RHO La Ligua — BESS Emission Reduction Dashboard [PREVIEW]— 90 MW / 360 MWh / 4h / LFP • PREVIEW
MADD Methodology §5.4 Ex-Ante Quantification | CEN 2024 + 2025 | Preview build for review
Analysis Year
Year-over-Year Comparison
Monthly RED — 2024 vs 2025
Net emission reductions by month
What changed: RED(2025) − RED(2024)
Bars = Δ components; line = net Δ RED. Hover for EFd / EFc.
Emission Factor 2024
0.3918
tCO₂ / MWh
RED 47,614 tCO₂ / 121,512 MWh discharged
Annual Summary — 2024
RED (tCO₂)
47,614
Net Emission Reduction
TGHGd (tCO₂)
50,659
Displaced by BESS
TGHGc (tCO₂)
3,044
Induced by Charging
OSE (tCO₂)
16.2M
System Emissions
BESS (MWh)
83/90
Discharge / Charge per hour
Annual Emission Reduction Waterfall — 2024
tCO₂ — Full Year 2024
Monthly RED Decomposition
TGHGd − TGHGc = RED
Average Marginal Emission Factor
tCO₂/MWh by Month
Monthly Curtailment
MWh
Spot Price Distribution (hourly)
Box = IQR of hourly system averages; diamond = monthly median
Monthly Drill-Down
January 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
January 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
January 2024 — RED = 3,707 tCO₂
TGHGd=3,707 − TGHGc=0
January — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
January — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
January — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
January — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
January — Most Frequent Marginal Units
Discharge — sets the marginal EF
January — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 9 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.005 tCO₂/MWh. A higher value here pulls net RED down.
February 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
February 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
February 2024 — RED = 3,980 tCO₂
TGHGd=3,989 − TGHGc=9
February — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
February — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
February — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
February — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
February — Most Frequent Marginal Units
Discharge — sets the marginal EF
February — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 86 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.000 tCO₂/MWh. A higher value here pulls net RED down.
March 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
March 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
March 2024 — RED = 4,494 tCO₂
TGHGd=4,580 − TGHGc=86
March — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
March — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
March — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
March — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
March — Most Frequent Marginal Units
Discharge — sets the marginal EF
March — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 271 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.076 tCO₂/MWh. A higher value here pulls net RED down.
April 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
April 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
April 2024 — RED = 3,666 tCO₂
TGHGd=3,937 − TGHGc=271
April — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
April — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
April — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
April — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
April — Most Frequent Marginal Units
Discharge — sets the marginal EF
April — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 505 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.207 tCO₂/MWh. A higher value here pulls net RED down.
May 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
May 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
May 2024 — RED = 4,546 tCO₂
TGHGd=5,051 − TGHGc=505
May — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
May — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
May — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
May — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
May — Most Frequent Marginal Units
Discharge — sets the marginal EF
May — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 2,030 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.261 tCO₂/MWh. A higher value here pulls net RED down.
June 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
June 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
June 2024 — RED = 3,148 tCO₂
TGHGd=5,179 − TGHGc=2,030
June — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
June — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
June — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
June — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
June — Most Frequent Marginal Units
Discharge — sets the marginal EF
June — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 141 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.075 tCO₂/MWh. A higher value here pulls net RED down.
July 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
July 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
July 2024 — RED = 6,243 tCO₂
TGHGd=6,384 − TGHGc=141
July — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
July — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
July — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
July — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
July — Most Frequent Marginal Units
Discharge — sets the marginal EF
July — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 1 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.000 tCO₂/MWh. A higher value here pulls net RED down.
August 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
August 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
August 2024 — RED = 5,448 tCO₂
TGHGd=5,449 − TGHGc=1
August — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
August — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
August — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
August — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
August — Most Frequent Marginal Units
Discharge — sets the marginal EF
August — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
September 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
September 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
September 2024 — RED = 3,025 tCO₂
TGHGd=3,025 − TGHGc=0
September — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
September — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
September — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
September — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
September — Most Frequent Marginal Units
Discharge — sets the marginal EF
September — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
October 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
October 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
October 2024 — RED = 3,431 tCO₂
TGHGd=3,431 − TGHGc=0
October — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
October — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
October — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
October — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
October — Most Frequent Marginal Units
Discharge — sets the marginal EF
October — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
November 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
November 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
November 2024 — RED = 2,534 tCO₂
TGHGd=2,534 − TGHGc=0
November — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
November — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
November — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
November — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
November — Most Frequent Marginal Units
Discharge — sets the marginal EF
November — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
December 2024 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
December 2024 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
December 2024 — RED = 3,392 tCO₂
TGHGd=3,392 − TGHGc=0
December — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
December — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
December — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
December — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
December — Most Frequent Marginal Units
Discharge — sets the marginal EF
December — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
Emission Factor 2025
0.4849
tCO₂ / MWh
RED 58,758 tCO₂ / 121,180 MWh discharged
Annual Summary — 2025
RED (tCO₂)
58,758
Net Emission Reduction
TGHGd (tCO₂)
59,953
Displaced by BESS
TGHGc (tCO₂)
1,195
Induced by Charging
OSE (tCO₂)
18.8M
System Emissions
BESS (MWh)
83/90
Discharge / Charge per hour
Annual Emission Reduction Waterfall — 2025
tCO₂ — Full Year 2025
Monthly RED Decomposition
TGHGd − TGHGc = RED
Average Marginal Emission Factor
tCO₂/MWh by Month
Monthly Curtailment
MWh
Spot Price Distribution (hourly)
Box = IQR of hourly system averages; diamond = monthly median
Monthly Drill-Down
January 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
January 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
January 2025 — RED = 5,347 tCO₂
TGHGd=5,347 − TGHGc=0
January — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
January — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
January — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
January — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
January — Most Frequent Marginal Units
Discharge — sets the marginal EF
January — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 98 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.025 tCO₂/MWh. A higher value here pulls net RED down.
February 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
February 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
February 2025 — RED = 4,036 tCO₂
TGHGd=4,134 − TGHGc=98
February — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
February — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
February — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
February — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
February — Most Frequent Marginal Units
Discharge — sets the marginal EF
February — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 15 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.011 tCO₂/MWh. A higher value here pulls net RED down.
March 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
March 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
March 2025 — RED = 5,775 tCO₂
TGHGd=5,791 − TGHGc=15
March — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
March — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
March — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
March — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
March — Most Frequent Marginal Units
Discharge — sets the marginal EF
March — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 358 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.036 tCO₂/MWh. A higher value here pulls net RED down.
April 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
April 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
April 2025 — RED = 6,203 tCO₂
TGHGd=6,561 − TGHGc=358
April — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
April — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
April — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
April — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
April — Most Frequent Marginal Units
Discharge — sets the marginal EF
April — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 381 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.045 tCO₂/MWh. A higher value here pulls net RED down.
May 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
May 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
May 2025 — RED = 5,753 tCO₂
TGHGd=6,134 − TGHGc=381
May — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
May — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
May — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
May — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
May — Most Frequent Marginal Units
Discharge — sets the marginal EF
May — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 171 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.023 tCO₂/MWh. A higher value here pulls net RED down.
June 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
June 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
June 2025 — RED = 5,217 tCO₂
TGHGd=5,387 − TGHGc=171
June — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
June — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
June — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
June — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
June — Most Frequent Marginal Units
Discharge — sets the marginal EF
June — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 92 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.027 tCO₂/MWh. A higher value here pulls net RED down.
July 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
July 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
July 2025 — RED = 4,925 tCO₂
TGHGd=5,017 − TGHGc=92
July — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
July — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
July — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
July — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
July — Most Frequent Marginal Units
Discharge — sets the marginal EF
July — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 12 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.003 tCO₂/MWh. A higher value here pulls net RED down.
August 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
August 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
August 2025 — RED = 4,593 tCO₂
TGHGd=4,606 − TGHGc=12
August — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
August — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
August — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
August — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
August — Most Frequent Marginal Units
Discharge — sets the marginal EF
August — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 55 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.005 tCO₂/MWh. A higher value here pulls net RED down.
September 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
September 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
September 2025 — RED = 3,597 tCO₂
TGHGd=3,652 − TGHGc=55
September — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
September — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
September — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
September — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
September — Most Frequent Marginal Units
Discharge — sets the marginal EF
September — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 0 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.005 tCO₂/MWh. A higher value here pulls net RED down.
October 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
October 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
October 2025 — RED = 4,635 tCO₂
TGHGd=4,635 − TGHGc=0
October — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
October — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
October — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
October — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
October — Most Frequent Marginal Units
Discharge — sets the marginal EF
October — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
November 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
November 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
November 2025 — RED = 4,656 tCO₂
TGHGd=4,656 − TGHGc=0
November — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
November — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
November — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
November — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
November — Most Frequent Marginal Units
Discharge — sets the marginal EF
November — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
About TGHGc (charging emissions): TGHGc = 13 tCO₂ means the system's marginal generator during charging hours (10–13 CLT) was thermal some of the time. This is the expected conservative behavior of MADD — BESS charging raises demand, and if the marginal unit is CC/coal/gas, those emissions are induced. Average marginal EF during charge: 0.005 tCO₂/MWh. A higher value here pulls net RED down.
December 2025 — Hourly Displacement Detail (discharge)
Rows = discharge hours (CLT); cells coloured by tCO₂ displaced; hover shows per-tech MWh → tCO₂ breakdown
December 2025 — Hourly Induction Detail (charge)
Rows = charge hours (CLT); cells coloured by tCO₂ induced; white ≈ BESS charged from curtailed renewables (EF=0); orange ≈ thermal marginal
December 2025 — RED = 4,021 tCO₂
TGHGd=4,034 − TGHGc=13
December — Effective Discharge by Technology
% of MWh actually displaced by the BESS (sums to Bd)
December — Effective Charge by Technology
% of MWh supplied to BESS charging (sums to Bc)
December — Top 15 Displaced Units
by tCO₂ displaced by Bd (effective DORd only)
December — Top 15 Charging Units
by MWh absorbed by Bc (effective DORc only); induced tCO₂ ≈ 0 when filled with curtailed renewables
December — Most Frequent Marginal Units
Discharge — sets the marginal EF
December — Charging Marginal EF by Hour
each dot = one charging hour, colored by marginal tech
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