PVTP Issue

PV Tech Power Volume 15

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Welcome to the latest edition of PV Tech Power. Installed solar power capacity already rivals nuclear power and could well surpass it by the end of 2018. Rapid improvements in solar cell technology, module configuration, system design and financial innovation have been a big driver. Increasingly, we are seeing this mammoth legacy fleet continue to benefit from technical improvements ranging from intelligent monitoring to using machine learning and energy storage to predict when charging a battery offers a better return than feeding the grid. We’ll explore a range of activities covering hardware and software, from module to market, that are helping asset owners maximise the value of solar.

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In this issue...

PVTP Paper
PV Tech Power Papers, Storage & Smart Power
The Internet of Energy is set to provide flexible, sustainable and affordable power for all. But we must not get complacent. Gianluca Mauro, Co-founder and CEO at AI Academy, argues that for this future to be realised, energy leaders need to develop a digital mindset.
PVTP Paper
PV Tech Power Papers, Storage & Smart Power
First developed by NASA, flow batteries are a potential answer to storing solar – and wind – for eight to 10 hours, far beyond what is commonly achieved today with lithium-ion. In the first of a two-part special report, Andy Colthorpe learns what the flow battery industry faces in the fight for commercialisation.
PVTP Paper
Market Watch, PV Tech Power Papers
Tom Kenning and Ben Willis look at the latest developments in some of the most promising emerging PV markets worldwide. This issue features Pakistan, Tunisia and Uzbekistan.
PVTP Paper
Market Watch, PV Tech Power Papers
Subsidy-free solar is changing the fortunes of the Spanish solar market, which had experienced the deepest of slumps. All the signs suggest the rest of Europe will be next, regardless of how the trade row plays out, writes John Parnell.
PVTP Paper
Market Watch, PV Tech Power Papers
The global decarbonisation agenda and still-tumbling costs are sending oil and gas giants and traditional energy majors into the PV market, and in a big way. Liam Stoker investigates what that means for the international solar market.
PVTP Paper
PV Tech Power Papers, System Integration
The worldwide market for trackers is developing rapidly and so too are the technologies they use. Mark Osborne reports on some of the latest design innovatoins that are helping drive trackers into new markets and applications.
PVTP Paper
Design & Build, PV Tech Power Papers
The EU-funded PVSITES project is working on a number of initiatives aimed at accelerating the roll-out of building-integrated PV across the continent. Members involved in the initiative outline some of the efforts being made to unleash BIPV’s as-yet untapped potential.
PVTP Paper
Project Briefing, PV Tech Power Papers, System Integration
Delhi-headquartered renewable energy firm Hero Future Energies has completed India’s first largescale solar and wind energy hybrid project in the state of Karnataka. The project at Kavithal, Raichur District, which included an existing 50MW wind farm, now has a neighbouring 28.8MW solar PV site to form a hybrid system.
PVTP Paper
Design & Build, PV Tech Power Papers
Despite the growing popularity of floating solar installations, relatively little is known about their environmental impacts on water bodies. Ian Jones and Alona Armstrong are leading a research progamme to understand more about how the environmental benefits of floating PV can be harnessed and the downsides minimised
PVTP Paper
Financial, Legal, Professional, PV Tech Power Papers
Banks will be unable to fully finance solar on the scale envisaged in the transition to a low-carbon economy. Vicky Münzer-Jones and Stacey Giunta look at the role of solar bonds in bringing much needed capital to the sector.
PVTP Paper
Design & Build, PV Tech Power Papers
BIPV systems do not follow many of the rules associated with conventional or ground-mounted PV arrays. Johannes Eisenlohr of Fraunhofer ISE examines some of the technical solutions being developed to simulate BIPV design and thus make it more affordable.
PVTP Paper
Plant Performance, PV Tech Power Papers
Potential-induced degradation (PID) is still one of the main reasons for unpredictable power losses in PV power plants. Volker Naumann, Nadine Schüler and Christian Hagendorf of Fraunhofer CSP and Freiberg Instruments present an approach for quick on-site PID testing of mounted PV modules, allowing PID diagnosis and prognosis of PID-related yield losses
PVTP Paper
PV Tech Power Papers, Storage & Smart Power
Islands around the world provide ideal conditions for trialling new approaches to energy provision. David Pratt reports on some of the work going on globally to bring the benefits of cutting-edge renewable energy, storage and smart grid technologies to the world’s geographically isolated communities.
PVTP Paper
Financial, Legal, Professional, PV Tech Power Papers
In the previous issue of PV Tech Power, quality assurance was considered as a key measure in maximising PV power plant performance and ensuring safety. Building on this train of thought, Thomas Sauer and Georg Fischer from EXXERGY examine insurance as a risk mitigation measure, based on analysis of more than 3,600 insurance claim cases.
PVTP Paper
Plant Performance, PV Tech Power Papers
The optimal and profitable operation of solar assets is become increasingly challenging as portfolio sizes increase. Stijn Stevens and Michael Matthes explore how device-level energy forecasting is helping prioritise O&M activities across dispersed fleets.
PVI Paper
Photovoltaics International Papers, PV Modules
The extra energy gain offered by bifacial PV modules has helped make them an increasingly popular choice in the global PV industry. But the question of how to define, measure and rate the electrical output from bifacial modules is a hotly debated topic, given the extent to which the rear-side contribution is dependent on a range of variable factors relating to local environmental conditions and system configurations. Drawing on in-house modelling and simulation software developed at TÜV Rheinland, this paper explores the power rating issue for bifacial devices, examining the definitions of rear irradiance, measurement test method, power stabilization and verification for type approval. Relevant reliability and safety tests are discussed, with additional modifications and suggestions for bifacial PV modules.

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