Page 23 - Annual Report 2023

11. Total Cost of Load Serving in Details
The cost of load serving includes four main terms: the cost of imported energy,
transmission usage cost, ancillary services cost, and energy cost. Figure 19
10. Demand and Total Cost
illustrates the seasonal load serving costs in detail. According to the chart, in each
season, the energy cost had the highest share in the total load serving cost.
Totally 346,500 GWh of electrical energy was traded in the spot market. EDCs
Subsequently, the transmission usage cost recorded the second highest
2
and RECs are the major active buyers within the spot market.
contribution. As expected, the total cost in summer is the highest one.
110,000
100,000
120,000
90,000
100,000
80,000
80,000
70,000
Bilion Rials
60,000
60,000
GWh
50,000
40,000
40,000
20,000
30,000
0
20,000
Fall
10,000
518
368
Reactive Cost
518
419
0
10,359
Transmission Usage Cost
10,154
10,521
9,730
Ancillary Services Cost
998
3,161
7,772
8,793
71,816
64,303
96,190
Energy Cost 140,000 Spring Summer 64,271 Winter Commented [IR6]: !ﺕﺳﻳﻧ ﻡﻫ ﻝﻭﺩﺟ ﻭ ﺭﺍﺩﻭﻣﻧ ﺭﺩ ؟ﻪﺗﺳﺭﺩ Spring Figure Summer Fall Winter 1

Other Cost 8,662 15,382 14,817 33,184 ﺩﺭﺍﺩ ﻖﺑﺎﻁﺗ 6 ﻝﮑﺷ ﺎﺑ یﺩﺎﻳﺯ ﻩﺯﺍﺩﻧﺍ ﺎﺗ ﺎﺗﻬﻳﺩﺑ : . Commented [IR5]
ﺩﻭﺷ ﻑﺫﺣ ﺕﺳﺍ ﺭﺗﻬﺑ
ﻭ
یﺎﻬﻠﮑﺷ ﻩﺭﺎﻣﺷ ﻼﺻﺍ ﺏﻗﺍﺭﻣ ﻑﺫﺣ ﺯﺍ ﺩﻌﺑ

Power Market Annual Report 1401 23
Figure 19: Total Cost of Load Serving in Details in Fiscal Year Power Market Annual Report 1401 19 ﺩﻳﺷﺎﺑ ﻥﺗﻣ ﺭﺩ ﺎﻬﻧﺁ ﻉﺎﺟﺭﺍ ﻭ یﺩﻌﺑ
12. Average Electricity Sale Price
12. Average Electricity Sale Price
Figure 20 depicts the average electricity sale price in the spot market. As is seen it shows a similar 160,000
Figure 20 illustrates depicts the average electricity sale price in the spot market.
trend to the purchase price in figure 12. 140,000
As is seen it shows a similar trend to the purchase price in figure 12.
120,000
1,550 100,000
Billion Rials
1,500 80,000
1,450 60,000
40,000
Rials per kWh 1,400 20,000
1,350
0
Fall
Spring
1,300 EDC 74,331 Summer 68,737 Winter
56,803
111,829
REC&TavanirCo 27,654 34,382 33,371 24,832
1,250
1,200 Figure 18: Buyer's Total Cost Payment in Spot Market
Spring Summer Fall Winter
Figure 20: Average Electricity Sale Price in the Spot Market in Fiscal Year 11. Total Cost of Load Serving in Details
The cost of load serving includes four main terms: the
13. Transmission Service 18 11. Total Cost of Load Serving in Details cost of imported energy, Commented [IR6]: !ﺕﺳﻳﻧ ﻡﻫ ﻝﻭﺩﺟ ﻭ ﺭﺍﺩﻭﻣﻧ ﺭﺩ ؟ﻪﺗﺳﺭﺩ

Electricity Distribution Company ancillary services cost, and energy cost. Figure 19
transmission usage cost,
The cost of load serving includes four main terms: the cost of imported energy, transmission
1
Regional Electricity Company
2
illustrates the seasonal load serving costs in detail. According to the chart, in each
Based on the regulations, the transmission payment is calculated based on the pre-defined tar- usage cost, ancillary services cost, and energy cost. Figure 19 illustrates the seasonal load serving
season, the energy cost had the highest share in the total load serving cost.
iffs for available capacity and also the energy passing through the transmission lines and pow- costs in detail. According to the chart, in each season, the energy cost had the highest share in
17

Subsequently, the transmission usage cost recorded the second highest
er transformers. The tariffs are designated annually to the different transmission voltage level the total load serving cost. As expected, the total cost in summer is the highest one.
(lines & transformers). contribution. As expected, the total cost in summer is the highest one.
140,000
Table 3: Total Transmission Companies Remuneration 120,000
Energy 100,000
Payment Availability Excess Payments Total (Billion Rials)
Transmission 80,000
March 2020 – March 2021 33.7% 5.5% 60.8% 98,964 Rials
March 2021 – March 2022 37% 6.3% 56.7% 92,243 Billion 60,000
March 2022 – March 2023 31.5% 5.5% 67% 112,142 40,000
20,000
Availability is a key factor that influences the remuneration of a transmission company. As is
seen in Table 3, it has a noticeable share in the total payment to the transmission companies. 0 Spring Summer Fall Winter
Excess payment consists of differed accounts, data loss penalties, and international electricity Reactive Cost 368 518 518 419
transaction remunerations. Transmission Usage Cost 10,154 10,521 9,730 10,359
7,772
998
Ancillary Services Cost
3,161
8,793
Energy Cost 64,303 96,190 64,271 71,816

Excess Availability Cost 8,662 15,382 14,817 33,184
Figure 19: Total Cost of Load Serving in Details in Fiscal Year
12. Average
Figure 20 illustrates depicts the average electricity sale price in the spot market.
As is seen it shows a similar trend to the purchase price in figure 12.
1,550
1,500
1,450
Rials per kWh 1,400
1,350
1,300
1,250
1,200
Spring Summer Fall Winter
Figure 20: Average Electricity Sale Price in the Spot Market in Fiscal Year
18