2017 PEI Issue 6
Asia tops renewables investment ranking
An influential poll has named China and India as the best destinations for clean energy investment. Kelvin Ross examines the results and also hears how the integration of battery storage is the next big challenge for the energy industry
A hybrid power and heat installation with a twist
Aora Solar's 'Tulip' concentrating solar power system is a hybrid power and heat installation - with a twist that its developers say gives it an advantage for off-grid locations, writes Tildy Bayar
Making light work of heavy rotors
Billy Bottera explains the processes and state-of-the-art equipment involved in repairing large modern gas turbine rotors
Polymeric solutions for renewables
Capturing renewable energy involves exposure to the elements, some of which can wreak havoc on machinery, particularly wind turbines. Polymeric materials have been able to solve these maintenance problems from the base of the turbine to the tip of the blades, writes Thomas Belli
Can blockchain save the energy sector?
A new consortium aims to speed up the development of blockchain technology for use in energy applications. Tildy Bayar examines the risks and benefits
Africa’s ‘energy tetralemma’
Due to its energy 'tetralemma', Africa is at the forefront of creating a unique hybrid energy supply system, write Noor Kapdi and Daniél Hofmeyr
Dry sorbent injection for SOx emissions control
As many in the international community begin to make decisions on technologies that will meet the latest regulatory requirements, dry sorbent injection is a viable option to be considered for SOx emissions control, argues Connor Cox
The rise of inlet fogging and wet compression
In a market where gas turbine plants are increasingly being required to take a load following role for renewables, fogging and wet compression can play a vital role if they are properly controlled, writes Thomas Mee III
Solutions to cooling tower gearbox pain points
Plant operators and maintenance engineers must effectively manage a variety of cooling tower service issues, whether scheduled or unplanned. Jerome Jennings explains the role of gearboxes in addressing these issues
Q&A: The evolving role of the turbine
GE's Gas Power Systems and Steam Power Systems talk about trends in gas and steam turbines and how they are seeing technologies and markets develop