.5 (Δ: +0.0) Affected units: CE01U01G1089 — TER CEMENTOS BIO BIO CENTRO U1 (TER CEMENTOS BIO BIO CENTRO)CE03U01G0018 — PMGD TER CHUFKEN (PMGD TER CHUFKEN)CE01U01G0792 — PMGD TER AGGREKO 01 (PMGD TER AGGREKO 01)CE01U01G0294 — PMGD TER LOS PINOS U1 (PMGD TER LOS PINOS)
|
| S13 |
D-36 |
No AVE clip (allow negative AVE) |
Capacity |
+0.0 |
+0.00% |
— |
Description: Do not clip Available Energy to ≥ 0 (allow negative spare capacity) Direction: No material change TGHGd: 149,186.6 (Δ: +0.0) | TGHGc: 9,850.5 (Δ: +0.0) Note: AVE would become negative for 22,124 (unit, hour) records |
| S14 |
DQ-01/02 |
Keep original renewable EF (non-zero) |
Emission Factor |
+0.0 |
+0.00% |
1 |
Description: Do not correct erroneous non-zero EF for minihidro (173 units, avg EF≈0.004) Direction: No material change TGHGd: 149,186.6 (Δ: +0.0) | TGHGc: 9,850.5 (Δ: +0.0) Note: Minihidro units with small non-zero EF (avg ~0.004 tCO2/MWh) |