Arska Energy Manager

Smart ESP32 based power manager for optimised electricity usage. Open source:

[Arska Energy Manager @ArskaEnergy]

New rule variables let you select optimal 15 minute periods for e.g. heating or charging/discharging your home battery.

[Arska Energy Manager @ArskaEnergy]

Latest Arska version (1.3.0-beta6) now tested - and -working - with live 15-minute MTU price data from Entso-E and Elering.

[Arska Energy Manager @ArskaEnergy]

15-Minute MTU go-live date rescheduled from 11 June to 30 September 2025 . Arska version 1.3 supports 15-minute MTU. https://t.co/ORNDh66gXy

[Jukka Ruusunen @RuusunenJukka]

15 minuutin kaupankäyntijakson aikataulu vaarassa.

https://t.co/eRZ9w5vj9C

[Arska Energy Manager @ArskaEnergy]

Arska version 1.3 alfa 1 now available for testing. New: support for 15-min MTU and Fronius Gen 24 plus control https://t.co/fHGaUlLoYy

[Arska Energy Manager @ArskaEnergy]

Now test running Arska in real world environment: 5 kW Fronius Gen24, Dala's battery emulator and second hand Nissan leaf battery (Arska branch dev-1.1-battery)

[Arska Energy Manager @ArskaEnergy]

If you are using Elering as price source update Arska to latest version 1.1.0-rc2. Elering data communications certificate has changed. More info https://t.co/8UAtXwTLb9

[Arska Energy Manager @ArskaEnergy]

Prototyping battery control of hybrid inverters. Future versions of Arska can optimize charging/discharging based on spot-price, net production and renewable energy forecast.

[Arska Energy Manager @ArskaEnergy]

Esimerkkikohteesta (omakotitalo Kirkkonummella) Liukurilla (@vesanieminen ) laskettuja tuloksia, miten Arskan tekemä kulutuksen ajoitus vaikuttanut toteutuneeseen keskihintaan https://t.co/JyxJhCh8by

[Arska Energy Manager @ArskaEnergy]

Arskan versiolla 1.1 onnistuu myös kuormanhallinta, jolla pidetään tehomaksut kurissa https://t.co/Hm3gbl3r9L

[Arska Energy Manager @ArskaEnergy]

Problems getting NordPool price data from ENTSO-E servers continues due to server problems. Elering price source functions normally for EE, FI, LV and LT https://t.co/v0jeE7pV1f

[Arska Energy Manager @ArskaEnergy]

Arskan blokin 3 (15:00-22:59) keskihinta oli 1.5 c/kWh (121 % keskihinnasta).
Blokin halvimman tunnin 0.6 c/kWh
2 halvimman 0.7 c/kWh
3 halvimman 0.8 c/kWh
4 halvimman 1.0 c/kWh

[Arska Energy Manager @ArskaEnergy]

8/2024 NordPool FI-alueen veroton keskihinta oli 1.2 c/kWh
Vuorokauden halvimman tunnin keskihinta oli 0.1 c/kWh (11 % keskihinnasta)
2 halvinta 0.2 c (13 %)
3 halvinta 0.2 c (16 %)
4 halvinta 0.2 c (19 %)
5 halvinta 0.2 c (20 %)
6 halvinta 0.3 c (23 %)
Hinnat: ENTSO-E/NordPool

[Arska Energy Manager @ArskaEnergy]

Arskan blokin 2 (07:00-14:59) keskihinta oli 1.8 c/kWh (144 % keskihinnasta).
Blokin halvimman tunnin 0.7 c/kWh
2 halvimman 0.9 c/kWh
3 halvimman 1.1 c/kWh
4 halvimman 1.2 c/kWh

[Arska Energy Manager @ArskaEnergy]

Arskan blokin 3 (15:00-22:59) keskihinta oli 1.9 c/kWh (116 % keskihinnasta).
Blokin halvimman tunnin 1.2 c/kWh
2 halvimman 1.3 c/kWh
3 halvimman 1.4 c/kWh
4 halvimman 1.5 c/kWh

[Arska Energy Manager @ArskaEnergy]

7/2024 NordPool FI-alueen veroton keskihinta oli 1.7 c/kWh
Vuorokauden halvimman tunnin keskihinta oli 0.4 c/kWh (23 % keskihinnasta)
2 halvinta 0.5 c (28 %)
3 halvinta 0.5 c (33 %)
4 halvinta 0.6 c (37 %)
5 halvinta 0.7 c (41 %)
6 halvinta 0.7 c (45 %)
Hinnat: ENTSO-E/NordPool

[Arska Energy Manager @ArskaEnergy]

Arskan blokin 2 (07:00-14:59) keskihinta oli 1.8 c/kWh (109 % keskihinnasta).
Blokin halvimman tunnin 1.2 c/kWh
2 halvimman 1.3 c/kWh
3 halvimman 1.4 c/kWh
4 halvimman 1.5 c/kWh

[Arska Energy Manager @ArskaEnergy]

@T1Heikkila Ja dynaamisesti valitut 3 halvinta tuntia 2.7c/kWh (alv 0%), verolla 3.3 c/kWh
https://t.co/VmF7WqyLdS

[Arska Energy Manager @ArskaEnergy]

1-6/24 NordPool FI-alueen veroton keskihinta oli 5.7 c/kWh
Vuorokauden halvimman tunnin keskihinta oli 2.5 c/kWh (43 % keskihinnasta)
2 halvinta 2.6 c (45 %)
3 halvinta 2.7 c (47 %)
4 halvinta 2.7 c (48 %)
5 halvinta 2.8 c (50 %)
6 halvinta 2.9 c (52 %)
Hinnat: ENTSO-E/NordPool