| Cogeneration Cogen coalition launched


COGEN World Coalition (CWC) is a new global association hoping to “bring together a worldwide community of companies, associations, institutions and other key stakeholders focused on the use of cogeneration” (aka CHP).


The CWC says it has been established to ”ensure a better contribution of cogeneration to environmental sustainability and the fight against climate change, while supporting economic growth.” Cogeneration is part of the backbone of all energy systems in the transition toward a more resilient, efficient and sustainable energy future, argues the new organisation.


Founding members of CWC include associations such as ACOGEN, CHP Alliance, COGEN Europe, COGEN Spain, COGEN Brazil, COGENERA México, ITALCOGEN, as well as KOJEN TÜRK and leading companies in the sector such as AB Energy, Baker Hughes, Clarke Energy, INNIO, Kawasaki and 2G.


CWC: the main objectives CWC, acting as the “global reference point for the cogeneration sector”, will support countries and broader regions that have recently entered the cogeneration market and may be only just beginning to develop the technology and processes by enabling them to leverage best practices from other parts of the world where it is already mature and widely adopted.


CWC says it will:


● inform, educate and promote a wider use of cogeneration worldwide;


● create and foster dialogue with relevant intergovernmental organisations, including the United Nations, International Energy Agency, World Trade Organisation, World Bank, IMF, etc;


● support the establishment and development of national and continental associations/ networks linked to cogeneration;


● connect companies, entrepreneurs, associations and professionals active in the field of energy efficiency;


● exchange information and experiences related to cogeneration technology;


● support initiatives in order to lobby policymakers and regulators; and


● exchange, discuss and develop positions on issues of common interest including energy efficiency, climate change, sustainable development and financing.


The president of CWC is David Gardiner, current executive director of the US-based Combined Heat and Power Alliance. Hans Korteweg, current managing director of Brussels-based COGEN Europe, will be the first executive director.


Cogeneration currently supplies 11% electricity and 15% of heat in Europe, while In the USA, cogeneration today represents 8% of the electricity generating capacity, the new organisation says.


One of the “world’s greatest challenges is to find ways to increase economic growth while ensuring environmental sustainability and winning the fight against climate change” and cogen has an important role to play, the new organisation believes.


In the US, cogeneration could provide 20% of electric capacity by 2030, the CWC estimates. It also notes that very many cogeneration schemes will be connected at medium voltage (from 11 to 33 kV), “improving voltage profile and deferring CAPEX in voltage control equipment.”


Clarke Energy/INNIO Jenbacher team up in Africa


Recent Clarke Energy/INNIO Jenbacher CHP projects in Africa include an installation at a pasta factory in Cameroon and a cogen plant for CSM GIAS in Tunisia.


The Cameroon project, in Douala, is being implemented in two phases. The first phase, just completed, is installation and commissioning of a J320-based containerised genset, rated at 1067 kWe (pictured). The second phase will be to install an exhaust gas heat exchanger to generate superheated water at 130°C, which will then be injected into the customer’s process steamer for purification.


The 1.2 MWe CSM GIAS plant, located in Bouargoub, Nabeul, employs an INNIO Jenbacher J416 gas engine, adapted to the Tunisian climate. The Clarke Energy and CSM GIAS teams “worked together effectively to enable the engine to start while overcoming the constraints associated with the Covid-19 pandemic.”


The CHP plant supplies the CSM GIAS plant with electricity, hot water and steam, achieving an overall efficiency of around 80%. After commissioning, Clarke Energy will maintain the CHP plant for a period of around 15 years.


Above: J320 genset installed at Cameroon pasta factory


Aggreko provides flexible CHP in Romania


Above: Aggreko equipment at the CET Arad site


Power rental specialist Aggreko reports installation of a new combined heat and power system at the CET Arad power plant, Arad City, Romania, a key provider of hot water for district heating and electricity for the grid. The new facility, equipped with 14 gensets, provides gas fuelled piston based cogeneration (21 MWe/20 MWt), with heat recovery from engine exhaust gas and jacket water, plus lithium-ion batteries (2 MW), with capabilities to provide ancillary grid services.


The facility is designed for maximum operational flexibility. Waste heat recovery can range from all or none, and the mix of power and heat provided can be adjusted depending on seasonal changes and demand fluctuations.


The CET/Aggreko contract provides flexible terms to cater for the plant’s variable demand, with Aggreko’s rental solution also avoiding the need for CAPEX investment across the four- year contract.


www.modernpowersystems.com | May 2021 | 37


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