Abstract
AbstractFuture power networks are certain to have high penetrations of renewable distributed generation such as photovoltaics (PV). At times of high PV generation and low customer demand (e.g., summer), network voltage is likely to rise beyond limits mandated by grid codes resulting in a curtailment of PV generation, unless appropriate control means are used. This leads to a reduction in energy yield and consequently reduces the economic viability of PV systems. This work focuses on scenario‐based impact assessments underpinned by a net prosumer load forecasting framework as part of power system planning to aid sustainable energy policymaking. Based on use‐case scenarios, the efficacy of smart grid solutions demand side management (DSM) and Active Voltage Control in maximizing PV energy yield and therefore revenue returns for prosumers and avoided costs for distribution networks between a developed country (the UK) and developing country (India) is analyzed. The results showed that while DSM could be a preferred means because of its potential for deployment via holistic demand response schemes for India and similar developing nations, technically the combination of the weaker low voltage network with significantly higher solar resource meant that it is not effective in preventing PV energy curtailment.
Highlights
The decarbonisation of the energy network has created higher demand for electricity over oil and coal
Power networks are currently moving into the smart grids paradigm
Developing nations with lower economic reserves to spare are often constrained in terms of the level and nature of changes they could make to their power networks
Summary
The decarbonisation of the energy network has created higher demand for electricity over oil and coal. Some of the electrical power network assets such as transformers and switchgear assets were installed as early as the 1950s and are still in use today.[1] For example, the UK’s National Infrastructure Delivery Plan 2016–2021 identifies that “much of the existing infrastructure which has served us well is old” and that “major investment is required to accommodate new generation and replace aging assets”. In the continuing drive to reduce cost, given the high cost of assets, especially at the transmission and sub-transmission voltage levels, it is safe to assume that even in the near- or medium-term, power networks will be mostly composed of present-day assets
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