Daily pv production

I have both WiFi electric heaters (Warme) and some regular electric heaters on smart relays.

I find the relays more than adequate for them, as they only need to be turned on/off sporadically, e.g electric towel rail in office toilet, only need to come on for an hour or two on the days of the year when it gets especially cold. The two WiFi heaters are also in the same out building but as they are in our two home offices, we needed a little more control with the temp.

Have all automated with Home Assistant to come on and maintain 18°c during working hours, but on really cold days the other half might want to be able to manually adjust it.

The only downside to the WiFi heaters is that if they get turned off and on again, they go into anti-frost mode and don't heat above 14°, the mode settings are not available in Home Assistant so have to access them through the Tuya app.

Afaik you can’t get rads that will adjust the wattage output dynamically. There may be expensive rads to do that but I’d wonder why it’s needed.

I’ve an electric rad with 3 settings. It has physical buttons to change the wattage: 700w, 1100w, 1800w. If I set it to on, it runs at that same wattage until it gets to the temp of the thermostat. So if set to 700w, it runs at 700w and nothing more or less. I can’t change it to use a higher wattage if there is more solar excess, unless I walk over to it.  

I’ve several ‘WIFI’ electric heaters. But they are old skool ones with a 10 quid smart plug – gives me the exact same thing for ~60 quid upwards per rad. Efficiency of electric rads is the same irrespective of per rad. All convert close to 100% of electricity to energy. Rest is marketing. So use what you have a available as a test, then can buy more when you see if that rad heats the room. At this time of the year you'll have much less need of heat.

I’ve the rad connected to a separate thermostat that is accurate and in a different part of the room to the rad (the ones in the rads are crap). It’s on a smart plug linked to that, and I can set the times it comes on too. As in I don’t run it overnight. My thermostat is one with a physical cable, ~25 qid on Amazon. Not linked to Home Assistant – just never got around to automate via Home Assistant. Shout if want info on the plugs and wired thermostat I use.

Overheating a room isn’t comfortable. So set to the temp you want, then you’re done.

I’ve different electric rads that use different wattage. I’ve a 400W one that is perfect to end Oct and from now in a small but cold WFH room. Needs to run ‘low and slow’ for a small heater like that to heat the space. But easily takes the solar excess.

I’ve solar for under 1 year now and I’ve come to the view that I don’t want to micromanage stuff for the next 25 years of it’s life - or mine 😊. At the very start I was deffo turning stuff on and off X times a day. So close enough is good enough for me now. I've a routine on Alexa to turn off certain smart plugs for a defined time. So when I've a shower, I tell Alexa to turn the plugs off. Means electric rads, dishwasher...all power off for 15mins then start again themselves. You can deffo automate a lot with smart plugs and adding Alexa.

Great start just curious where did the 24 kWh consumption go to? Would it be typical usage or diverting it?

Good day today. Exported a lot as away from home. Imported about 80 cents of electricity to top up battery overnight, exported about 5 euro worth.. hopefully that's the picture for lots of the next few months