Author Topic: Load shedding updates  (Read 14336 times)

Offline itscraig

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Re: Load shedding updates
« Reply #120 on: January 25, 2016, 08:14:35 PM »
Inverters that can handle solar and mains power can be set to draw from solar directly and only top up from mains or battery when needed.
very nice, i have not used those yet.
so they charge the batteries and only draw if running low from the top-up side.
that makes total sense.
better than having to split the system.

although the split system is what i run so that when the Generator kicks in it only does certain parts of the house. then if the power is out late at night the inverters run only essential lights and entertainment so the generator does not keep all the neighbors awake

Offline andredt

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Re: Load shedding updates
« Reply #121 on: January 26, 2016, 07:16:36 AM »
yes but you will only benefit if you are running some of your system completely off grid.
if it is only as a backup system then there is no savings.
have you split your mains and run only via the Solar and switch over to mains only as a power top-up if need be?
Everything in the house is running of solar except the Geyser speed queen tumble dryer and Stove.

Even pool pump is pulling of the solar.

Plan is to change Geyser to heatpump and stove to gas in the near future.

A
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Offline itscraig

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Re: Load shedding updates
« Reply #122 on: January 26, 2016, 08:17:10 AM »
very nice, i am really impressed by the price, very affordable.

Offline andredt

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Re: Load shedding updates
« Reply #123 on: January 26, 2016, 01:33:23 PM »
very nice, i am really impressed by the price, very affordable.
Might be because i work for the biggest solar component supplier in SA and got the system at cost :)

We are expecting our first shipment of Tesla Powerwalls in 3 weeks. That is  a great option as well for people with a bit more money.
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Offline itscraig

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Re: Load shedding updates
« Reply #124 on: January 26, 2016, 04:21:19 PM »
Might be because i work for the biggest solar component supplier in SA and got the system at cost :)

We are expecting our first shipment of Tesla Powerwalls in 3 weeks. That is  a great option as well for people with a bit more money.
very nice,

are you allowed to plug the company here?

Offline CAD

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Re: Load shedding updates
« Reply #125 on: January 26, 2016, 06:08:34 PM »

Plan is to change Geyser to heatpump

Does this really save one a bit on electricity costs?
Can not go solar Geysers at my home  on leiklip/slate roof

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Offline andredt

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Re: Load shedding updates
« Reply #126 on: January 27, 2016, 09:18:12 AM »
Cad a heatpump works opposite to a aircon. So a good heatpump is 1,5kw but have 4KW heating power.

A
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Offline Atom8

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Re: Load shedding updates
« Reply #127 on: January 27, 2016, 09:54:46 AM »
Heat pumps are less efficient in winter because there is less heat in the air to be exchanged. 

The pump blows out cold air in the exchange process, so I wonder whether it is enough to cool the roof cavity in summer?
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Offline CAD

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Re: Load shedding updates
« Reply #128 on: February 01, 2016, 08:27:52 AM »
Thanks A should make for some savings then  :thumbs:

Good question regarding the roof cavity  :nfi:
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Offline JoshDeet

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Re: Load shedding updates
« Reply #129 on: February 01, 2016, 06:27:58 PM »
CAD,

We've been using a heat pump for just over a year, has cut the average electricity usage over a year in half (as measured 24/7 with an effergy engage power monitor) and it works great, we run from 5AM till 10AM, and again from 6PM till 11PM each day. the only extras are a geyser blanket and insulation on the pipes between the geyser and heat pump (Minimize losses while circulating water)

There is always hot water, with 5 people in the house and dishwasher also using hot water. However in winter, the heating times are a bit longer (2 hours to heat 250L from 15degrees to 60 degrees) but through the rest of the year it will do the same cycle in 45mins.

I would recommend looking into these. :thumbs:

I would also be interested in cooling the roof cavity in summer, perhaps even sucking the hot air out in the evening for bonus efficiency? :nfi:


Offline craig-s22

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Re: Load shedding updates
« Reply #130 on: February 02, 2016, 12:12:04 PM »
I am quite keen to install a heat pump as well this year. I am a bit concerned about the noise levels. What is a good brand for them and how long do they last? Cost?

Offline JoshDeet

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Re: Load shedding updates
« Reply #131 on: February 06, 2016, 11:05:13 PM »
Noise levels are pretty insignificant, you will hear it in the room that it shares a wall with, but not much else. Ours was about R17k installed in 2014.  :thumbs:

Offline CAD

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Re: Load shedding updates
« Reply #132 on: June 13, 2016, 11:44:06 AM »
We have gone dark...covert ops  :shh:

Seems like quite a large area is down.Load shedding on this cold winters day?

Wonder if non paying areas have also been cut so close to elections  :nfi:
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Offline andredt

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Re: Load shedding updates
« Reply #133 on: June 16, 2016, 04:11:00 AM »
We have a connection in the Eskom war room. Load shedding is back. But they will tell you its faulty equipment stolen cable eg. Elections coming up ;)
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Offline placebo

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Re: Load shedding updates
« Reply #134 on: June 16, 2016, 07:02:58 AM »
Loadshedding is back.We went down for exactly 2 hours  last Monday.Directly under Eskom.Another friend of mine close by was out for exactly 4 hours.Coincidence on the timing I think not.
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