4.3.

Energy Efficiency and Energy Saving

Партизанская ГРЭС

Energy efficiency and energy saving is a must for a successful and responsible business. In the context of increasing prices for energy, the activities for energy saving help to effectively manage costs. Furthermore, efficient use of energy helps to decrease greenhouse gas emissions, which is a strategic necessity in times of global warming.

Government, as the major shareholder of RusHydro, gives energy companies the task to increase energy security and decrease energy intensity. The State programme “Energy efficiency and energy development”, which was adopted in 2014, prescribes three main aspects of efficiency increasing in the use of all types of resources:

  • energy saving and energy efficiency increasing;
  • development and modernization of electric power industry;
  • development of the use of alternative renewable sources of energy.

Energy efficiency is the increase in production volumes while maintaining the initial energy spending. This effect can be achieved by implementing up-to-date technologies.

Energy saving is the decrease in the energy spending while maintaining the initial output. It can be reached by updating the equipment and reducing non-productive heat loss.

4.3.1. Energy Saving and Energy Efficiency Program of PJSC RusHydro

In 2015, the Programme for Energy Saving and Energy Efficiency Improvement for the period up to 2020 was approved by PJSC RusHydro. It contains the list of primary works to increase efficiency of the use of energy and water resources, and a number of priority energy-saving solutions. In 2017, the Program was updated in accordance with the results of the examination conducted by the Ministry of Energy of the Russian Federation and due to the change in the requirements of regulatory legal acts. The updated Program was designed based on the results of energy audits, conducted in 2010-2016.

Volume of consumption for own needs of PJSC RusHydro, by type of energy resource

 Volume of consumption in physical termCost of consumption, thousand rub.
Type of energy resource2014201520162016
Heat, Gcal23,61925,29318,66224,341
Electricity, mln kWh1,191.3811,207.4811,301.139983, 956
Gasoline, l737,7261,8422,4983
Diesel fuel, l392,12917,95511,391377
Natural gas, m355,41758,71640,241266

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In 2016, the value of own electricity consumption amounted to 1,292,184.31 thousand kWh. The share of own consumption in the annual output, which amounted to 90,279,428 thousand kWh, was 1.4 %. The similar value in 2015 was 1.6 %, in 2014 – 1.5 %

In 2015-2016, the volume of oil and diesel fuel consumed (related to PJSC RusHydro) decreased significantly due to separation of transportation units (they were allocated from subsidiaries to a separated affiliated company).

Specific energy consumption in the PJSC RusHydro’s branches, by HPPs

 Energy consumption, mln kWhEnergy production, mln kWhSpecific energy consumption, %
Bureyskaya HPP146.5317,052.702.1 %
Zeyskaya HPP246.9466,407.523.8 %
Novosibirskaya HPP25.5872,249.741.1 %
Sayano-Shushenskaya HPP238.80826,958.120.8 %
Kamskaya HPP25.6091,926.541.3 %
Votkinskaya HPP62.9132,873.172.2 %
Cascade of Verkhnevolzhskiye HPPs21.5351,191.361.8 %
Nizhegorodskaya HPP19.2561,491.621.3%
Cheboksarskaya HPP57.6711,989.452.9%
Zhigulevskaya HPP90.28410,670.870.8 %
Saratovskaya HPP88.5165,512.491.6%
Volzhskaya HPP121.27311,841.361%
Zagorskaya PSPP53.991,875.352.9 %
Cascade of Kubanskiye HPPs27.4301,363.432%
Karachay-Cherkessia branch4.97989.685.6 %
Kabardino-Balkarian Branch7.221503.471.4 %
Northern Ossetian Branch5.652174.873.2 %
Dagestan branch48.2436,107.710.8 %
TOTAL1,292.18490,279.431.4 %

The total effect of the activities for energy efficiency increase in PJSC RusHydro amounted to 101,048 thousand kWh, equivalent to 34,356 CT.t.

Over 2016, the implementation of the Program for Energy Saving and Energy Efficiency Improvement helped to save 38,033 thousand kWh for own needs. Additional production following the special activities implementation amounted to 63,015thousand kWh.

Moreover, in 2016, due to selection of the most efficient equipment, optimization of the repairing campaign, operation of the HPPs at the exceed values of pressure heads in relation to long-time average annual values and decrease in sterile spills by redistribution of the reserves of the automatic secondary regulation to the other HPPs of the cascade, an additional electricity generation is ensured in the volume of 1,153 million kWh, which is equivalent to fuel saving in the volume of 397.6 CT.t. of fuel per year.

See the detailed information on the main activities of the PJSC RusHydro’s Program for Energy Saving and Energy Efficiency in 2015 Corporate Social Responsibility and Sustainability Report of RusHydro Group.

4.3.2. Energy consumption and energy efficiency of RAO ES of the East

ENERGY CONSUMPTION

As primary energy sources, the companies of RAO ES of the East use mostly coal, natural gas and mazout. Apart from this, other types of fuel are used, such as diesel, kerosene and wood. In 2016, total energy consumption of the Holding (primary non-renewable energy sources) amounted to 438,916,239 GJ (121,921.177 GWh).

RAO ES of the East does not consume energy from primary renewable energy sources.

Energy consumption by RAO ES of the East (by primary non-renewable energy source)

Energy sourceEnergy consumption, GJ
Coal248,316,065
Natural gas181,306,175
Mazout4,185,366
Other5,108,633
Total438,916,239

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In general, the fuel balance of TPPs, included in RAO ES of the East, did not undergo significant changes. Maintaining the consumption of natural gas helps to reduce GCG emissions and waste slag, and therefore, to enhance environmental situation in the regions of operation.

All in all, in 2016, the need for fuel of TPPs fell insignificantly due to the decrease in energy production as compared to 2015. Meanwhile, a vast part of energy was produced by JSC “FEGC”.

The share of JSC “FEGC” in the energy production of the Unified Energy System of East amounted to 63.6 % in 2016, and to 71.9% in 2015. The decrease of the share was caused by the increased load of the HPPs of PJSC RusHydro due to a significant seasonal inflow in 2-3 quarters of 2016.

The increase in load of the HPPs and, as a result, the discharge of TTPs of JSC “FEGC”, resulted in the decline of actual energy production in 2016.

Средняя эффективность выработки электроэнергии теплоэлектростанций в разбивке по видам топлива и режиму регулирования

Energy sourceEfficiency of energy production
WMEP /regulated tariffs
Coal43.3 %
Coal, natural gas42.28 %
Natural gas, mazout36%
RMEP/regulated tariffs
Coal14.43 %
Natural gas, mazout21.3 %
Diesel fuel1.8 %
Coal, diesel fuel, alternative energy sources15.6 %
Natural gas37.7%
Coal, natural gas48.4%
Water0.4 %

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ENERGY EFFICIENCY IMPROVEMENT

One of the main goals in the development of the energy sector of the Far East is energy saving and energy efficiency improvement.

Total output of energy amounted to 34,602.3 kWh, and energy transmission losses – 10.4 % of total volume (3,604.7 kWh).

In order to enhance quality and efficiency of business activities, the Policy of energy saving and energy efficiency improvement of RAO ES of the East was adopted in 2015 by PJSC RAO ES of the East. In 2016, 12 subsidiary companies of PJSC RAO ES of the East joined this Policy following the relevant decisions by the Boards of Directors. Consolidated Energy Saving and Energy Efficiency Improvement Program of RAO ES of the East for 2017-2021was developed and adopted (decree No.116 of 30.08.2016).

Energy saving and energy efficiency improvement activities are carried out as part of the adopted programs: investment, repair, reliability improvement and production performance programs, local energy optimization programs, electric and heat energy recovery programs, programs for installation and renovation of metering systems at company facilities and consumers, etc. In order to execute the assigned tasks, Holding implements projects in energy saving automation and introduction of the energy management system.

The Holding’s Technical Policy is aimed at improving industrial efficiency and energy resource saving, which can be achieved by installing up-to-date technologies, developing effective modes of equipment loading, and a more complete use of energy sources with a more cost-saving equipment after its reconstruction and modernisation.

The main areas of energy efficiency improvement in the Holding are:

  • conversion of the main generating facilities to gas (if possible);
  • use of up-to-date gas turbine units and CCGT units;
  • modernisation and construction of new capacities with up-to-date technologies.

Moreover, construction and expansion of power generation facilities as part of the investment programs will enable the Holding’s companies to save sufficient amount of fuel and energy resources.

Average efficiency of energy production of TPPs by energy source and control mode

 Fuel2016
WMEP /regulated tariffs
JSC “FEGC”45.5 %
Nerunginskya TPPcoal64.0 %
Chulmanskaya CHPPcoal17.6 %
Raychikhiskaya TPPcoal48.2 %
Blagoveshenskaya CHPPcoal49.7 %
2nd stage of the Blagoveshchenskaya CCHPcoal35.2 %
Khabarovskaya CHPP-1coal, natural gas41.0 %
Khabarovskaya CHPP-3coal, natural gas51.0 %
Komsomolskiye CHPPs-1,2coal, natural gas47.3 %
Komsomolskaya CHPP-3natural gas46.0 %
Amurskaya CHPP-1coal, natural gas27.2 %
Maya TPPcoal31.3 %
Nikolaevskaya CHPPnatural gas, mazout25.9 %
Primorskaya TPPcoal38.8 %
Partizanskaya TPPcoal46.4 %
Vladivostok CHPP -2coal, natural gas44.9 %
Artyomovskaya CHPPcoal58.9 %
RMEP/regulated tariffs
PJSC Kamchatskenergo27.8 %
CHPP-1natural gas, mazout11.1 %
CHPP-2natural gas, mazout52.7 %
Central Energy Grid DPPdiesel fuel0.4 %
JSC SENKcoal, diesel fuel, wind22.8 %
PJSC Magadanenergo5.8 %
Arkagalinskaya TPPcoal1.2 %
Magadanskaya CHPPcoal16.6 %
JSC Chukotenergo17.1 %
Anadyrskaya CHPPcoal12.7 %
Anadyrskaya Gas Engine CHPPnatural gas21.0 %
Chaunskaya CHPPcoal17.5 %
Egvenkinotskaya TPPcoal20.5 %
PJSC Sakhalinenergo45.8 %
Sakhalinskaya TPPcoal18.1 %
Yuzhno-Sakhalinskaya CHPP-1coal, natural gas50.9 %
steam turbine equipmentcoal, natural gas45.9 %
5th power unit of Yuzhno-Sakhalinskaya CCHP-1natural gas44.6 %
4th power unit of Yuzhno-Sakhalinskaya CCHP-1natural gas63.2 %
JSC Novikovskaya DPPdiesel fuel4.4%
PJSC Yakutskenergo37.0%
Yakutskaya TPPnatural gas49.6%
Yakutskaya CHPPnatural gas52.1%
Central electric grid DPPwater0.4%
Western electric grid DPPdiesel fuel0.5%
JSC Sakhaenergocoal, diesel fuel, sun16.3%
PJSC Mobile energy (Peredvizhnaya Energetika)13.4%
Labytnangi (Mobile PP)natural gas, wind7.7%
Kyzym (Mobile PP)natural gas11.1%
Urengoy (Mobile PP)natural gas22.2%

KEY ACTIVITIES IN THE FIELD OF ENERGY SAVING IN 2016

One of the main challenges confronting the Holding is the equipment’s depreciation and obsolescence, which leads to low efficiency. Thus, specific consumption of the equivalent fuel of Maya TPP amounts to 798.8 g/kWh; of the Sakhalinskaya TPP – 570.3 g/kWh, while an up-to-date standard of the specific consumption for effective generation amounts to 298 g/kWh. Therefore, among key activities for improving energy efficiency of RAO ES of the East in 2016, there were:

  • reconstruction of generating equipment (turbine units, boiler units, auxiliary equipment)
  • reconstruction of boiler plants (including replacement of boilers),
  • comprehensive renovation of equipment at heat supply stations;
  • renovation of conduits using efficient heat insulation;
  • modernisation and repair of equipment resources during planned maintenance;
  • substitution of capacities of inefficient generation facilities in operation by means of construction and reconstruction of DPP, construction of stand-alone solar power plants;

The other activities for energy saving include:

  • introduction of an Automated Technological Process Control System
  • replacement of wires at overloaded power lines with heavy-gauge wires, replacement of OHLs with self-supporting insulated wires;
  • replacement of underloaded and overloaded transformers;
  • installation of commercial metering devices of thermal and electric energy
  • modernisation and deployment of automated information-measuring system of commercial electricity metering.

In 2016, the costs related to the activities in accordance with approved programs of energy saving and energy efficiency improvement of the PJSC RAO ES of the East enterprises amounted to 1,065.3 million rubles.

Economic effect from the activities’ implementation in terms of programs of energy saving and energy efficiency improvement amounted to 358 million rubles.

4.3.3. Other activities in the field of energy saving

The possibility to accurately predict volumes of electricity produced in the medium and long terms is an important condition for control optimization over the entire system. In this regard, the Group is constantly improving its own forecasting system.

See the detailed information on improvements of the forecasting system in 2016 Annual Report of PJSC RusHydro.

In accordance with the scheduled energy inspections of the PJSC RusHydro’s branches in 2016, energy audits of seven facilities on the following branches were carried out: the Bureyskaya HPP, the Zeyskaya HPP, Cascade of Verkhnevolzhskiye HPPs, the Nizhegorodskaya HPP and the Novosibirskaya HPP. For all branches audited, the Company has developed energy certificates, as well as energy saving and energy efficiency programs and reports with recommendations.

The RusHydro’s areas of responsibility include encouraging customers to modify patterns of electricity use (demand-side management). RusHydro initiates and participates in several thematic events:

  1. In September 2016, the Company took part in all-Russian festival of energy saving #VmesteYarche (“Brighter Together”). The key event of the festival was the Energy Saving Holiday, held in Moscow on 10th September. The main branches and subsidiaries of RusHydro Group also took part in the festival. Together with local governments, they organized open doors days, lectures and classes on energy saving, contest of thematic essays and drawings, and guided tours to HPPs. The Group also conducted All-Russian energy saving class in more than 80 schools, lyceums, centres of complementary education and orphanages. More than 3800 people took part in this class.
  2. In 2016, the 8th All-Russian contest for journalists and bloggers “Energy of Water” was held. The goal of the contest was to draw attention of the Russian media to the topics of renewable energy sources, popularisation of hydropower, improvement of energy efficiency. Over 50 bloggers and journalists took part in the contest, and more than 80 works were presented.
  3. Branches of PJSC RusHydro give classes on energy saving for schoolchildren.

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