Notice

  • Found 45 posts.

Renewable Technologies » Wind Energy » Nov. 11, 2017 04:04:13

Samu
Replies: 1

Go to post

When compared to the conventional energy sources wind energy is easy available and it doesn't create any pollution.At first sight we may not feel the demerits of the wind energy but it also had some demerits.The placement of wind mill equipment face difficulty even though it is onshore or offshore.Sometimes it produces noise.

Renewable Technologies » Solar Panel » Nov. 9, 2017 03:59:12

Samu
Replies: 1

Go to post

My friends switched to solar panels and now I also thinking to buy it.Can anyone suggest some good solar panels for me.Feel free to suggest.

PV impact on home, moving home, energy usage » Moving House - YouGen Blog » Sept. 29, 2017 15:27:35

SteveRogers
Replies: 1

Go to post

This article has just appeared (Sep 2017): http://www.yougen.co.uk/blog-entry/2999/I'27m+selling+my+house+with+solar+panels+-+how+do+I+get+the+most+value'3F/?utm_medium=email&utm_campaign=Household Business Newsletter September 2017&utm_content=Household Business Newsletter September 2017+CID_c60e1c85a00f2968d610df2fb03e4680&utm_source=Envirosend&utm_term=how to get the most value when selling your house with solar panels

Steve
URN215

Renewable Technologies » Sunamp Heat Batteries - storage of excess generation for heating and hot water. » June 28, 2017 17:12:02

AndyT
Replies: 1

Go to post

Just to be open and above board I work for Sunamp.

In case you don't know how a Heat Battery works, it uses Latent Heat from a Phase Change material to store energy that might have otherwise been sent back to the grid to then use on demand at a later time.

The food grade salt is heated to 62C and during the process the salt changes from a solid or frozen state to liquid or molten. The salt surrounds a plate heat exchanger and when cold mains water flows through it is instantly heated to 58C ready for heating or hot water.

An excellent YouTube video of this technology can be seen at
https://www.youtube.com/watch?v=9upXeTMHUqE

If you would like to know more about this interesting new technology do please ask.

Kind regards
AndyT.




PV impact on home, moving home, energy usage » Have you considered investing in microgeneration? » Jan. 23, 2017 16:46:11

anaslater
Replies: 1

Go to post

Hello, I'm a student from the University of Reading currently studying BSc Human and Physical Geography.

I am writing my dissertation on microgeneration with particular focus on what motivates as well as puts people off installing a microgeneration system in their home. I am also interested on whether those who have have invested into microgeneration feel like their investment has been worthwhile and for what reasons. I have created a questionnaire with the aims of analysing this.


The questionnaire should only take a few minutes and you'll have the chance to win £20.

Link to the questionnaire: https://goo.gl/forms/kCbc6U1Poy2vpfPx1

Thank you very much.

Renewable Technologies » Have you considered investing in microgeneration? » Jan. 23, 2017 16:12:35

anaslater
Replies: 1

Go to post

Hello, I'm a student from the University of Reading currently studying BSc Human and Physical Geography.

I am writing my dissertation on microgeneration with particular focus on what motivates as well as puts people off installing a microgeneration system in their home. I am also interested on whether those who have have invested into microgeneration feel like their investment has been worthwhile and for what reasons. I have created a questionnaire with the aims of analysing this.


The questionnaire should only take a few minutes and you'll have the chance to win £20.

Link to the questionnaire: https://goo.gl/forms/kCbc6U1Poy2vpfPx1

Thank you very much.

General discussion » DAVE WORLEY'S STEMP INITIATIVE - SAVE TIME, ENERGY, MONEY AND REDUCE POLLUTION » Nov. 1, 2016 19:54:07

Take a look at my stemp initiative attached. I am particularly interested in saving money and would suggest that adding ENDOTHERM ADDITIVE to your Central Heating System will reduce your gas or oil use by 15% and in addition because the system is more efficient you can fit a CHOP CLOC as I have and only run your boiler for 15 minutes per hour and this will probably save you a further 10% of your gas or oil bill reducing your usage by 25% in total. If every house owner in the country reduced energy usage by 25% and this initiative could be equally applied to commercial and social buildings think how much pollution would be reduced.

There is a list of 9 things you can look at and of those only two are solar PV related.

PV in the news » Turning sunlight into heat may double solar cell efficiency » June 1, 2016 01:40:18


Still at the demo stage but if this work at MIT is further developed future solar cells may have double present efficiencies.
Light is converted to heat and back to light again thorough a layer of nanophotonic crystals.
See http://eandt.theiet.org/news/2016/may/solar-panel-efficiency-doubled.cfm

PV in the news » Solar Energy Storage - Lithium-air batteries » Dec. 2, 2015 00:11:24

While present consensus remains mostly against the economic viability of battery storage for domestic on-grid systems, the expectation is for some breakthrough in battery technology to change this position.
Here is another such possibility, projecting batteries that may be “five times lighter and five times cheaper than current lithium batteries”! This has an estimated 10 year+ development time scale, but may be worth watching out for?

http://www.theecologist.org/News/news_round_up/2986377/liair_battery_could_make_oil_obsolete_in_ten_years.html

General discussion » ReneSola Showcases LED Product Line at Lightfair International 2015 » Sept. 15, 2015 03:39:29

bella915
Replies: 1

Go to post

ReneSola(http://www.renesola.com/) Showcases LED Product Line at Lightfair International 2015
SAN FRANCISCO, April 29, 2015 /PRNewswire/ – ReneSola, a leading brand and technology provider of energy efficient products, will exhibit at Lightfair International 2015, the world's largest annual architectural and commercial lighting trade show and conference. The company will display a wide selection of LED lighting products at booth #4043 during the event, which is being held in New York City from May 5-7.

“ReneSola's legacy developing world-class energy products, as well as our global footprint, has positioned us well within the rapidly expanding LED lighting market,” said Jessica Super, President of ReneSola America Inc. “Lightfair presents an opportunity to showcase our exceptional product portfolio on an international stage, and we look forward to connecting with distributors and partners from around the world.”

According to a recent report from Research and Markets, the U.S. LED lighting market is estimated to reach as high as $5.2 billion in 2015 alone. Through its global sales and manufacturing network, ReneSola produces and supplies a robust portfolio of LED products for the industrial, commercial and residential sectors through its distribution partners. The company's sales and logistics network currently spans 20 states across the U.S., and additional market expansions are planned in the coming year.

General discussion » UK National Grid Status Page. » Sept. 14, 2015 09:08:11

Capetown
Replies: 1

Go to post

Looks like us “generators” now receive a mention! http://www.gridwatch.templar.co.uk/ :t

PV in the news » Solar panel forum » Aug. 26, 2015 09:30:50

bella915
Replies: 1

Go to post


What's the best solar panel
forum out there? I'm looking to install solar panels for my residence, and I want to be well informed before jumping in.

General discussion » Systems failing and Owners not noticing » July 6, 2015 16:14:06

Ladysmeader
Replies: 1

Go to post

This problem is unlikely to happen to people who are members of this forum, however.

I have become aware of two problems recently from acquaintances who have solar panels.

The first instance was an elderly recently widowed lady whose inverter had failed. Her husband was a pioneer of solar and had installed several years before the FIT scheme came in. The lady contacted the company who installed the system some 10 years ago. The company is still trading and appeared not to be interested in helping their former customer. The inverter warranty had expired and the inverter company was not interested either. I got involved as I had contacts at the installer from the days I ran a solar PV buying group. Her problem then got sorted in less than a week.

Then this week, another lady got in touch with me. Her system had been down for 9 months without her being aware. In this case, the inverter had been switched off by someone inadvertently and just needed switching back on.

Lessons from this?

Not everyone is like us. Some people with no technical aptitude can be totally ignorant of problems with their systems.

Solar installers need to be more customer friendly, especially to elderly people who have no technical knowhow and who may not be assertive enough to get the service they deserve.

Metering and Data Transfer » EmonWRT energy monitor - recommended! » June 27, 2015 14:30:12

I've got 2 separate PV arrays on my roof (installed in different years), 2 different makes of inverter and I was looking for a way to easily monitor the performance of both systems, as well as how much electricity I was actually using at any given time.

I was going to go for the emonPI system, but it seemed overkill for what I wanted, and all the different components you need quickly add up in cost:
http://openenergymonitor.org/emon/modules/emonpi

then I found the EmonWRT system, which uses some of the same components, but in a very neat pre-built unit that combines the emonTx and a WiFi connection:
http://lechacal.com/wiki/index.php/EmonWRT

for a total cost of £88.73 I got the EmonWRT unit, 3 mains sensors (one for the grid, one for each of the solar PV outputs), and an AC power adaptor (this is needed so the unit can tell if the grid cable is importing or exporting electricity). Obviously a bit cheaper if you only need to monitor a single PV array.

It is very fiddly to set up, and the instructions are really aimed at hardware geeks who put them together from kits. Hopefully they'll improve the instructions so the hardware & software is much easier. Once it is all set up though, it's amazing!

I can now see all manner of live numbers & summary graphs/reports from my smartphone

MgDb site use, website feature requests etc. » Uploading data "Error Code 6: One or more readings in the file is from the future, please check the dates and times." » May 31, 2015 21:04:44

martint123
Replies: 1

Go to post

I got the error 6 message just now, uploading my May data (gone dark and no more Watts now). I could not see any dates/times in error.
Tried chopping off the last hour in case it was a gmt/bst clash, but still error 6.
Chopped the whole of today off and it accepted the data from 1-30th of May.
No huge panic, I'll upload today's data tomorrow if I get the chance.

General discussion » Simax Panels » Jan. 31, 2015 18:19:17

g4piq
Replies: 1

Go to post

Does anyone have any experience with Simax panels. We've received 3 quotes, and the one with Simax panels is substantially cheaper than the others. I can't find much practical experience about them and would appreciate any feedback.

General discussion » Repowermap - interactive map of alternative energy installations » Oct. 8, 2014 16:14:00

SteveRogers
Replies: 1

Go to post


See http://www.repowermap.org/


This is a non-profit organisation that aims to encourage use of alternative energy generation by showing real-world examples that might be found in a given locality.  I think my system will be appearing at some point (after I agree) as I still contribute to BDPV and they wish to integrate their user sites on the map.


I wonder if there are any plans for Microgen to make its database of user locations available (and whether users would be happy to do this ).


Personally, I don't think a map of installations alone can achieve that much but maybe they'll be more in the future.


Steve


URN 215 North Yorkshire 3.96 kWp, S facing, 40 deg tilt, minor shading





PV in the news » MCS Standards review » Sept. 27, 2014 10:24:00

rogerhoward
Replies: 1

Go to post


If there's anyone who considers themselves a victim of a ‘cowboy’ installer, you might wish to make some comment to the current MCS review of standards mentioned here.





MgDb site use, website feature requests etc. » Array maintenance » Sept. 15, 2014 10:57:00

2dmartin
Replies: 1

Go to post


Last month our array was partly out of action due to roof maintenance.  Consequently the numbers I recorded and have entered here are lower than they should have been.  I don't see anywhere to add comments to that effect.   Any suggestions please?





PV in the news » SOLiC 200's TO BE WON by end of August » Aug. 16, 2014 09:57:00

rogerhoward
Replies: 1

Go to post


For south-facing installations, these type of immersion switchers must surely be one of the very best uses of solar PV? Our own forum section on Optimising Usage always has discussion of these types of products, and I know that some Microgeners have some impressive statistics on how much spare solar PV can be utilised.


They can be fitted by anyone competent with electrics, and are supposedly worth £200+. To enter the draw for a SOLiC 200, Follow This Link





Board footer