This technical guide is the first in a series of four technical guides on variable renewable energy (VRE) grid integration produced by the Energy Sector Management Assistance Program (ESMAP) of the World Bank and the Global Sustainable Electricity Partnership (GSEP). It provides a general overview of the intrinsic characteristics of VRE generation, mainly solar PV and wind, what the main challenges are along with some recommendations for VRE technical specifications, applicable standards, and essential testing. The main focus of the document presents a detailed outline of the essential requirements for VRE integration into the power grid. The requirements differ for...
This technical guide is the second in a series of four technical guides on variable renewable energy (VRE) grid integration produced by the Energy Sector Management Assistance Program (ESMAP) of the World Bank and the Global Sustainable Electricity Partnership (GSEP). It focuses on the main functionalities, differences and benefits of various compensation devices that can be employed to increase system transfer capacity, system stability, power quality and flexibility to cope with increasing penetrations of renewables in the system. The applications of FACTS devices are associated with four essential technical enhancements of system capacity, system reliability, power quality and system controllability....
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This handbook seeks to raise awareness among utility managers, decision makers, and other stakeholders of the benefits of developing robust O&M strategies for all existing hydropower plants and those under development. Unlike many other forms of generation, the cost of implementing a robust O&M strategy for hydropower accounts for a relatively small percentage of the value of electricity generated. However, failure to implement adequate and sufficient O&M can result in very high costs due to increased losses of production (direct and indirect) and higher needs for rehabilitation and equipment replacement. Hence carrying out appropriate O&M strategies and related programs has...
The ongoing transformation of the global energy sector is opening possibilities for many developing countries to reach their energy access and service delivery goals in a lower cost, more sustainable manner, while combating climate change. New technologies, and new ways of using existing technologies such as geospatial data systems, smart grids, and smart meters are helping to develop resilient energy infrastructure and operate it more efficiently. These developments, combined with major cost reductions in renewable energy and storage solutions are presenting a strong prospect of a complete re-orientation of the energy sector towards a more decentralized, decarbonized and digitalized path....
The energy sector worldwide faces growing challenges related to rising demand, efficiency, changing supply and demand patterns, and a lack of analytics needed for optimal management. These challenges are more acute in emerging market nations. Efficiency issues are particularly problematic, as the prevalence of informal connections to the power grid means a large amount of power is neither measured nor billed, resulting in losses as well as greater CO2 emissions, as consumers have little incentive to rationally use energy they don’t pay for. The power sector in developed nations has already begun to use artificial intelligence and related technologies that...
As CCREEE works with Trinidad and Tobago's Ministry of Energy to establish an Integrated Resource and Resilience Plan (IRRP), Ms Anita Hankey, Acting Head of the Renewable Energy Division speaks to the importance of the plan for this CARICOM Member State. CCREEE is also working with other Member States to establish IRRPs.
Battery technology is evolving at a breathtaking pace. As performance improves and costs fall, batteries are already critical for consumer electronics, such as mobile phones, and are paving the way for the electric vehicle market. The battery revolution doesn’t end there. Battery systems are also transforming intermittent renewable energy - such as solar and wind - by making them much more financially attractive. Investors are taking notice. But while the versatility of batteries makes them attractive, it is difficult to determine their economic value. Understanding where and why batteries are most successful remains challenging, as each situation is different based...
The recent advances in battery technology and reductions in battery costs have brought battery energy storage systems (BESS) to the point of becoming increasingly cost-effective projects to serve a range of power sector interventions, especially when combined with PV and where diesel is the alternative, or where subsidies or incentives are used. Quantifying the economic impact of BESS requires a high level of temporal granularity in the analysis, because the time-steps required for a reliable assessment of costs and benefits are much shorter than the usual annual time steps of many power sector investment projects. In short, there is as...
Achieving the Sustainable Development Goals (SDGs) over the next 30 years will critically depend upon urban land use and infrastructure development actions taken across multiple sectors (buildings, energy, transportation, water-sanitation, and waste) in global cities. Integrated urban planning addresses a multiplicity of urban sustainability objectives (e.g., economy, environment, inclusivity, and resilience) (GPSC, World Bank 2018), including cross-sectoral and cross-scale linkages (Ramaswami et al. 2016) and connection of physical planning with social, cultural, behavior, and policy dimensions. The objective of this report is to review the state of knowledge (science) and the state of practice (models actually used by cities for...
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