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Solar and natural resources for a better efficiency in the built environment Glazings and coatings Selectively solar-absorbing coatings Solar collectors Solar water heating Photovoltaic physics and devices Solar concentrators The cost of pollution and the benefit of solar energy Solar process heat: distillation, drying, agricultural and industrial uses Solar resource assessment: a review Solar thermal electricity Wind energy review

Photovoltaic (pv) --- Windenergie --- Zonne-energie --- Photovoltaic (pv). --- Windenergie. --- Zonne-energie. --- Buildings. --- Coatings. --- Pollution atmosphérique --- Photoelectric devices --- Power --- Solar energy --- Wind energy

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Immunological techniques --- diagnosis --- Pelargonium --- Plant diseases --- Epidemiology --- ELISA --- Xanthomonas campestris pv. pelargonii

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The latest developments of battery technologies for solar applications have created high expectations in the field. Certain press articles claim that this new advances could revolutionize the solar energy sector and lead to autonomous residential PV systems or micro grids. Nevertheless, this assumptions lack of a proper scientific evaluation and it is still unclear when and under which circumstances battery storage can be viable without government subsidies or policy support.
This thesis explores the economical profitability of a grid connected PV system with and without battery in a standard dwelling in Spain for two different crucial moments of the Spanish photovoltaic regulation: 2008 when the solar energy boom occurred and 2016 when the solar energy sector is facing one of its weakest periods.
Three different scenarios have been evaluated to find out under which economic conditions, domestic batteries are profitable, considering the different changes in the photovoltaic legislation. Results indicate that latest change in the legislation, which eliminate FITs and add new fees to self-consumed electricity hinder the development of self-consumption. Concluding that without policy support battery storage is not yet economically feasible in Spain.

Solar Photovoltaic Power, Battery Storage, Residential PV, Self - Consumption --- Ingénierie, informatique & technologie > Energie

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The main objective of this study is to determine if CSP plants with TES are still economically viable when put in competition with PV systems and batteries for a large scale power generation in a global grid setting. Towards this goal, an optimization-based framework is implemented and exploited to identify the best combination of generation means among CSP, PV and battery to satisfy a chosen electricity demands while minimizing the cost of the total installations.

Concentrated solar power plant --- Optimization --- PV --- Ingénierie, informatique & technologie > Ingénierie civile

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Like many emerging markets, the Arab Republic of Egypt is keen to promote distributed solar, defined here as systems below 500 kilowatts, but has struggled to create conditions for growth in the sector. The aim of this paper is to identify policy actions to unlock the distributed solar market for on-grid and off-grid applications, using Egypt as a case study. The paper calculates the rate of return on investment for different distributed solar applications, identifies nonfinancial barriers to scaling up distributed solar, and derives policy implications. For on-grid applications, the analysis finds that neither net metering nor the feed-in tariff makes distributed solar financially attractive, despite recent reductions in electricity subsidies and adjustments of feed-in tariff levels in October 2016. For off-grid applications, the profitability of distributed solar depends highly on the local price of diesel: distributed solar is viable only in areas where diesel is not available at the official (subsidized) price. In addition, several nonfinancial barriers limit the scalability of the distributed solar market. These findings indicate that the distributed solar market in Egypt will remain a niche market in the next few years without strengthened government support. First, for on-grid applications, the net metering scheme should be kept in place until a bankable feed-in tariff has been established. Second, for off-grid applications, the government should explore interventions to unlock opportunities in the agriculture and tourism sectors. Third, the government should strengthen private-sector activity in the sector, including by addressing nonfinancial barriers, such as transaction costs and gaps in the availability of data, and by building capacity among users, suppliers, and financial institutions.

Distributed Energy --- Feed-In Tariffs --- Metering --- Off-Grid Pv --- Photovoltaic --- Solar