While investors have been encouraged by India’s large ground-mounted, grid-connected solar parks, the rooftop solar segment had hit its stride in the last financial year. For India’s solar power targets to be met, the rooftop part of the story will have to take off. However, there are concerns as India is not expected to achieve even half of the rooftop solar targets by 2022. Against the ambitious target of 10,000 Megawatt for March 31, 2018, the country’s cumulative installed capacity of rooftop solar stood at 982 MW as of December 2017. Notably, the government has also downscaled its targets for FY18 to only 1,000 MW of capacity, lower from the original target of 5,000 MW till as recently as December 18, 2017. A closer look at the figures further reveals that the government has achieved just around 9 per cent of the target, pointing to the out of kilter things in India’s rooftop solar programme.

Read more: India may miss rooftop solar target

The upward trend for photovoltaic installations is driving growth in the electricity storage market too. The industry is picking up steam thanks to lower costs and an increasingly diverse range of possible applications.

1.9 gigawatts of storage capacity were installed worldwide. This represents a 53 percent increase in market volume over the previous year. The analysts found out that one of the current global trends is the growth in projects combining solar power and storage.

Read more: EES Europe 2018: Pioneering innovations for the...

Hanwha Q Cells tackles the solar rooftop market in the UK and Ireland with two new highlight products: The innovative module series Q.PEAK DUO-G5 featuring half-cut cells, round wires and six bus-bars reaches power classes of up to 330 Wp and has been introduced to UK and Ireland earlier this year.

Now, Hanwha Q Cells adds the missing piece to this high performance solar module series: The Q.HOME+ ESS-G1 all-in-one storage solution for residential customers. The storage system combines a proven lithium-ion battery holding a storage capacity of 3.6 kWh with an integrated inverter and a battery charger.

The all-in-one storage solution can be operated and monitored via mobile application and comes with a ten year product warranty as well as a performance guarantee of at least 80% after ten years. The certified Q.HOME+ ESS-G1 can be purchased with or without a Q Cells solar system; in the UK via the UK´s largest photovoltaic distributor, Segen Ltd., and via Hanwha Q Cells’ Q.PARTNER network in Ireland.

A perfect match: Q.HOME+ ESS-G1 and Q.PEAK DUO-G5 half-cell solar modules

The Q.PEAK DUO-G5 series combines a whole range of technological innovation to reach maximum electricity yields and low LCOE (levelized cost of electricity). Monocrystalline half cells with six bus-bars, the company´s proprietary Q.ANTUM DUO cell technology for higher efficiency and minimized degradation as well as round wires enable the module to reach power classes of up to 330 Wp (Q.PEAK DUO-G5) or 320 Wp (all black Q.PEAK DUO BLK-G5) from 120 half-cells.

Due to its high yields, the module is perfectly suited for residential rooftops in Britain in order to maximize energy yields from the often limited roof space. At the same time, the module series also minimizes LCOE on commercial and industrial company roofs. Customers who chose to combine a Q.PEAK DUO-G5 solar system with the energy storage solution Q.HOME+ ESS-G1 thus have the ideal combination to sustainably reduce their electricity cost.

Maengyoon Kim, EU Sales Head at Hanwha Q CELLS said: “Home owners and companies in Great Britain and Ireland now have the chance to largely disconnect from recent rises in electricity prices.” He added: “Maximizing system yields with a Q.PEAK DUO-G5 based solar system and storing the electricity with a Q.HOME+ ESS-G1 system enables a cheap, clean and flexible electricity consumption.”

The European Bank for Reconstruction and Development approves $31.6m loan to Desert Solar Power One to fund construction of 30MW solar plant in Mongolia.

The financing will support the construction and operation of the Bank’s first solar project in Mongolia. The EBRD was the original seed investor in the first ever renewable energy project in the country, the Salkhit wind farm, and financed a total of three wind farms, thus contributing to the creation of a renewable energy market in the country. 

Read more: EBRD approves $31.6m loan for solar plant in...

E.ON and Viridian Solar have announced an exciting exclusive collaboration to bring sleek and modern roof-integrated solar panels to homeowners across Britain.

Viridian Solar’s popular ‘Clearline’ fusion roof-integrated and other above-roof solar products are now available to homeowners across Britain through E.ON’s Solar and Storage team.

Read more: E.ON and Viridian Solar work together to bring...

The Berlin-based company Valentin Software, which is well-known for its worldwide industry solutions, has adapted its market-leading design and simulation programs PV*SOL and T*SOL to the latest technical developments for 2018 and expanded them for the latest applications.

With the updated versions, system designers and operators can design their solar systems according to the latest knowledge, simulate accurate yield calculations under site-specific conditions and thus also perform accurate financial calculations, taking state support measures into account. The company will be presenting its new products to the public in June at the world’s leading trade fair Intersolar Europe in Munich.

PV*SOL 2018 – Design of PV plants with 3D model import

The new version of the design software PV*SOL premium 2018 makes the design of photovoltaic systems even easier and more efficient.

For the input of object data, 3D models in different file formats can now be imported into the software via a new interface. This makes it possible to import realistic and detailed 3D objects created with photos taken from different perspectives. This will add another important tool to the already existing possibility of importing floor plans, cadastral maps and screenshots from web-based satellite maps directly into the 3D visualization and thus integrating them to scale into a project.

Flexibility has been significantly increased with regard to the subsequent configuration of the modules, which are automatically placed on an object. The new possibility of polystring configuration allows completely different strings to be connected in parallel or series to an MPP tracker. This is required, for example, to connect an east-west roof parallel to one MPP tracker.

Even different modules in a string can now be interconnected, e.g. defective modules that are no longer available which need to be replaced by similar new ones. Modules with different orientations can now also be connected in one string via the integration of power optimizers. These new functionalities increase the flexibility of the design process enormously and allow even more detailed configuration and simulation of the PV system.

Other useful additions for the optimization of a system are the output of the I-V characteristics for each time step of the simulation, as well as an energy flow diagram representing the overall system including the battery system, consumers and also an electric vehicle.

The further the feed-in tariff decreases, the more important it is to consider the self-consumption of PV electricity for the profitability of a photovoltaic system. Since the self-consumption can be increased by storing the PV power in battery systems, the dimensioning of the battery system is also of great importance.

PV*SOL is a valuable tool for sizing a PV system correctly, as well as for determining profitability. A dimensioning aid for sizing the battery storage carries out the calculation of the battery for the user, thus facilitating project design.

Both PV*SOL and PV*SOL premium are available in German, English, French, Italian, Polish, Portuguese and Spanish.

T*SOL 2018 – Automatic dimensioning through parameter optimization

The new version T*SOL 2018 allows its users to enter and save complex heat storage parameters themselves. This makes the program even more flexible to use and more precisely observe and work out the economic efficiency that is so important for commercial applications.

The automatic parameter optimization function with its economic target variables is ideal for this purpose. These include, for example, the capital value, the return and the heat price. Thus, it is possible to determine the influence of the size of various components of a solar thermal system, e.g. to optimize the size of a storage tank or the number of collectors for their impact on the economic efficiency.

A variety of tools are available for the evaluation of the results. The project report provides detailed simulation outputs, which are recognized by German government funding programs. Furthermore, graphs can be created with a wide range of temperature and energy data for more in-depth analysis. If an energy label is required according to EU directives, you can also create this with T*SOL.

Valentin Software has updated the extensive component databases in the new version and made them easier to use.

Valentin Software at Intersolar Europe

Valentin Software will be presenting its new products from June 20 to 22, 2018 at Intersolar Europe in Munich, Germany, booth B3.550. Several live design sessions for the current program versions will take place daily at the booth. And on the occasion of the company’s 30th anniversary, a few surprises are planned.

Tamil Nadu Electricity Regulatory Commission has given the go ahead for Tangedco to float tenders for adding new solar and wind power capacity in the state in 2018. Tenders for adding a total of 3000MW of solar and wind power capacity will be floated soon, with the upper limit on tariff fixed at 3 per unit for solar and 2.65 per unit for wind.

"We have received nod to float tenders for solar and wind power projects in 2018," confirmed a Tangedco official. Tamil Nadu has the maximum capacity in wind but in solar the state's ranking has come down in the last few years, when compared to other states.

Read more: Tangedco to add 3,000MW solar and wind power

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