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2.2.1 INTRODUCTION
The aim of this section is to report the results of the greenhouse
gas (GHG) emission inventory for the year 1994. The following GHG
are of interest in the energy sector: carbon dioxide CO2, methane
CH4, nitrous oxide N2O, oxides of nitrogen NOx, carbon monoxide CO,
sulphur dioxide SO2 and non-methane volatile organic compounds (NMVOCs).
The inventory has focused on the following GHG related sources:
1- Electricity generation through the electric utility.
2- Private generation of electricity.
3- Manufacturing industries and construction.
4- Transport: road, domestic aviation, and national navigation.
5- Energy use in the residential sector.
6- Energy use in the commercial/institutional sector.
7- Energy use in the agriculture/forestry/fishing sector.
The fuel types taken into consideration are: gasoline, jet kerosene,
kerosene for household use, gas oil, diesel oil, fuel oil, LPG,
lubricating oil, coal, wood and charcoal (solid biomass). Care has
been taken to eliminate the fuel used by international marine and
aviation bunkers from the national inventory.
The amount of GHG released to the atmosphere has been estimated
using the IPCC methodology and emission factors [1,2]. Where
national emission factors differed from those of IPCC, the factors
are discussed. Complete documentation of compiled information and
data sources are attached to this report in the Appendix.
Finally, it is worth mentioning that both the reference approach and
analysis by source categories have been carried out and are reported
in this inventory.
2.2.2 ENERGY STATUS IN 1994
The energy sector in Lebanon plays an important role in the overall
development of the country. Apart from a modest amount of hydropower
and traditional energy (wood and charcoal), which together represent
less than 2 % of energy consumption, all energy in Lebanon is
derived from imported petroleum products and some coal (180000 T
used by two cement factories). Prior to the war, there were two
refineries in operation, but both were badly damaged and are
currently out of operation [3].
Total consumption of petroleum products in Lebanon in 1994 was of
3,830,628 Tons [3] covering the following types of fuel: gasoline,
gas oil, jet kerosene, LPG, fuel oil, bitumen, kerosene for domestic
use and lubricants.
A. The Petroleum Sector
The petroleum and gas sector is the responsibility of the Ministry
of Petroleum (MoP). The executing agency is the Directorate of
Petroleum, responsible for licensing import activities, import and
refining of crude oil, import of fuel oil, and setting prices for
petroleum products. Until 1988, the government retained a monopoly
over the petroleum market, but a number of private companies have
subsequently been authorised to import and distribute petroleum. A
total of 21 companies [3,8] are importing petroleum in addition to
the government and large industries. In addition to importing
companies, 84 private companies are involved in the distribution of
petroleum products to 2022 gas stations, responsible for the
distribution of petroleum products to end users.
B. The Electricity Sector
Electricity is supplied through the electric utility EDL (Electricite
du Liban), an autonomous state-owned entity under the jurisdiction
of the Ministry of Hydraulic and Water Resources (MHWR). The
electricity generating plants comprise the following units [4,8]:
- 15 hydro-electric plants having a combined capacity of 281 MW
constituting 19% of the total nominal capacity. The Awali plant is
the largest of these with 109.5 MW capacity.
- three major thermal plants with combined nominal capacity of about
1300 MW, comprising Zouk (61% of capacity), Jieh (26%) and Hrayshe
(13%).
In 1994, electricity production was evaluated at 5184 GWh [4](taking
into account network losses). Because EDL is unable to continuously
provide electricity, many domestic, industrial and commercial users
have supplemented EDL supplies with their own private generators.
The share of electric generation in Lebanon in 1994 was: EDL:66%,
Domestic and Commercial: 12% and Industry: 22% [4].
At present, the electricity sector in Lebanon is approaching the end
of a major rehabilitation program which resulted in refurbishing all
its physical components, and upgrading its generating capacity. EDL
will be subjected to an extensive extension program whereby modern
technologies, managerial skills and planning techniques will be
introduced in order to improve the efficiency and quality of
services.
C. The Transport Sector
Since 1993 transport functions have been the responsibility of the
Ministry of Transport (MoT) [8]. The Directorate General of Civil
Aviation and the Directorate General of Land and Marine Transport
operate under the MoT. The Railways and Public Transport Authority (RPTA),
which is an independent public authority also functions under the
supervision of the MoT. The classified road network in Lebanon is
made up of 6295 km of paved roads. This network includes 523 km of
international highways, 1640 km of major roads, 1352 km of secondary
roads and 2770 km of local roads. The size of the vehicle fleet in
Lebanon is estimated at 1.1-1.2 million. The rail system is made up
of 428 km but was badly damaged during the war. In 1994 the rail
system was not functioning [3]. |
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2.2.3
ESTIMATIONS OF EMITTED GREENHOUSE GASES USING THE REFERENCE APPROACH
The total amount of liquid secondary fuels that was imported to
Lebanon in 1994 was
3,830,628 Tons, broken down as shown in Table 2.9: |
|
Table 2.9. Fuel imports by type
|
|
Fuel Type |
Imports, Tons |
|
Gasoline [3,9,10] |
1243182 |
|
Jet kerosene [3] |
145910 |
|
Other kerosene [3] |
100 |
|
Gas/Diesel oil [3,8,9] |
818123 |
|
Fuel oil [3,8] |
1411014 |
|
LPG [5,6] |
146000 |
|
Bitumen [7] |
66000 |
|
Lubricants [6,8] |
299 |
|
|
|
|
|
The use of
solid fuel and biomass fuel is minor and confined to the use of
160000 Tons of wood [11], 1560 Tons of charcoal [7] and 180000 Tons
of coking coal [8]. The lubricants were estimated as follows [6,8]:
197 Tons used by EDL and 102 Tons used by private generators.
The conversion and carbon emission factors as well as the fraction
of carbon oxidised and stored used for all fuel types are those
recommended by the IPCC methodology.
Data on international bunkers in Lebanon were restricted to
international aviation because the amount of fuel that goes on
international marine has never been documented and is believed to be
minor [10]. Domestic aviation is almost non existent in Lebanon and
therefore all imported jet kerosene goes on international aviation
except for 1910 Tons used by few training planes [9].
The actual CO2 emissions as obtained from the reference approach are
shown in Table 2.10. |
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Table
2.10. Actual CO2 emissions from various fuels
|
|
Fuel Type |
Emissions, Gg |
|
Gasoline |
3821.03 |
|
Jet kerosene |
6.028 |
|
Other
kerosene |
0.318 |
|
Gas/Diesel
oil |
2599.35 |
|
Fuel oil |
4343.48 |
|
LPG |
431.26 |
|
Bitumen |
0 |
|
Lubricants |
0.436 |
|
|
|
|
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2.2.4
ESTIMATIONS OF EMITTED GREENHOUSE GASES USING THE SECTORAL APPROACH
This section reports the greenhouse gases emitted from various
sectors, namely, energy industries, manufacturing industries and
construction, transport, residential, commercial/institutional, and
agriculture/forestry/fishing. The conversion and carbon emission
factors as well as the fraction of carbon oxidized and stored used
for all fuel types are those recommended by the IPCC methodology.
A. Energy industries
In Lebanon, the term energy industries relates only to the electric
utility EDL. In this sector, the types of fuel used are gas/diesel
oil, fuel oil and lubricants as described by Table 2.11. Also Table
2.11 reports the CO2 emissions from the energy industry sector. |
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|
Table
2.11. Fuel types used by EDL
|
|
Fuel Type |
Quantity, Tons |
CO2
Emissions, Gg |
|
Gas/Diesel oil [3,4] |
48650 |
154.571 |
|
Fuel oil [3,4] |
11240770 |
3460.19 |
|
Lubricants [8,6] |
197 |
0.288 |
|
|
|
|
B. Manufacturing industries and construction
Table 2.12 describes the fuels used by this
category as well as the CO2 emissions. |
|
|
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Table
2.12. Fuel types used by the manufacturing industries and
construction
|
|
Fuel Type |
Quantity, Tons |
CO2
Emissions, Gg |
|
Gas/Diesel oil [8,3] |
425424 |
1351.66 |
|
Fuel oil [8,3] |
286944 |
883.291 |
|
LPG
[3,5 ] |
21060 |
62.208 |
|
Coking
coal [8] |
180000 |
467.248 |
|
Lubricants [8,6] |
102 |
0.1488 |
|
Municipal solid waste [12] |
1500 |
4.7658 |
|
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The
gas/diesel oil used in this sector was estimated at 52% of the total
fuel imported to the country
[8]. The fuel oil is calculated as the total imported minus
the
EDL consumption. The consumption of LPG by this sector is estimated
as follows: The total import of LPG is 146000 Tons [5]. Out of this
110360 Tons are used by households and 14580 Tons are used by the
commercial/institutional sectors. The remaining amount which is
21060 Tons is used in industry applications. Such estimations are
based on the assumption that the consumption of LPG and electricity
are similar. Figures for electricity consumption were taken from [6,
4].
The consumption of coking coal was taken from [8] and the lubricants
consumption is, as mentioned in section 1.3, about 34% of total
imported lubricants.
C. transport
In this
analysis, domestic aviation, road transport, national navigation and
international bunkers are reported. The types of fuel used under
this category are given in Table 2.13. |
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Table
2.13. Fuel types used by the transport sector
|
|
Fuel Type |
Quantity, Tons |
CO2
Emissions, Gg |
|
Gas/Diesel oil (road) [3] |
1242803.3 |
3819.872 |
|
Diesel oil (road) [3] |
40906 |
129.967 |
|
Jet
kerosene [3] |
1910 |
6.0285 |
|
Gasoline (navigation) [10.13] |
378.61 |
1.1636 |
|
Diesel oil (navigation) [10,13] |
29.2 |
0.0927 |
|
|
|
|
Information on international bunkers is restricted to international
aviation. The fuel used by the latter is 144000 Tons and the CO2
emissions are 454.507 Gg.
The consumption of gas/diesel oil is estimated
at:
- Road: 5% of total gas/diesel oil import
based on reference [8].
- Navigation: 29.2 Tons based on a field survey
covering the Saint George and Riviera Hotels [13].
The
consumption of gasoline by national navigation is 378.612 Tons also
obtained from the same field survey mentioned above. The consumption
of gasoline by road transport is the total minus the amount used by
national navigation.
D.
commercial / institutional sector
Table 2.14
describes the fuels used by this category as well as the CO2
emissions. |
|
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Table
2.14. Fuel types used by the commercial/institutional sector
|
|
Fuel Type |
Quantity, Tons |
CO2
Emissions, Gg |
|
Gas/Diesel oil |
57677 |
183.252 |
|
LPG |
14580 |
43.067 |
|
|
|
|
In this
table, the consumption of gas/diesel oil is mainly spent on space
heating. This is estimated at 7.05% of total gas/diesel oil import
based on reference [8,6]. The use of LPG in this sector is estimated
at 9.986% of the total LPG import to the country.
e.
residential
Table 2.15
describes the fuels used by this category as well as the CO2
emissions. |
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Table
2.15. Fuel types used by the residential sector
|
|
Fuel Type |
Quantity, Tons |
CO2
Emissions, Gg |
|
Kerosene [3] |
100 |
0.3183 |
|
Gas/Diesel oil |
65449 |
207.945 |
|
LPG |
110360 |
325.986 |
|
Charcoal [7] |
1560 |
5.363 |
|
Wood (solid biomass) [11] |
160000 |
257.857 |
|
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In this
table, the consumption of gas/diesel oil is mainly spent on space
heating. This is estimated at 8% of total gas/diesel oil import
based on reference[8,6 ]. The use of LPG is estimated at 75.59% of
the total LPG import to the country. The consumption of wood is
based on the assumption that 5% of the existing 800,000 Lebanese
families use wood at a rate of 4 Tons per year [11]
F.
agriculture / forestry / fishing
In this
sector, only gas/diesel fuel is used under the stationary category.
This accounts for 22% of total gas/diesel oil import based on
reference [8]. Table 2.16 describes the fuel consumption as well as
the CO2 emissions. |
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Table 2.16. Fuel types
used by agriculture/forestry/fishing
|
|
Fuel Type |
Quantity, Tons |
CO2
Emissions, Gg |
|
Gas/Diesel oil |
179987 |
571.857 |
|
|
|
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2.2.5
VERIFICATIONS
Since in this inventory two approaches are followed, there is a need
to verify the results in order to be sure that they match. This can
be confirmed by comparing the results of the sheets related to the
reference approach with the results documented in the sheets
entitled “Review”, where information has been collected from various
sectors.
2.2.6 SUMMARY OF INVENTORY RESULTS
As a summary, tables 2.17 to 2.21 provide information on fuels used
and GHG emissions by fuel source, by fuel type, by sector and by
non-CO2 emissions. |
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Table
2.17. Summary of results by fuel source
|
|
Fuel type |
consumption, tj |
CO2 ,
gg |
|
Gasoline |
55694.55 |
3821.03 |
|
Jet kerosine |
85.166 |
6.0285 |
|
Kerosene |
4.475 |
0.318 |
|
Gas/diesel oil |
35449.23 |
2599.35 |
|
Fuel oil |
567708.65 |
4343.48 |
|
LPG |
6907.26 |
431.261 |
|
Lubricants |
12.053 |
0.437 |
|
Coking coal |
5040 |
467.248 |
|
Municipal solid
wastes |
64.995 |
4.765 |
|
Charcoal |
46.64 |
5.363 |
|
Wood (Solid
Biomass) |
2400 |
257.85 |
|
International
Bunkers |
6420.96 |
454.50 |
|
|
|
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Table 2.18. Summary of
results by fuel type
|
|
Fuel
type |
consumption, tj |
CO2 ,
gg |
|
Total
liquid fuel (including LPG) |
15492636 |
11206.68 |
|
Total
solid fuel |
5040 |
467.248 |
|
Total
biomass |
2446.64 |
263.221 |
|
|
|
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Table
2.19. Summary of results by sector
|
|
Sector |
CO2 ,
gg |
|
Energy
Industries |
3615.05 |
|
Manufacturing
Industries and Construction |
2774.09 |
|
Transport |
3957.12 |
|
Commercial/Institutional |
226.319 |
|
Residential |
534.25 |
|
Agriculture/Forestry/Fishing |
571.857 |
|
International
Bunkers |
454.507 |
|
|
|
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Figures
2.12 and 2.13 show the percentage contribution of CO2
emissions by fuel sources and fuel types respectively. Figure 2.14
provides information on percentage contribution of various sectors
to CO2 emissions. The percentage contribution of various
sectors to non-CO2 emissions are shown in Figs.
2.15-2.20. |
|
|
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Fig. 2.12
Contribution of fuel sources to CO2 emissions
|
|
 |
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Fig. 2.13
Contribution of fuel types to CO2 emissions
|
|
 |
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Fig. 2.14
Contribution of various sectors to CO2 emissions.
|
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 |
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Fig. 2.15
Contribution of various sectors to CH4 emissions.
|
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 |
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Fig.2.16
Contribution of various sectors to N2O emissions.
|
|
 |
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Fig. 2.17
Contribution of various sectors to NOx emissions.
|
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 |
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Fig. 2.18
Contribution of various sectors to CO emissions.
|
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 |
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Fig. 2.19
Contribution of various sectors to NMVOC emissions.
|
|
 |
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Fig. 2.20
Contribution of various sectors to SO2 emissions.
|
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Table
2.20. Summary of results of non-CO2 emissions, Gg
|
|
Sector |
CH4 |
n2o |
nox |
co |
nmvoc |
|
Energy
Industries |
0.1418 |
0.0283 |
9.4584 |
0.77093 |
0.2364 |
|
Manufacturing Industries and Construction |
0.11545 |
0.02517 |
7.6684 |
1.0862 |
0.2559 |
|
Transport |
|
|
|
|
|
|
Road |
1.122 |
0.0344 |
34.824 |
447.193 |
83.87708 |
|
Domestic Aviation |
4.2583x10-5 |
0.0001770 |
0.0255 |
0.00856 |
0.00425 |
|
Domestic Navigation |
9.11 x10-5 |
1.094x10-5 |
0.0273 |
0.01822 |
0.00364 |
|
Commercial/Institutional |
0.0284 |
0.001568 |
0.2844 |
0.08447 |
0.01594 |
|
Residential |
1.4990 |
0.0214 |
1.0281 |
24.564 |
2.9153 |
|
Agriculture/Forestry/Fishing |
0.0779 |
0.00467 |
0.7798 |
0.1559 |
0.0389 |
|
Total |
2.9817 |
0.1157 |
54.0959 |
473.711 |
87.3411 |
|
International Bunkers |
0.0032105 |
0.0128419 |
1.926288 |
0.642096 |
0.321048 |
|
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Table
2.21. Summary of results of SO2 emissions, Gg
|
|
Sector |
so2 |
|
Energy Industries |
45.021 |
|
Manufacturing
Industries and Construction |
24.667 |
|
Transport |
2.679 |
|
Commercial/Institutional |
1.130 |
|
Residential |
2.579 |
|
Agriculture/Forestry/ Fishing |
3.528 |
|
Total |
79.603 |
|
International
Bunkers |
0.1411 |
|
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Click here to view
Table 2.22 |
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References:
[1]. The revised 1996 IPCC guidelines for national Green House Gas
Inventory. Reference Manual, (Vol. 3).[2]. The revised 1996 IPCC
guidelines for national Green House Gas Inventory. Work book, (Vol.
2).
[3]. Bank of Lebanon. Annual Report (in Arabic), 1994.
[4]. Electricity in Lebanon, EDL (in Arabic), 1997.
[5]. Communication with Mr. S. Chehab, President, ALME, Menages
Urbains, Bilan Energetique, 1995.
[6]. Communication with Mr. S. Abi Said, Director, Department of
Studies, EDL.
[7]. Republique Libanaise, Presidence du Conseil des Ministres,
Administration Centrale de la Statistique, “Bulletin Statistique”.
No. 95/4, 1995.
[8]. Environmental Resource Management. Final Report on the State of
the Environment in Lebanon. Funded by the World Bank. 1993.
[9]. Communication with the Director of Fuel Department, Beirut
International Airport.
[10]. Communication with the Directors of Ports of Beirut, Saida,
and Tripoli.
[11]. Survey made by Dr. R. Chedid at AUB.
[12]. Communication with Mr. M. Sleiman, CDR.
[13]. Communication with the Directors of Saint George and Riviera
Hotels. |
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