Energy Archives - Page 7 of 8

Parabolic trough plant Bokpoort

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Sener Energy / Renewable and Low-Carbon Solutions Generation / Solar / South Africa

Parabolic trough plant Bokpoort

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Client: Acwa Power

Country: South Africa

Bokpoort 50 MW project is the first Concentrating Solar Power (CSP) plant in South Africa using a large capacity of storage (slightly above 9 hours), focused on 24/7 production during Spring and Summer while having the capacity of Peak production during Autumn and Winter seasons. This design results in a facility with a very high annual capacity factor, actually higher than 50%.

Project data:
Technology: Parabolic trough collector, SENERTrough®.
Generation capacity: 50 MWe net power.
Thermal storage capacity: 1,300 MWth
Thermal storage capacity (equivalent hours of turbine operation): 9 h.

Project data:
Technology: Parabolic trough collector, SENERTrough®.
Generation capacity: 50 MWe net power.
Thermal storage capacity: 1,300 MWth
Thermal storage capacity (equivalent hours of turbine operation): 9 h.
Number of loops: 180.
Total reflective area: 588,600 m².
Surface area of the solar field: 350 ha.
Heat transfer fluid: HTF.
Contract type. EPC.
Electricity delivery to 54,000 household.
CO₂ emission savings: 57,000 tons/year.
Consortium: SENER, Acciona, TSK & Crowie.

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Parabolic trough plant Casablanca

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Sener Energy / Renewable and Low-Carbon Solutions Generation / Solar / Spain

Parabolic trough plant Casablanca

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Client: COBRA Sistemas y Redes (ACS)

Start date: 2011, January

Country: Spain

End date: 2013, January

Power generation plant of 50 MW located in Talarrubias, Badajoz, Spain.

The technology of the plant is parabolic through collectors. The owner is COBRA Systems y Reds (ACS). Sener is the EPC risk sharing partner and responsible for the complete design.

Project Data:
Total mirror surface: 510.000 m².
Number of SCA/loops: 624/156 (SENERtrough®).
Field surface area: 195 Ha.
Nominal solar field thermal output: 262 MWt.
Thermal Storage Capacity: 1.010 MWht (7h).
Turbine capacity: 50 MWe.
Contract type: EPC.

Power generation plant of 50 MW located in Talarrubias, Badajoz, Spain.

The technology of the plant is parabolic through collectors. The owner is COBRA Systems y Reds (ACS). Sener is the EPC risk sharing partner and responsible for the complete design.

Project Data:
Total mirror surface: 510.000 m².
Number of SCA/loops: 624/156 (SENERtrough®).
Field surface area: 195 Ha.
Nominal solar field thermal output: 262 MWt.
Thermal Storage Capacity: 1.010 MWht (7h).
Turbine capacity: 50 MWe.
Contract type: EPC.

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Mérida biomass plant

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Sener Energy / Renewable and Low-Carbon Solutions Generation / Biomass / Spain

Mérida biomass plant

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Client: ENCE, ENERGIA Y CELULOSA, SA

Country: Spain

Sener has developed the turnkey project for a biomass power generation plant in Mérida (Badajoz). The contract included the design, procurement, construction and commissioning of the plant, as well as its operation and maintenance for the first two years of exploitation. The annual production of this plant, which generates renewable energy from biomass (forest and energy crops), will be around 160 GWh, with a nominal power of 20 MW. The plant, which will mainly operate with poplar and eucalyptus, will be operational as of the third quarter of 2014.

biomass power generation plant of 22,5 MWe, with a nominal power of 20 MW
Annual production of renewable energy from biomass, will be around 160 GWh
Mérida Biomass Plant includes Sener high efficiency developments

Mérida Biomass Plant includes Sener high efficiency developments. These improvements have made posible that the reheating steam turbine could be competitive for this power sizes. The Project will include one firing boiler equipped with an air cooled grate and one reheating steam turbine. Circulating water circuit is cooled by Mechanical draft cooling towers.

PROjECT data:
Biomass Firing Power Plant 22,5 MWe.
One firing boiler equipped with an air cooled grate and one reheating steam turbine.
Circulating water circuit is cooled by mechanical draft cooling towers.
Contract type: EPC.
Scope: Basic and detailed engineering, procurement, supply, construction, start up and first two years of operation and maintenance.

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Norte combined cycle plant, Durango (Mexico)

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Sener Energy / Thermal Generation / CCGT – Combined Cycle Gas Turbines / Mexico

Norte combined cycle plant, Durango (Mexico)

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Client: Union Fenosa – CFE

Start date: 2007, January

Country: Mexico

End date: 2010, January

Comisión Federal de Electricidad (CFE) adjudged to the company Unión Fenosa Internacional (UFI) the contract of the 450 Mw combined cycle power plant Norte, in Durango (Mexico). It is an Independent Power Producer (IPP) contract model for 25 years between CFE and UFI.

UFI, as well, contracted the consortium UTE CC Norte, formed by Cobra (75%) and Sener (25%), the EPC (Engineering, Procurement and Construction) the plant construction.

Sener was responsible for basic engineering and detailed engineering and participated in the LSTK.

UFI, as well, contracted the consortium UTE CC Norte, formed by Cobra (75%) and Sener (25%), the EPC (Engineering, Procurement and Construction) the plant construction.

Sener was responsible for basic engineering and detailed engineering and participated in the LSTK.

The power plant includes two Siemens gas turbines (501F), two heat recovery steam generators, one Siemens steam turbine, one air cooled condenser and all the required auxiliary systems.

Additionally, the scope includes the main water pipe, that will be around 38 km long, to feed with raw water the plant.

The power plant has been running since 2010.

PROJECT Data:
Combined Cycle Power Plant 450 MWe, including two (2) SIEMENS (501F), Gas Turbines, SIEMENS Steam Turbine and Air Cooled Condenser.
Contract type: EPC.
Scope: Basic Engineering, Detail Engineering and participation in the EPC.
Partners: COBRA.

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Parabolic trough plant Ilanga 1

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Sener Energy / Renewable and Low-Carbon Solutions Generation / Solar / South Africa

Parabolic trough plant Ilanga 1

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Client: KAROSHOEK SOLAR ONE Ltd

Country: South Africa

Parabolic trough plant Ilanga 1, Upington, Northern Cape, South Africa.

Ilanga 1 is a 100 MWe thermosolar plant with 266 loops using SENERtrough® parabolic troughs designed and patented by Sener and with a thermal storage capacity of 1,250 MWth, five hours, thanks to the use of a molten salt storage system. Once in operation, it will be able to supply electricity to over 86,000 homes.

Sener is taking part in the turnkey construction of the plant, carrying out the engineering work, purchase management, building and start-up,

Parabolic trough plant Ilanga 1, Upington, Northern Cape, South Africa.

Sener is taking part in the turnkey construction of the plant, carrying out the engineering work, purchase management, building and start-up, as well as forming part of the O&M consortium (Operation and Maintenance) which will operate and maintain the plant once it enters into operation.

Project data:
Technology: Parabolic trough collector, SENERtrough®.
Generation capacity: 100 MWe net power.
Nominal solar field thermal output: 463.7 MWt.
Thermal storage capacity: 1,250 MWht.
Thermal storage capacity (equivalent hours of turbine operation): 5 h.
Number of SCA/loops: 1,064/266.
Total reflective area: 869,800 m².
Surface area of the solar field: 335 ha.
Heat transfer fluid: HTF.
Contract type: EPC + O&M.
Electricity delivery to 86,000 household.
CO₂ emission savings: 90,000 tons/year.
Consortium: SENER, COBRA & EMVELO.

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Parabolic trough plant La Africana

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Sener Energy / Renewable and Low-Carbon Solutions Generation / Solar / Spain

Parabolic trough plant La Africana

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Client: TSK – ORTIZ

Start date: 2011, January

Country: Spain

End date: 2012, January

La Africana is a power generation plant of 50 MW located in Posadas, Córdoba, Spain.

The technology of the plant is parabolic through collectors. The owner is MAGTEL – TSK – ORTIZ. Sener is responsible for the solar field collectors engineering, supply, erection and commissioning.

Proyect Data:
Total mirror surface: 549.360 m².
Number of SCA/loops: 672/168 (SENERtrough®).
Field surface area: 215 Ha.
Nominal solar field thermal output: 262 MWt.
Turbine capacity: 50 MWe.
Contract type: EPC (solar field).

La Africana is a power generation plant of 50 MW located in Posadas, Córdoba, Spain.

Proyect Data:
Total mirror surface: 549.360 m².
Number of SCA/loops: 672/168 (SENERtrough®).
Field surface area: 215 Ha.
Nominal solar field thermal output: 262 MWt.
Turbine capacity: 50 MWe.
Contract type: EPC (solar field).

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Bahía de Bizkaia Gas LNG regasification plant (3rd tank)

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Sener Energy / Gas Solutions / LNG – Liquefied Natural Gas / Spain

Bahía de Bizkaia Gas LNG regasification plant (3rd tank)

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Client: Bahía de Bizkaia Gas (BBG)

Country: Spain

Liquefied Natural Gas (LNG) regasification plant in Zierbena, Basque Country, Spain.

Sener, in consortium with other companies, successfully executed the EPC contract for the expansion of the regasification terminal owned by Bahía Bizkaia Gas (BBG) in Zierbena (Biscay, Spain).

This is the first tank developed by a Spanish consortium, with all technology being Spanish. Moreover, the new tank was the first in Spain to be built in accordance with the European quality standards EN 1473 and EN 14620.

Project information:

Nominal capacity: 800,000 Nm³/h.

Liquefied Natural Gas (LNG) regasification plant in Zierbena, Basque Country, Spain.

Sener, in consortium with other companies, successfully executed the EPC contract for the expansion of the regasification terminal owned by Bahía Bizkaia Gas (BBG) in Zierbena (Biscay, Spain).

Project information:

Nominal capacity: 800,000 Nm³/h.
Storage tank capacity: 150,000 m³
Type of contract: EPC.
Starting date: July 2011
Operational date: November 2014.
Scope: Sener was solely responsible for the complete design of the tank: Basic engineering was done using the high-performance program Abaqus, and detailed engineering was done using the FORAN System (CAD/CAM). SENER also participated in the procurement and construction management of the project.

Sener held the deputy leadership of the EPC project, and was the only company responsible for tank technology.

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Gemasolar solar thermal power plant

24 hours of solar energy

Case of success

Gemasolar solar thermal power plant

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Gemasolar solar thermal power plant

27,500 homes connected to the sun

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Gemasolar is the first commercial plant in the world to use the high temperature tower receiver technology together with molten salt thermal storage of very long duration.

Gemasolar is a 19.9 MWe thermosolar power plant with 120 MWt molten salt central receiver. Solar field of 310,000 m² mirror surface. Solar thermal energy collected and stored in molten salts for 15 hours of production, and steam turbine with 3 pressure levels.

The heliostats set up around the tower refl ect and concentrate solar energy onto the molten salt receiver located at the top of the tower. In the receiver, solar energy is transferred to the molten salts circulating inside, which reach a temperature of 565 ºC. By means of a steam generation system, the molten salts produce overheated steam, that runs a turbine/alternator group to generate electrical energy which then is fed into the power grid. The Gemasolar plant design has been optimised using the SENSOL, a programe developed by Sener that defines the heliostats positioning in the solar field.

Gemasolar is able to produce 80 GWh per year.

It generates enough power to supply 27,500 households.

It reduces by more than 28,000 tons per year the CO2 emissions.

The 115 m² heliostats designed by Sener incorporate a mechanism that accurately positions the surface of the reflective glass. The molten salt receiver, one of the most important components of this technology, has been developed by Sener with the collaboration of CIEMAT.

The molten salt system stores the excess thermal energy produced during daylight hours and provides the energy required to ensure the plant can remain operational for up to 15 hours without sunlight.

Gemasolar is able to produce 80 GWh per year, generate enough power to supply 27,500 households and reduce by more than 28,000 tons per year the CO₂ emissions.

Project data:

Total mirror surface: 310,000 m².
Number of heliostats: 2,650.
Field surface area: 195 Ha.
Receiver capacity: 120 MWt.
Tower height: 140 m.
Thermal storage capacity: 670 MWhth (15 h).
Turbine capacity: 19.9 MWe.
Thermal cycle efficiency: 40%.
Annual normal direct radiation: 2,100 KWh/m².
Type of contract: EPC.
Scope: Basic Engineering, Detail Engineering, Construction, Commissioning and Start-Up.
Partners: ACS-COBRA.

Operation:

Annual equivalent hours: 5,000 h/year
Annual capacity factor: 55%.

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Power stations at Manuel Belgrano and San Martín power plants (Argentina)

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Sener Energy / Thermal Generation / CCGT – Combined Cycle Gas Turbines / Argentina

Power stations at Manuel Belgrano and San Martín power plants (Argentina)

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Client: COTERSA (TSM) Y SEASA (TMB)

Start date: 2006, January

Country: Argentina

Sener won the contract to carry out the development of the basic project and the detailed engineering work for the Balance of Plant (BOP) for two combined cycle power stations in Argentina. The turnkey projects were for two consortiums: Cotersa for the San Martín thermoelectric power station (TSM) and Seasa for Manuel Belgrano (TMB). For the latter, Sener carried out purchasing and tracking activities for the BOP teams.

Each combined cycle system is an 800MW power plant, using a 2x2x1 configuration and follows the Siemens standard SCC5-4000F 2×1 (two gas turbines plus two recuperation boilers and a steam turbine).

Each combined cycle system is an 800MW power plant, using a 2x2x1 configuration and follows the Siemens standard SCC5-4000F 2×1 (two gas turbines plus two recuperation boilers and a steam turbine). Both cycles can be fed with natural gas from the network or from diesel fuel stored at the plant. This design involves the development of specific systems to reduce NOx emissions in the waste gases and the precise definition of the handling systems for gas and liquid fuels.

Broadly speaking, the layout of the power stations is similar, as the power blocks (gas and steam turbines and recuperation boilers) are regarded as sister projects, although they differ widely in the arrangement and definition of the BOP. The main difference is in the water-cooling system for cooling the condenser. At Manuel Belgrano the system uses water drawn from refrigeration towers, while at San Martín the water will be pumped directly from a nearby river. Also, the San Martín plant has a quay for unloading liquid fuel from boats in addition to unloading facilities for trucks, although it is possible that the final option will be for an oil pipeline.

These differences, along with the separate specifications of two different clients, determined the two designs of the BOP, involving modifications to adjust each of them to the requirements of each project. As a result, Sener’s work was versatile and cover all the variations that occured in the design of a combined cycle system.

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Zabalgarbi: implementing circular economy in municipal solid waste

High efficiency Waste to Energy solution

Case of success

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Zabalgarbi: implementing circular economy in municipal solid waste

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Zabalgarbi: implementing circular economy in municipal solid waste

High efficiency Waste to Energy solution

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In a process of transition towards a neutral economy, based on a sustainable and responsible consumption and production system, waste management is a key factor in tackling the impact of waste on climate change.

A new way of waste management

We participated as developers and investors, through SENER Renewable Investments, and as technologists in Zabalgarbi. A high-efficiency energy recovery power plant located in Bizkaia (Spain) equipped with SENER-2 technology, which fulfils the dual objective of improving the efficiency of harnessing energy from waste and optimizing anti-corrosive behaviour.

The plant treats the residues of more than 100 municipalities, benefiting more than 1,000,000 people. Annually, it recovers the energy value of 225,000-230,000 tons of waste to generate between 650GWh and 700GWh per year. This is equivalent to 35% of the energy consumed by households in the region.

4 million tons

of waste processed

1 million inhabitants

benefited

43% net energy yield

SENER-2,

a high efficiency technology

The thermodynamic cycle SENER-2 is an innovative solution that adapts the technology of combined-cycle gas plants to modern waste-to-energy facilities. It is a single integrated process capable of working at high pressures of around 100 bar and low temperatures, near 350°C. This means a higher pressure and less heat than usually obtained in modern waste-to-energy plants (38/65 bar and 380-450ªC).

Advantages

Increase in net energy yield, equivalent to 42%,

over conventional urban waste energy recovery plants, whose yield is approximately 23%.

Primary energy savings from renewables of 47%.

Renewable fraction of UW entering the plant (biomass) amounts to 63%.

CO2 emission avoided of 440,000 tons/year.

Reductions of corrosion problems in the furnace (T < 400ºC).

Reduction of costs

both in the operation and maintenance of the plant and in the treatment and management of solid urban waste.

Main features

Urban solid waste treatment plant, with a SENER patented process: SENER-2.
Net output 94 MW.
USW storage and handling facilities.
USW incineration boiler: 30 t/h MSW, 100 t/h saturated steam.
Flue gas treatment.
Gas turbine, 43 MW: Fuel natural gas, with intake air cooling.
Steam turbine: 54 MW, reheat, 100 bar, 540°C/25 bar.
Heat recovery unit.
Overall net plant efficiency: 42%.

Shareholders

Private holdings (65 %)

SENER: 30 %
FCC: 30 %
Kutxabank: 5 %

Public holdings (35 %)

Diputación Foral de Bizkaia (20 %)
Ente Vasco de la Energía (10 %)
Mancomunidad de la Margen Izquierda y Zona Minera (5 %)