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With over one million panels cleaned, Ecoppia’s water-free robotic solar pv panel cleaning system has eliminated a major hurdle to viable commercial solar energy production – and will be cleaning five million panels a month by end of 2014.
HERZELIYA, ISRAEL – ( Solar Thermal Magazine ) May 14, 2014 – Ecoppia, an innovative developer of autonomous water-free photovoltaic solar panel cleaning solutions, announced today that its commercially-deployed E4 robotic cleaning system has now cleaned over one million panels.
Soiling – the accumulation of dirt and dust on photovoltaic solar panel surfaces – is one of the greatest impediments to solar energy production efficiency, and can reduce solar panel energy output by up to 35%.
Ecoppia – the only market player deployed at this scale – presents a paradigm shift; a move away from existing labor-intensive, water-based, high-risk panel cleaning solutions.
The autonomous energy-independent water-free E4 robots use a soft microfiber and controlled air flow cleaning system to remove 99% of dust daily, keeping panels at optimal production 24/7/365.
“We are proud to have reached this important milestone, as planned, while continuing to exceed customer expectations for reliability and cost-effectiveness” said Eran Meller, Ecoppia CEO.
We are on track to meet and exceed our expansion plans, such that Ecoppia robots will be cleaning 5 million panels a month by the end of the year, while adhering to the highest standards of operational excellence and customer satisfaction.
About Ecoppia
Ecoppia is dedicated to maximizing solar park value creation, by increasing output and lowering production overhead costs. The company’s autonomous, water-free, field-proven solar array cleaning solution cost-effectively keeps photovoltaic panels at peak performance, even in the toughest desert conditions. Privately-held, Ecoppia is backed by experienced investment funds and led by energy and robotics experts, with broad and multidisciplinary experience and proven records of success in operations, management, engineering and product development. For more information about Ecoppia

Renewable Energy Integration Project Funding ANKARA, May, 2014 – The World Bank Group’s Board of Executive Directors has approved financing of US$300 million from the International Bank for Reconstruction and Development (IBRD) and US$50 million from the Clean Technology Fund (CTF) for Turkey’s Renewable Energy Integration Project. The project will be implemented by TEIAS, the Turkish electricity transmission company, with a guarantee from the Turkish Treasury.
The project’s main development objective is to assist the country in meeting its increasing power demand by strengthening the transmission system and facilitating large-scale renewable energy generation. From the global environmental point of view, the project aims to avoid greenhouse gas (GHG) emissions from fossil fuel-based power through the greater integration of renewable energy source-based generation in Turkey.
The project components are expected to help alleviate the key barriers that inhibit faster development of wind energy in Turkey:
• Component 1 supports the expansion of transmission infrastructure to facilitate faster development of wind power plants in the provinces of İzmir, Çanakkale, and Kırklareli. These three provinces constitute nearly 70 percent of the installed wind capacity in Turkey, and, due to their high wind potential, will continue to attract more wind power invetsments.
• Component 2 supports smart-grid investments to strengthen grid operation and management, which will enable TEIAS to handle the increasing amounts of wind energy.
• Component 3 supports the second Lapseki-Sütlüce submarine power cable which will connect the Anatolian side and Thrace side of Turkey, with a capacity of 2GW. As a result of this sub-component, the 380kV bulk-transmission network to Istanbul across the Bosphorus and Dardanelles straits will form a secure strong loop network around the Marmara Sea.
• Component 4 supports the strengthening of transmission networks to cater to growing demand and supply of electricity in Turkey. This component includes the Yeni Ambarli-Yenibosna single-circuit underground cabling among other investments.
The US$50 million funding from the CTF would be utilized towards components 1 and 2 of the project, which contribute directly to the accelerated expansion of wind energy in Turkey.
The Renewable Energy Integration Project complements previous investments by the World Bank Group to tap Turkey’s significant renewable energy potential from hydro, wind, solar, biomass, geothermal, and other resources.
“Turkey has considerable renewable energy potential. However, substantial public and private investment is needed to fully exploit this resource,” said Martin Raiser, World Bank Country Director for Turkey. “As the World Bank, we have supported Turkey’s energy sector reforms for over a decade, with the objective of making Turkey’s energy sector cleaner, more secure, and less dependent on imports. This project is another important step in this direction.”
The Renewable Energy Integration Project consists of:
• An IBRD Loan (Euro 217.6 M or US$300 million equivalent), with variable spread, 18-year repayment period, 5-year grace period, repayments linked to commitments, level repayment of principal, front-end fee financed from the Borrower’s own resources, and all conversion options.
• A CTF Loan (US$50 million), with a 20-year repayment period, 10-year grace period, and management fee financed from the Borrower’s own resources.

ENERGY` OF THE SUN

The Earth receives 174 petawatts (PW) of incoming solar radiation (insolation) at the upper atmosphere. Approximately 30% is reflected back to space while the rest is absorbed by clouds, oceans and land masses. The spectrum of solar light at the Earth's surface is mostly spread across the visible and near-infrared ranges with a small part in the near-ultraviolet.
Earth's land surface, oceans and atmosphere absorb solar radiation, and this raises their temperature. Warm air containing ev***rated water from the oceans rises, causing atmospheric circulation or convection. When the air reaches a high altitude, where the temperature is low, water v***r condenses into clouds, which rain onto the Earth's surface, completing the water cycle. The latent heat of water condensation amplifies convection, producing atmospheric phenomena such as wind, cyclones and anti-cyclones. Sunlight absorbed by the oceans and land masses keeps the surface at an average temperature of 14 °C. By photosynthesis green plants convert solar energy into chemical energy, which produces food, wood and the biomass from which fossil fuels are derived.

Solar energy, radiant light and heat from the sun, is harnessed using a range of ever-evolving technologies such as solar heating, solar photovoltaics, solar thermal electricity, solar architecture and artificial photosynthesis.
Solar technologies are broadly characterized as either passive solar or active solar depending on the way they capture, convert and distribute solar energy. Active solar techniques include the use of photovoltaic panels and solar thermal collectors to harness the energy. Passive solar techniques include orienting a building to the Sun, selecting materials with favorable thermal mass or light dispersing properties, and designing spaces that naturally circulate air.
In 2011, the International Energy Agency said that "the development of affordable, inexhaustible and clean solar energy technologies will have huge longer-term benefits. It will increase countries’ energy security through reliance on an indigenous, inexhaustible and mostly import-independent resource, enhance sustainability, reduce pollution, lower the costs of mitigating climate change, and keep fossil fuel prices lower than otherwise. These advantages are global. Hence the additional costs of the incentives for early deployment should be considered learning investments; they must be wisely spent and need to be widely shared...

Photovoltaic power systems
Main article: Photovoltaic system
Simplified schematics of a grid-connected residential PV power system
Solar cells produce direct current (DC) power which fluctuates with the sunlight's intensity. For practical use this usually requires conversion to certain desired voltages or alternating current (AC), through the use ofinverters. Multiple solar cells are connected inside modules. Modules are wired together to form arrays, then tied to an inverter, which produces power at the desired voltage, and for AC, the desired frequency/phase.
Many residential systems are connected to the grid wherever available, especially in developed countries with large markets. In these grid-connected PV systems, use of energy storage is optional. In certain applications such as satellites, lighthouses, or in developing countries, batteries or additional power generators are often added as back-ups. Such stand-alone power systems permit operations at night and at other times of limited sunlight.