数据表

D.1 Executive summary

Table D.1 Data for Figure ES.1: Phase 1 fits the port substation’s shared first 100 MW; 1 Mtpa needs its later stage (status: derived)

Source: Cameroon Steel reference configuration RC-1 (planning estimate) [S07], average loads at 450 to 490 kWh/t in the furnace; PAK [S14][S15]; ARSEL 2025 [S01]; Business in Cameroon, 9 October 2026 [S02].

D.2 Chapter 1, energy in steel economics

Table D.2 Data for Figure 1.1: Scrap-fed electric steel needs 10% to 40% of the energy of ore-based routes (status: sourced)

Source: worldsteel [S34]; IEA [S35].

Table D.3 Data for Figure 1.2: Melting is the largest electricity use: 350 to 500 kWh per tonne of liquid steel in a modern furnace (status: sourced)

Source: [S36][S37][S38][S39][S07]; upper value derived (Annex A).

D.3 Chapter 2, Cameroon’s power system

Table D.4 Data for Figure 2.1: Hydro supplied nine-tenths of Cameroon’s electricity in 2025 (status: sourced)

Source: ARSEL 2025 [S01].

Table D.5 Data for Figure 2.2: Cameroon has 755 MW of capacity above its peak, yet 150 MW of industrial demand is unserved (status: sourced)

Source: ARSEL 2025 [S01]; ARSEL forecast decision 2025 [S63]; Business in Cameroon [S02].

Table D.6 Data for Figure 2.3: Kribi sits at the southern end of the hydro-based southern grid (status: sourced)

Source: OpenStreetMap contributors, extract of 10 October 2026 [S60].

D.4 Chapter 3, tariffs and contracting

Table D.7 Data for Figure 3.1: No price is published for a 50 MW load: the benchmarks span 18 to 105 FCFA/kWh (status: derived)

Source: [S01][S03][S04][S53].

Table D.8 Data for Figure 3.2: Under a capacity-plus-energy tariff, a peaky load pays about a third more per kWh (status: derived)

Source: ARSEL MV tariff tables, 9 to 10 MW band, escalated by 1.331 to 2026 [S03]; Cameroon Steel reference configuration RC-1 (planning estimate) [S07]; derived.

D.5 Chapter 4, power quality for arc furnaces

Table D.9 Data for Figure 4.1: An arc furnace draws power in violent pulses, worst during bore-in (status: illustrative)

Source: Cameroon Steel illustration from RC-1 values [S07].

Table D.10 Data for Figure 4.2: The arc furnace and its compensator share one busbar, behind a strong 225 kV connection (status: illustrative)

Source: Cameroon Steel reference configuration RC-1 (planning estimate) [S07]; illustrative diagram.

Table D.11 Data for Figure 4.3: A furnace of the 30 to 33 MVA class needs a 2,000 to 7,000 MVA connection to stay within flicker limits (status: derived)

Source: simplified screening relation (Annex A); Kst 48 to 85 according to the UIE, as cited in [S12]; SscF about twice the rating of a transformer of the 30 to 33 MVA class (assumed); planning level 0.8 [S13]; derived from the requirement rounded to one significant figure (Pst99 = 0.8 x requirement / short-circuit power).

D.6 Chapter 5, Kribi’s power infrastructure

Table D.12 Data for Figure 5.1: A dedicated 225 kV line will bring firm supply 42 km from the Kribi gas plant to the port (status: sourced)

Source: PAK [S14][S15]; Engineering News [S64]; OpenStreetMap [S60].

Table D.13 Data for Figure 5.2: A dedicated 225 kV connection keeps the furnace’s disturbances off the zone’s shared network (status: illustrative)

Source: Cameroon Steel analysis; PAK [S14].

D.7 Chapter 6, natural gas

Table D.14 Data for Figure 6.1: Hilli’s exit removes a 72 bcf/yr buyer; plausible uses at Kribi total about 20 to 36 bcf/yr (status: derived)

Source: SNH 2025 [S05]; ARSEL 2025 [S01]; Cameroon Steel reference configuration RC-1 (planning estimate) [S07]; [S39][S41]; derived.

Table D.15 Data for Figure 6.2: Power-sector gas sold at about US$3.2/Mscf in 2025, industry paid about US$5.0 to 5.6 (status: derived)

Source: SNH 2025 [S05][S92]; [S87]; derived conversions.

D.8 Chapter 7, gas for direct reduction

Table D.16 Data for Figure 7.1: A 1 Mtpa DRI plant would burn about 9 bcf a year, nearly twice the Kribi power plant’s 2025 use (status: derived)

Source: [S39][S41][S94][S05]; derived.

Table D.17 Data for Figure 7.2: At Cameroonian gas prices, fuel costs US$27 to US$51 per tonne of DRI (status: derived)

Source: [S05][S39][S41][S18][S99]; derived.

D.9 Chapter 8, renewables and storage

Table D.18 Data for Figure 8.1: Cameroon’s grid emits half the world average per kWh and a third of Indonesia’s (status: sourced)

Source: Our World in Data, Ember data [S10].

Table D.19 Data for Figure 8.2: A solar plant at Kribi would yield about 1,335 kWh per kWp a year, a 15% capacity factor (status: sourced)

Source: JRC PVGIS v5.3 [S19]; capacity factor 15.2%; optimal slope 6 degrees.

Table D.20 Data for Figure 8.3: A 50 MWp solar array would cover Phase 1 load only around midday (status: illustrative)

Source: [S19]; Cameroon Steel reference configuration RC-1 (planning estimate) [S07]; illustrative.

D.10 Chapter 9, an energy plan for an electric steelworks

Table D.21 Data for Figure 9.1: Electricity demand rises from 0.29 TWh in Phase 1 to 0.75 TWh at 1 Mtpa; melting is half to two-thirds of the total (status: derived)

Source: Cameroon Steel reference configuration RC-1 (planning estimate) [S07]; derived.

Table D.22 Data for Figure 9.2: Phase 1 load would swing between about 16 and 51 MW within each hour (status: illustrative)

Source: Cameroon Steel illustration from RC-1 benchmarks [S07]; furnace active power capped at about 30 MW; not a forecast.

D.11 Chapter 10, policy recommendations

Table D.23 Data for Figure 10.1: The energy milestones Cameroon and an electric steelworks must meet, 2026 to 2036 (status: illustrative)

Source: [S02][S14][S68][S16][S108][S109][S07].