We build software for people who want real control over energy.
NestStats connects live monitoring, local control, and recommendations into one workspace. It is not just a dashboard. It helps you understand generation, consumption, battery behavior, grid flow, WattRouter, and the next best action.
Energy over time
Local data · interval 10:23
Energy flow
PV · consumption · surplus · battery
FV
Home
Export
- Boiler 2.1 kW
- TUV 1.2 kW
- EV charger 0.0 kW
☁ 15.2 °C
70%
9 km/h
17 °C
Where typical energy apps stop being useful
You can see power, SOC, and charts, but you still have to work out whether the system is healthy and what to do next.
×Monitoring sits in one app, rules in another, and relays somewhere else. When something looks wrong, finding the cause takes too long.
×If the internet or an external service goes down, the home view and basic surplus control should not fall apart.
×A homeowner needs to quickly understand what PV is producing, what the home is using, what goes to the grid, and what the WattRouter is capturing.
×What NestStats brings into one workspace
Live data, energy flow, forecasts, recommendations, and local control live in one place. Less switching, clearer decisions.
01⌁
Live status without guessing
PV, inverter, home, battery, grid, and WattRouter are readable together, not as isolated numbers without explanation.
02☷
Surplus under control
WattRouter, boiler, hot water, or EV charging get context: how much surplus exists, what the battery is doing, and whether it is better to wait.
03⌂
The home as one system
NestStats shows how production, load, export, import, and battery behavior connect. That makes even a complex day easier to explain.
04✦
A look ahead
Weather, production estimates, and evening import risk help plan consumption before surplus is wasted or expensive grid draw arrives.
Live overview
One screen for a quick system check
At a glance, you see whether data is fresh, how much PV is producing, what the home is using, what the battery is doing, and how hard the WattRouter is working. You do not need to piece the answer together from several charts.
- System, battery, and data status in one place
- Clear split of production, consumption, grid, and surplus
Energy flow
Where the energy is going right now
Energy flow turns technical measurements into a simple map. You see PV, inverter, home, battery, grid, and WattRouter, so it is immediately clear whether the system is producing, exporting, charging, or drawing power.
- Understandable without technical vocabulary
- Fast check that home, grid, and WattRouter values make sense
Forecasting
Planning around weather and expected production
The forecast shows how much PV may produce today and tomorrow and what that means in practice. It helps time water heating, appliances, or charging so more energy is used at home.
- Estimated kWh, peak output, and daily shape
- Weather explains why the expectation changes
Recommendations
Concrete next steps
NestStats does not stop at an alert. It uses current output, export, battery state, and forecast to suggest a next step, such as moving load into the solar window or protecting the evening battery reserve.
- Short explanation of why the recommendation appeared
- Practical steps instead of generic messages
History and statistics
What happened today, this week, and over time
History shows production, consumption, import, export, and self-sufficiency in context. Instead of disconnected tables, you see whether the system is improving, when the best day happened, and how often it still needed the grid.
- Daily results without manual calculation
- Trends that can be explained to a homeowner
Statistical analysis
When you need to go deeper into the numbers
For technical checks, you get minimums, averages, maximums, and percentiles for power, consumption, battery, and grid values. They help reveal peaks, weak days, phase imbalance, or unusual battery behavior.
- Quick comparison of normal and extreme behavior
- Technical metrics without exporting to a spreadsheet
Intelligent control
Early warnings before a problem grows
The predictive layer watches expected surplus, import, battery state, and anomalies in system behavior. If something looks inefficient, it surfaces it early and suggests a practical intervention.
- Surplus and import-risk estimate ahead of time
- Anomalies explained as operational issues, not just numbers
Import prediction
Will the battery be enough tonight?
The evening forecast turns SOC, expected consumption, and remaining production into a simple import-risk view. It helps decide whether to run large loads or keep reserve for the night.
- Estimated available energy before the evening peak
- Clear estimate of possible import in kWh
Daily story
The energy day explained in plain language
The daily story summarizes how much the system produced, how much the home used, how much went to the grid, and how self-sufficient the home was. It is a quick human-readable note, not another table.
- Short daily summary without manually reading charts
- Production, consumption, export, and self-sufficiency in one narrative
Charts for checking, service, and explanation
When the quick overview is not enough, NestStats opens the detail: PV trackers, battery, AC phases, grid, WattRouter, and the system's environmental impact.
Main dashboard chart
Performance overview
The main chart shows the whole energy day in one view: PV production, home load, battery, import, and export. It is the first place to see whether the system ran smoothly or had spikes.
Environmental impact
Environmental impact in understandable units
The app converts produced energy into CO₂ savings, coal equivalent, and trees saved. The owner sees not only kWh, but also the long-term impact of the system.
CO₂ per day
CO₂ per month
CO₂ per year
CO₂ since start
Coal equivalent
Trees saved
Solar production
PV power and saturation
The chart shows current and peak PV output and the installation utilization percentage. It helps distinguish a weak weather day from a possible system issue.
Import / Export
Grid direction and volume
This chart shows when the home drew power from the grid and when it sent surplus back. It is useful for finding peaks, unexpected import, or unused export.
Consumption mix + battery
Consumption sources and SOC over time
You see how much consumption was covered by PV, battery, or the grid. The SOC curve also shows when the battery charged, supported the home, or started running low.
PV telemetry
MPPT power, voltage, and current
MPPT charts show whether both PV inputs are behaving as expected. If one tracker lags behind, it is easier to find shading, a string issue, or a regulator problem.
Battery and AC grid telemetry
Battery DC parameters and grid frequency
Battery and grid parameters help verify whether the battery reacts correctly and whether the inverter keeps stable output. It is useful for service work and regular checks.
WattRouter + phase symmetry
Load control and AC phase symmetry
This shows how much surplus the WattRouter captured and which relays were active. Together with phase symmetry, it helps reveal whether load control is stressing the system unevenly.
Battery health + phases
Temperature, SOH, cycles, and R/S/T voltages
Temperature, SOH, and cycles show long-term battery behavior. R, S, and T phase voltages help separate battery issues from grid issues.
AC phases – output vs PCC
R/S/T currents and power (output vs grid)
Comparing inverter output and PCC measurements shows what happens on each phase. In three-phase systems, this is important for correct load and export diagnostics.
How measurements become decisions
NestStats reads local values from PV, inverter, battery, grid, WattRouter, and weather.
▦ ◫ ⌂ ☁
It connects values into context: what is production, what is load, what is surplus, and what is import risk.
▥ ⌁ ✦
It suggests the next step, such as using the solar window, protecting the battery, or checking a controlled load.
✓ ⟳ ☷
After the action, you can see whether energy flow, import, export, or WattRouter behavior changed.
▣ ⚡ ↻
Why this is more practical than a typical cloud dashboard
Area
NestStats local-first
Typical cloud dashboard
System control
✓Data and rules stay closer to the home and can be checked without unnecessary switching.
–Many things depend on cloud services, vendor accounts, or closed interfaces.
Surplus control
✓Energy flow, WattRouter, and recommendations are tied to the live home state.
–Surplus is often shown afterwards or controlled by a completely separate tool.
Openness
✓An open-source base, open API, and room for custom integrations.
–Closed ecosystems make service and custom changes harder.
Service and diagnostics
✓A technician can quickly see flow, MPPT, battery, phases, and WattRouter without piecing it together from multiple places.
–Diagnostics are scattered, often without detail or local access.
Who NestStats is for
Homeowners
For people who want to understand where energy is going in the home, when surplus appears, and what makes sense to turn on right now.
- Clear live overview
- Less wasted surplus
- Better load planning
Installers
For service teams and installers who need to explain system state quickly and find issues without jumping through five apps.
- Fast diagnostics
- MPPT, battery, and phase overview
- Fewer calls without data
Technical users
For people who want control over data and automation, not only a ready-made vendor chart.
- Open data
- Custom integrations
- Local rules
Partners who know real installations
Energy should be understandable and controllable.
NestStats is being built as an open tool for homes, installers, and technical users who want to see what the system is really doing and act on it. Data stays closer to the home, control is local, and the product is not locked to one vendor.
Live overview
Local control
Open-source
No vendor lock-in