# Matching surplus solar to hot water or other loads

**URL:** <https://community-energy.discourse.group/t/matching-surplus-solar-to-hot-water-or-other-loads/58>\
**Category:** New Technology\
**Created:** [10 October 2024 23:41 UTC](https://community-energy.discourse.group/t/matching-surplus-solar-to-hot-water-or-other-loads/58 "2024-10-10T23:41:40Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![HeatherSmith](https://yyz1.discourse-cdn.com/flex003/user_avatar/community-energy.discourse.group/heathersmith/32/4_2.png) [@HeatherSmith](https://community-energy.discourse.group/u/HeatherSmith)\
**Post date:** [10 October 2024 23:41 UTC](https://community-energy.discourse.group/t/matching-surplus-solar-to-hot-water-or-other-loads/58/1 "2024-10-10T23:41:40Z")

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what technologies have you come across that can help households use their surplus solar? Here’s one to get us started: [https://www.catchpower.com.au/](https://www.catchpower.com.au/)

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**Author:** ![HeatherSmith](https://yyz1.discourse-cdn.com/flex003/user_avatar/community-energy.discourse.group/heathersmith/32/4_2.png) [@HeatherSmith](https://community-energy.discourse.group/u/HeatherSmith)\
**Post date:** [12 October 2024 12:04 UTC](https://community-energy.discourse.group/t/matching-surplus-solar-to-hot-water-or-other-loads/58/2 "2024-10-12T12:04:42Z")

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> **[SwitchDin](https://www.switchdin.com/)**

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**Author:** ![HeatherSmith](https://yyz1.discourse-cdn.com/flex003/user_avatar/community-energy.discourse.group/heathersmith/32/4_2.png) [@HeatherSmith](https://community-energy.discourse.group/u/HeatherSmith)\
**Post date:** [12 October 2024 12:06 UTC](https://community-energy.discourse.group/t/matching-surplus-solar-to-hot-water-or-other-loads/58/3 "2024-10-12T12:06:10Z")

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[Solar for Apartments](https://allumeenergy.com/au/) Slightly different. This is the technology you need if you are going to split solar in apartments between all the apartments. I haven’t worked out the technical trick behind that btw but a number of projects claim to have used allume so we could find out

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**Author:** ![HeatherSmith](https://yyz1.discourse-cdn.com/flex003/user_avatar/community-energy.discourse.group/heathersmith/32/4_2.png) [@HeatherSmith](https://community-energy.discourse.group/u/HeatherSmith)\
**Post date:** [12 October 2024 12:08 UTC](https://community-energy.discourse.group/t/matching-surplus-solar-to-hot-water-or-other-loads/58/4 "2024-10-12T12:08:44Z")

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[https://beatenergy.com.au/](https://beatenergy.com.au/) again - slightly different. The tech used by this retailer allows landlords to install solar and repay it using cheaper-but-not-zero pricing when the tenant is using solar energy. A gadget on the kitchen bench tells them what tariff they’re using. CORENA partnered with Anglicare to do 13 low income homes [50. Believe Housing Australia/Anglicare, SA - CORENA - Citizens' Own Renewable Energy Network Australia](https://corenafund.org.au/50-believe-housing-anglicaresa/)

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**Author:** ![HeatherSmith](https://yyz1.discourse-cdn.com/flex003/user_avatar/community-energy.discourse.group/heathersmith/32/4_2.png) [@HeatherSmith](https://community-energy.discourse.group/u/HeatherSmith)\
**Post date:** [17 October 2024 06:08 UTC](https://community-energy.discourse.group/t/matching-surplus-solar-to-hot-water-or-other-loads/58/5 "2024-10-17T06:08:28Z")

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[https://village.energy/](https://village.energy/) found thanks to this hilarious story on one step off the grid ([How my solar battery is battling coal on the open market – and the score so far - One Step Off The Grid](https://onestepoffthegrid.com.au/how-my-solar-battery-is-battling-coal-on-the-open-market-and-the-score-so-far/))