The two wind parks, Karusa and Soetwater, are both located at the South African Western Cape and will feature 35 turbines each with a hub height of 82 meters. Leveraging the 4.2 MW Power Optimized Mode for the sites’ medium-speed wind conditions, the V136-4.2 MW will boost performance and increase annual energy production. To lower turbine downtime and levelised cost of energy, the project will also include a VestasOnline® Business SCADA solution.

As part of delivering the projects, Vestas will create local wind energy jobs, fulfilling the local requirements for local content, skills development and socio-economic development initiatives.

The contract includes supply, installation and commissioning of the wind turbines, as well as a 5-year Active Output Management 5000 (AOM 5000) service agreement. Turbine delivery and installation is planned for the second half of 2020.

Source: Capstone Turbine Source: Capstone Turbine Close

According to Argonne Principal Investigator, Dileep Singh, "Storing thermal energy and using it during periods of high electricity pricing can result in significant cost savings. This is particularly important for process/manufacturing industries and building applications, as it reduces costs and increases energy efficiency."

The new Capstone CHP system will incorporate Argonne’s high-efficiency, fast-charging, and fast-discharging thermal energy system for waste heat recovery and reuse in projects that require process heat and industrial manufacturing environments.

The TESS system is essentially a "thermal battery" developed originally for storing heat in concentrated solar power applications. Argonne’s TESS incorporates a phase change material in a high thermal conductivity porous preform, resulting in a composite material system that has enhanced thermal performance. One of TESS’s most valuable features is its tunability for specific applications through the selection of appropriate phase change material. Additionally, TESS’s high thermal energy density results in a small footprint similar to the Capstone microturbine technology.

This new project focuses on integrating Argonne’s TESS into a Capstone C200 CHP system, specifically, using thermal modeling and simulations to optimize system design; fabricating and integrating the TESS into the C200 system; testing the performance of the integrated TESS-C200 CHP system and conducting both a technology and economic analysis to establish performance and cost benefits of the new integrated microturbine and thermal battery solution.

"There are a variety of developments that are driving the evolution of the CHP market, including new resilient on-site energy products, improvements in packaged CHP systems, new utility CHP programs, and the ability of CHP to work with other complementary technologies including battery and thermal energy storage," said Darren Jamison, Capstone’s President and Chief Executive Officer. "Cost-effective thermal energy storage will further reduce customers’ energy costs and increases overall CHP system efficiency."

Source: Poyry Source: Poyry Close

Pöyry acts as Lenders Technical Advisor in the project, including technical due diligence, construction monitoring and operation monitoring. The anticipated lenders are leading international and local investment banks.

The commercial operation date (COD) for the first unit is projected to be in March 2021, with the second to fourth units expected to reach COD in October 2021, March 2022, and October 2022, respectively.

The new power plant is expected to be the cleanest and most efficient CCGT plant in Thailand. The power plant will comply with the environmental and social standards and the International Finance Corporation (IFC) - Performance Standard, reducing its environmental and social impact beyond the Thai National Standard requirements. It will also help to ensure reliable and cost-effective power within the country, and support Thailand's goal to develop the special economic zone in the same region - the Eastern Economic Corridor.

GED is one of Thailand's largest power producers. GED provides safe and reliable energy by using state-of-the-art facilities and partnering with industry experts like Pöyry. Pöyry has had similar Lenders Technical Advisory roles in the last three large CCGT projects developed by the Gulf companies in Thailand.

The value of the order is not disclosed. The first phase of the order has been recognized within the Energy Business Group order stock in H1 2018, with the remaining phases to be recognized in H2.

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