Hi there! Keilhau.org is a small spare time project. It shows what the machines at home are doing, what the roof produces and keeps a few notes about Linux and development that seemed worth writing down.

PV now

-6.4 GW

PV today

64.8 kWh

PV total

40.5 MWh

Ping 8.8.8.8

10.5 ms

Loss 24h

0.00 %

Export now

0.0 W

Server load

0.00

CPU temp

29 °C

Uptime

94 days

Values as of 2026-09-28 00:00. The graphs are updated every hour, click on a graph for the details.

Connectivity

Ping round trip time to 8.8.8.8 over the last 24 hours

Photovoltaics

PV generation and household consumption over the last 24 hours
PV yield per day of both inverters over the last 365 days

Lifetime yield 40.5 MWh: 39751 kWh from the roof inverter, 731 kWh from the micro inverter.

Server

CPU usage of node1 over the last 24 hours

Network

Network traffic of node1 over the last 24 hours

More

Statistics

  • Photovoltaics — generation, consumption, grid, strings, phases, yield

  • Connectivity — round trip time and packet loss

  • Server — cpu, load, memory, network, disks

  • Temperature — server and roof

Notes

Impressum

The german law demands this

Timo Keilhau
Auf dem Berge 16
38228 Salzgitter
Email: timo(at)keilhau.org

A good rule for rocket experimenters to follow is this: always assume that it will explode

— Astronautics
issue 38; October 1937