Sidite Solar, Solar Water Heater, Solar Collector, Solar Panels: 五月 2018

2018年5月28日星期一

CALIFORNIA SOLAR INITIATIVE DOMINATED BY MULTI-FAMILY HOUSES

In 2017, the California Solar Initiative (CSI) – Thermal Program supported the installation of 20,000 m² of collector area, a 20 % increase over the prior year. With 10,832 m², or four times the area installed in 2016, multi-family buildings dominated the subsidy landscape for those 12 months. The surge was a result of a temporary increase in the incentive amount, from USD 29.85 per therm displaced to USD 70, granted across the service area of Southern California Gas Company. The chart, for which data has been supplied by the California Public Utilities Commission, shows the collector area subsidised and installed from 2010 to 2017.

Source: California Public Utilities Commission

Sales of commercial pool heating systems declined for another year. The market had its peak in 2014, after nearly a year had passed before incentive levels and requirements were set, while applications had piled up and needed to be processed.

In February 2013, installations providing solar heat for industrial processes, or SHIP, became eligible for CSI, but because of low gas prices, no application for this sort of system has been submitted to date. SHIP was still a relatively new application across the United States, said William Guiney, President of Artic Solar, a Florida-based project developer specialising in solar process heat. In 2017, his company had installed just one 16.2 m² system for heating fish barns in the state, he said.

Last May, CSI – Solar Thermal was extended for 2.5 years to support the replacement of gas water heaters by solar systems. It will make cash rebates available until 31 July 2020, although a cost-effectiveness analysis of the programme will need to be completed by 31 December 2019.

In addition to Florida and Hawaii, California is the third key state for solar thermal sales in the United States. With 174,396 m², the national glazed collector market had remained stable in 2017, said Les Nelson, Director of Solar Heating & Cooling Programs at the California-based International Association of Plumbing and Mechanical Officials. In all, most of added solar thermal capacity in 2017 can be traced back to unglazed collector installations for swimming pool heating, for which the United States was again the largest market, with new systems adding up to 766,210 m² (536 MWth).

rganisations mentioned in this article:

www.csithermalstats.org

www.cpuc.ca.gov

www.iapmo.org

www.articsolar.com

http://www.sidite-solar.com/category_3_Splitsolarwaterheater.html

SIDITE Solar:
China Manufacturer;
Solar Water Heater, Solar Collector;

Zhejiang Sidite New Energy Co.,Ltd.

China manufacturer, Solar water heater, solar hot water, solar hot water heater, solar water heater system, heat pipe solar water heater, pressured solar water heater, flat panel solar water heater, solar collector, solar thermal collector, vacuum tube solar collector, evacuated tube solar collector, solar panels.

Web: www.chinasidite.com
Tel: 0086-573-83224422 / 83225522
Fax: 0086-573-83225533
E-mail: sdt01@sidite.com

WEBINAR: SHC MARKET AND INDUSTRY TRENDS 2017

The next Solar Academy webinar on Tuesday 12 June 2018 from 3:00 to 4:30 PM CEST (Central European Summer Time) will highlight the key data and findings of the two most recent SHC market reports: Solar Heat Worldwide. Global Market Development and Trends in 2017 from IEA Solar Heating and Cooling Programme (IEA SHC) and Renewables 2018. Global Status Report from REN21. Further information and registration is available online.

35 GW_th of new solar thermal capacity was commissioned in 2017, increasing total global capacity by 4% to around 472 GW_th. 2017 was a record year for new solar heat for industrial processes installations driven by economic competitiveness, a strong supply chain and policies to reduce air pollution. Concentrating collector technologies played an increasing role in providing heat for district heating and industrial applications. For the first time since the peak years 2011-2012, new manufacturing capacity was constructed for flat plate and concentrating collectors.

The webinar is organised by the Solar Academy of the IEA SHC Programme and hosted by ISES, the International Solar Energy Society.

Three experts will speak during the 1.5 hours webinar (see table below). Recording will be available on the Solar Academy website afterwards. The webinar will be moderated by Pedro Dias, Secretary General of Solar Heat Europe, Belgium.

	Werner Weiss, Director of the Austrian Institute AEE INTEC and co-author of the study Solar Heat Worldwide, shares key data on added capacity, prospering applications, jobs and the contribution to emission reduction.
	Bärbel Epp, News Editor of solarthermalworld.org and author of the GSR section Solar Heating and Cooling Market and Industry, presents recent developments in industry and policy.
	Jean-Christophe Hadorn, Manager of Swiss firm Base Consultants and Operating Agent of the IEA SHC task Application of PVT Collectors, explores market and industry development of PV-Thermal technologies.

http://www.sidite-solar.com/category_3_Splitsolarwaterheater.html

SIDITE Solar:
China Manufacturer;
Solar Water Heater, Solar Collector;

Zhejiang Sidite New Energy Co.,Ltd.

SOLAR STEAM FOR PROCESS HEAT AND AIR CONDITIONING

German Fresnel collector manufacturer Industrial Solar has completed its second industrial solar heat installation in Jordan. Three years after it had put into operation a Fresnel field at pharmaceuticals company Ram Pharma, a 700 kW concentrating collector system came online at tobacco manufacturer Japan Tobacco International, also known as JTI, in late 2017. The solar steam that the new system produces is used in two ways. It is injected into the steam grid to supply process heat to manufacturing and it powers a new installed double-effect absorption chiller to provide on-site buildings with air conditioning. JTI regards the solar steam unit as a strategic investment to demonstrate its commitment to establishing sustainable supply chains and, especially, to reducing the carbon footprint of its global operations.

Photo: Industrial Solar

Representatives for Industrial Solar and JTI had their first conversation in 2013, but it took three years before a purchase agreement was signed in April 2016. “JTI made a corporate-wide decision to invest in solar heat at its factory in Jordan. That’s why several meetings were necessary to increase understanding of Fresnel collector performance and the risks inherent in this kind of investment,” explained Martin Haagen, Industrial Solar’s Business Development Manager – MENA Region. “We’ve forged a very strong partnership and it was important that everyone involved felt that they could achieve a sense of pride and ownership in their work.” Once the contract was signed, it took little time to construct a system to provide SHIP, or solar heat for industrial processes, as no approval process was required for the installation.

Simulations show that the Fresnel collector field will produce a yearly amount of 1,350 MWh of useable heat at up to 220 °C, which corresponds to a specific yield of 1,076 kWh/m². These high gains are a product of very favourable surroundings. The site is located 900 metres above sea level in a dry and sunny region, where the direct normal irradiation (DNI) is around 2,500 kWh/m². The collector field has enough capacity – 700 kW or 1,254 m² – to meet the factory’s average heat requirements. Space was not an issue when the system was installed at JTI.

Since the JTI site in Jordan manufactures several products in batches, the steam drum was sized to allow for the storage of around one hour of solar energy at full capacity. The 15 m³ drum also has three other functions. It removes water from the steam, maintains the solar field pressure and acts as a water container when steam condenses inside the absorber after sunset.

JTI’s installation has been the second direct-steam Fresnel system, after Ram Pharma’s, to be planned and constructed by Industrial Solar. Asked about the advantages of direct-steam technology compared to indirect generation via thermal oil, Haagen said: “Direct steam production doesn’t require a heat exchanger. This improves the overall efficiency of the solar system and reduces the cost of investment. Since most thermal oils are toxic, many industrial businesses don’t want them stored on their premises because of the expensive safety measures they need to put in place and the risks that the toxicity poses to their products.”

Organisations mentioned in this article:

www.industrial-solar.de

https://www.jti.com

http://www.sidite-solar.com/category_3_Splitsolarwaterheater.html

SIDITE Solar:
China Manufacturer;
Solar Water Heater, Solar Collector;

Zhejiang Sidite New Energy Co.,Ltd.

ON-SITE COLLECTOR TESTING: NEW STANDARD IN DEVELOPMENT

Once a large solar field is set up at its designated location, what tests can be conducted to show that it performs as expected? Soon, the IEA Solar Heating & Cooling Programme may have an answer to this question, as it is working on internationalising Denmark’s testing procedure. No decision has been made on whether the procedure will become part of a full-fledged standard or be turned into a technical specification.

Photo: Riccardo Battisti

Two tasks of the IEA Solar Heating & Cooling Programme have been involved in drafting a proposal for a new ISO standard to cover solar energy, collector fields and performance testing: Task 55, Towards the Integration of Large SHC Systems into District Heating and Cooling Networks, and Task 57, Solar Standards and Certification.

Jan Erik Nielsen, who works at PlanEnergi, a Danish consultancy, and has his own firm called SolarKey, has been in charge of exploring the possibility of designing a new standard, mainly based on three sources:

The collector test methods described in the recently published ISO 9806:2017.
Performance guarantee – Collector field power output, a fact sheet created by Task 45, Large Systems: Large Solar Heating/Cooling Systems, Seasonal Storage, Heat Pumps.
Yield data from the long-term operation of large solar thermal fields in Denmark (see http://www.solvarmedata.dk).

The fact sheet outlines the usual procedure that manufacturers use to test the on-site performance of large solar arrays in Denmark. It has been included in the solar district heating guidelines developed during SDHplus.

Is a new standard coming?

Last October and December, basic ideas for a new standard were presented during ISO and CEN technical committee meetings. The CEN committee’s subsequent vote on a rough draft showed that the proposal should not be viewed as a guarantee but rather a performance test and that it will be turned into a technical specification and not a full-blown standard. In regard to ISO, it has yet to be made clear whether it will become a technical specification or a standard. The ISO committee is awaiting a new draft and will come to a decision at its next meeting in September.

Exporting Danish expertise

The general idea is to benefit from the long-used Danish procedure for testing large solar district heating plants and comparing real-world yield data to a manufacturer’s guarantee. This on-site test is usually performed after a system has been fine-tuned post-commissioning, which means a couple of months after a plant has been put into operation.

The testing procedure may now be approved and implemented at international level via inclusion in a standard. Of course, it will also need to comply with collector standard ISO 9806.

Likewise, the test methods will need to be changed to accommodate concentrating solar collectors, as even Denmark’s climate has allowed some plant operators to use them while more may be added soon.

The details

In principle, the proposed standard would require a simple examination of a solar field’s maximum performance based on certain criteria. First, solar irradiance levels need to be between 600 and 800 W/m². Second, performance has to be measured at less than 30° incidence to calculate the angle modifier, typically one of the most important unknown variables, and eliminate its impact on the total yield measured during the test.

Additionally, the collectors must not be at risk of solar shading or frost damage. The latter means that the test has to be carried out at temperatures above 5 °C. Last, during the one-hour test cycle, the collector needs to show a stable temperature that is always less than 5 K from the mean.

Some typical equations should then be used to calculate expected output and compare it to the test results. The standard will not prescribe how much those two values can differ from each other. Instead, manufacturers or plant operators can specify a percentage themselves, be it 2 %, 3 % or 5 %.

The reason for this freedom to choose is the substantial dependence of measuring instruments on factors such as quality. The new standard will therefore include some non-mandatory recommendations on how to select the best measuring set.

The article was written by Riccardo Battisti, a solar thermal consultant and market researcher working at Ambiente Italia (Rome, Italy).

Websites of organisations mentioned in this article:

IEA SHC Task 57: http://task57.iea-shc.org

IEA SHC Task 55: http://task55.iea-shc.org

IEA SHC Task 45: http://task45.iea-shc.org

PlanEnergi: http://planenergi.eu

http://www.sidite-solar.com/category_3_Splitsolarwaterheater.html

SIDITE Solar:
China Manufacturer;
Solar Water Heater, Solar Collector;

Zhejiang Sidite New Energy Co.,Ltd.

2018年5月22日星期二

Solar and wind power will drive the value of energy storage, remaking the power grid

A much heralded report shows solar and wind will lower wholesale prices, but it also shows a coming evolution in the pricing profile of the grid. These shifts in timing, shape, regularity and length will drive energy storage demand.

MAY 18, 2018 JOHN WEAVER

Tesla

Despite a heavy build-out of gas plants over the last two decades, the United States is moving solidly in the direction of an electricity grid dominated by renewable energy. And as we reach higher penetrations, the needs change. Some of the more forward-looking models suggest we’ll need on the order of 12 hours to three weeks worth of energy storage to move to an 80% and then 100% solar- and wind-powered grid.

A recently published report by the U.S. Department of Energy’s (DOE) Lawrence Berkeley National Laboratory (LBNL), Impacts of High Variable Renewable Energy Futures on Whole Electricity Prices, and on Electric-Sector Decision Making (PDF), shows that another affect will be aggressive downward pressure on wholesale electricity prices as solar and wind approach 50% of all electricity.

This top-line observation was heavily picked up by the energy press, and is already happening in a number of regions such as the Plains States and Texas, where wind is sinking wholesale power prices.

However, this is only the beginning of the changes that are explored in the report.

We’re all familiar with the duck curve, and it will come to be across all regions – instead of just California and New England. However, a lot more than just an evening peak will have to be dealt with.

The report suggests a shift from having an evening peak in pricing, to having both a morning and an evening peak – with the evening being more pronounced than it is now. The high wind regions have peak pricing in the early evening also, however its lower than solar’s peak and more of the pricing during the day is steadier.

Also occurring will be an increase in ancillary service prices, as well as an expansion of their needs, as renewables increase. And while these needs aren’t sufficient under current conditions to support a massive energy storage market on their own – note that a single Tesla 100MW/129MWh battery was able to take 55% of revenue in South Australia – they will drive a significantly bigger market than is seen today in the United States (and maybe bigger than the what is projected as becoming viable with recent FERC rulings).

And not only will the periods of peak power and ancillary services needs become more expensive and deeper, we’ll also start to have “skinny peaks”. “Skinny” is of course relative. Instead of being from 11 AM till 9 PM, ten hours long, our peak needs will be 5 to 10 PM, and in some regions they’ll be tighter and taller than even California.

The broader essence is that everyone will start to look like California as solar and wind spread their wings. The result of this will be that “peak” power will become more valuable, and more needed. And since we’re rapidly moving towards a post-gas peaker plant world, this expanding market – bigger than the gas peaker market today – is going to be a revenue bounty for the once a day, four-hour lithium ion energy storage developers.

There is no escaping the cheap electricity that will be available during the day with heavy solar power penetration. This will also occur with wind power growth. The report suggests between 3% and 19% of hours in the high renewables projections will be priced at $0/MWh. This will be a boon to energy storage projects needing to cover other periods, and it will benefit solar and wind developers also – as will actually drive the price of the cheap electricity above $0/MWh simply because there will be significant market opportunity in soaking up that excess power and reselling it at higher-priced times.

In a way, the increasingly intermittent electricity production that comes from solar and wind drives a need for instantaneously reacting energy storage. And energy storage just so happens to thrive in this potential model that is created by the intermittent nature of renewables across the United States. As sort of, symbiotic mutualistic feedback loop will develop.

The report by LBNL really covers a broad swath of potential outcomes as a result of higher penetrations of wind and solar. Lower wholesale prices, more hours at $0/MWh, greater pricing variance at different times of the day, and ancillary service prices as much as nine times higher.

This is a fundamentally different market than exists today. And as the market incrementally shifts, the approaching zero marginal energy costs from sunshine and wind that have inspired much hand-wringing will end up being a driver of the broader value chain that comes out of the solar+wind+energy storage power grid ecosystem.

We are moving to a future of cheap electricity, to feed energy storage that has ample time and opportunity to make use of itself.

NEWS COME FROM https://pv-magazine-usa.com/2018/05/18/solar-and-wind-power-to-charge-the-value-of-lithium-ion-energy-storage/

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SIDITE Solar:
China Manufacturer;
Solar Water Heater, Solar Collector;

Zhejiang Sidite New Energy Co.,Ltd.

GameChange Solar to provide 350 MW of racking, tracking for Florida projects

The mounting systems maker expects to deliver these systems over the next few months, as Florida’s solar market continues to boom.

MAY 18, 2018 CHRISTIAN ROSELUND

Image: GameChange Solar

Over the last year, the state of Florida has seen an unprecedented boom in its large-scale solar market. In late 2016 Florida Power & Light announced that it would build three 74.5 MW-AC solar projects to replace a coal plant, and followed that with eight more large utility-scale solar projects.

This move was echoed by most of the state’s large utilities, with Tampa Electric, Duke Energy Florida and the Jacksonville Electric Authority each announcing plans to build hundreds of megawatts of large-scale solar. In the process, Florida jumped from the 9th-largest to the third-largest solar market in the United States in 2017.

But the work to build and supply these projects is just beginning. Today GameChange Solar announced that it has received multiple orders over the past week to supply fixed-tilt racking and trackers for 350 MW of solar projects in the state, representing $20-30 million in contracts.

These racking and tracking systems will supply projects in both the northern and southern parts of Florida, with most of the projects in the north-central region. Racking will represent 60% of the product to be delivered, a reversal of the company’s overall ratio of tracking to racking that it expects to ship over the course of 2018.

GameChange expects to fill these orders over the next two months. Derick Botha, the company’s director of business development, notes that the ability to quickly ramp to meet demand is due to the company’s manufacturing strategy. GameChange utilizes dedicated lines located in the facilities of other manufacturers, instead of its own factories.

Steel prices rising

Botha says that at this point he is not seeing any delays in projects due to the Section 201 tariffs, as everyone either has modules stockpiled or to have settled on prices with suppliers.

However, he says that uncertainty in steel prices is hitting the racking and tracking sector. While steel tariffs have not yet been implemented under the Section 232 process, in anticipation of tariffs manufacturers have begun shifting procurement to U.S. steel, and U.S. steel makers have been raising prices.

GameChange stockpiles steel to be able to fill orders, and says that it has enough on hand to fabricate enough product to fill these orders. “We’ve always had steel available,” GameChange’s Botha told pv magazine.

However, Botha estimates that prices for U.S. steel have risen 40% since last October, which is putting pressure on both GameChange and other racking and tracking makers. “The only way to mitigate that is to look at how you try to engineer some costs out of your product,” notes Botha. “We’re looking at that.”

However, there is only so much room here. “It’s been a real serious hit,” says Botha. “We’ve seen the price increase going up every single week. And the tariffs haven’t even been applied.”

News from https://pv-magazine-usa.com/2018/05/18/gamechange-solar-to-provide-350-mw-of-racking-tracking-for-florida-projects/

http://www.sidite-solar.com/category_3_Splitsolarwaterheater.html

SIDITE Solar:
China Manufacturer;
Solar Water Heater, Solar Collector;

Zhejiang Sidite New Energy Co.,Ltd.

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