Grafana for Energy Data: Turning Grid Data into Insight

Valentin Topolovec
Valentin Topolovec
,

The energy sector runs on data, but raw data alone is not enough. Grid operators, utilities, and energy technology teams need a way to turn time-series signals, market information, and network events into clear operational insight. That is where Grafana fits in.

In this post, we show how we use Grafana to build energy dashboards for Germany using public electricity APIs, Python for ingestion and transformation, Docker for a reproducible deployment setup, and PostgreSQL with TimescaleDB for fast time-series storage and querying. This combination creates a practical architecture for turning fragmented power-system data into visual analytics that are useful for engineers, analysts, operators, and stakeholders.

A modern energy dashboard has to bring together multiple kinds of information at once: generation by source, demand and forecast, electricity prices, renewable penetration, and cross-border flows. These signals are time-based, often come from different systems, and need to be interpreted together rather than in isolation. That is why Grafana is such a strong fit for the energy domain.

What Is Grafana?

Grafana is an open-source visualization and dashboarding platform that lets teams query, visualize, alert on, and explore data from many different sources. Dashboards in Grafana are built from panels that transform raw data into visual views such as time-series charts, tables, heatmaps, and stat panels.

There are three core concepts behind Grafana:

  • Data sources
    These are the systems Grafana connects to, such as PostgreSQL, TimescaleDB, Prometheus, or Elasticsearch. In our case, PostgreSQL is the main data source.
  • Panels
    A dashboard is built from visual components such as line charts, stacked area charts, heatmaps, stat cards, tables, and donut charts. Each panel runs a query and presents the result in a way that is useful for decision-making.
  • Dashboards
    A dashboard is a collection of panels arranged around a business or operational use case. Dashboards can be fully customized and tailored to any industry, team, or demand. In energy, that means the same Grafana platform can support market dashboards, renewable forecasting views, grid-operations screens, or executive reporting.

This matters because visualizing power-grid and energy-market information is not trivial. The challenge is not only the amount of data, but also its shape. Energy data is temporal, often geographic, and strongly affected by state changes, weather conditions, cross-border interactions, and market signals. A useful dashboard has to bring these perspectives together in one place. Grafana does that well because it supports multiple visualization types in the same interface and works naturally with time-series and SQL-backed data.

At Kickstage, we see Grafana not as a standalone charting tool, but as part of a broader energy software architecture. Public or internal grid data can be ingested into PostgreSQL or TimescaleDB, enriched with engineering or market logic in Python, and then surfaced in Grafana dashboards for analysis and operations.

The Architecture Behind the Dashboards

The overall system flow is simple and effective: public API data is fetched by Python ingestion scripts, loaded into PostgreSQL and TimescaleDB, and queried by Grafana.

System overview

  • SMARD API
    Public German energy data at 15-minute resolution from Bundesnetzagentur (Federal Network Agency)
  • Fraunhofer Energy-Charts API
    Extended energy data including load analysis, installed capacity, and cross-border flows from Fraunhofer ISE
  • Python ingestion scripts
    Fetch, transform, validate, and load data
  • PostgreSQL + TimescaleDB
    Time-series storage with hypertables, pre-aggregation, and compression
  • Grafana
    Dashboards, charts, tables, heatmaps, and optional alerting

This architecture works well because it separates concerns cleanly. Python handles data collection and transformation, PostgreSQL and TimescaleDB provide robust storage and efficient querying, and Grafana becomes the interface where users explore the data.

Why We Used Python

Python is the ingestion and transformation layer in this setup. That makes sense in energy projects because the bottleneck is usually not raw CPU compute, but external API calls, validation, retries, timestamp handling, and safe database writes.

In our project, the Python ingestion layer handles the operational details that matter in practice:

  • Rate limiting to avoid overwhelming the API
  • Retry logic with exponential backoff on failures
  • Data validation for null or invalid values
  • Timestamp conversion from Unix milliseconds to Python datetime
  • Parallel fetching of multiple filters
  • Incremental updates so only new data is ingested
  • Error handling that allows partial progress
  • Logging for visibility and troubleshooting
  • Idempotent upsert logic so the pipeline is safe to re-run

Python gives us a maintainable way to build data pipelines that are easy to test, extend, and operate. It also works very well with batch inserts and upsert logic, which is exactly what you want for recurring dashboard refreshes.

About the Data Sources

SMARD API (Bundesnetzagentur)

The SMARD API is provided by Germany's Federal Network Agency (Bundesnetzagentur) and serves as the primary source for real-time and historical electricity market data. SMARD stands for "Strommarktdaten" (electricity market data) and provides:

  • Generation data by source: Wind, solar, biomass, nuclear, fossil fuels (coal, gas, oil), hydro, and pumped storage at 15-minute resolution
  • Consumption and forecast data: Actual electricity demand and forecasted load
  • Day-ahead electricity prices: Market prices in EUR/MWh from the European Power Exchange (EPEX)
  • Cross-border exchange flows: Electricity imports and exports with neighboring countries including France, Austria, Switzerland, Poland, Czech Republic, Denmark, Sweden, Netherlands, and Luxembourg

The SMARD API is particularly valuable because it provides official, authoritative data directly from the grid regulator. The data is updated continuously and represents actual operational measurements from the German transmission system operators. The API uses a filter-based system where each data series is identified by a numeric filter ID. For example, filter 410 represents actual electricity consumption, while filter 411 represents forecast consumption.

Fraunhofer Energy-Charts API

The Fraunhofer Energy-Charts API is provided by the Fraunhofer Institute for Solar Energy Systems (ISE) and offers complementary data with additional analytical perspectives:

  • Installed power capacity: Historical and current generating capacity by technology and year, including planned capacity under EEG (Renewable Energy Act) regulations
  • Load and residual load analysis: Total electricity demand and residual load (demand minus wind and solar generation), which shows the portion that must be covered by dispatchable generation
  • Solar generation forecasts: Comparison of actual vs. forecasted solar output for forecast accuracy analysis
  • Cross-border physical flows and trading: Detailed import/export data with neighboring countries, distinguishing between physical electricity flows and commercial trading volumes
  • Public power generation snapshots: Current generation mix breakdowns for real-time monitoring

The Energy-Charts API extends the SMARD data with research-oriented metrics that are especially useful for understanding Germany's energy transition. The installed capacity data, for example, provides structural insight into how the grid's generating potential has evolved over two decades—information that complements the operational generation data from SMARD.

Together, these two APIs provide a comprehensive view of Germany's electricity system: SMARD covers operational and market data at high temporal resolution, while Energy-Charts adds structural, forecasting, and cross-border trade perspectives. Both APIs are publicly accessible, well-documented, and designed for programmatic access, making them ideal foundations for building production-grade energy dashboards.

Why We Used PostgreSQL and TimescaleDB

We used PostgreSQL with TimescaleDB because this is fundamentally a time-series analytics problem. Energy dashboards repeatedly query data by time window: the last 24 hours, the last week, a monthly pattern, an hourly heatmap, or a historical renewable trend.

TimescaleDB improves this by adding time-series capabilities on top of PostgreSQL, while still keeping the simplicity and ecosystem of SQL.

Storage design

The system includes several core tables:

  • generation_data
    Stores MW generation per 15-minute interval by source type
  • consumption_data
    Stores actual demand and forecast demand
  • price_data
    Stores electricity price data in EUR/MWh
  • exchange_data
    Stores cross-border flows, with positive and negative values representing imports and exports

We also use materialized views and pre-aggregation patterns for performance.

TimescaleDB features used

  • Hypertables for automatic time-based partitioning
  • One-day chunk sizing
  • Faster time-range query performance
  • Parallel query execution
  • Optional compression for older chunks
  • Significant storage reduction for historical data

We used TimescaleDB for three main reasons:

  • It improves time-range query performance for dashboard workloads
  • It scales better than plain relational tables for continuously growing historical energy data
  • It supports production-friendly features such as compression, hypertables, and pre-aggregation

This matters because Grafana dashboards should feel interactive. Even when users zoom out to months of data, panels still need to load quickly.

Two Germany Energy Dashboards Built with Grafana

In this post, we used Grafana to create dashboards that visualize German power-system behavior using two public APIs.Together, these dashboards show how Grafana can transform public grid and market data into operational insight.

1. Germany Power Mix & Price Dashboard

The first dashboard focuses on generation mix, demand, forecasts, wholesale electricity prices, renewable penetration, and cross-border dependency.

grafana germany energy grid dashboard


APIs used

This dashboard is primarily built on the SMARD API. In the broader project, we also support optional enrichment from the Fraunhofer Energy-Charts API.

The pattern is straightforward: Python fetches and validates the data, PostgreSQL stores it, and Grafana queries it to create dashboards.

Business use case

This dashboard can be used to explain market behavior, renewable penetration, price volatility, and import/export dependency. It is useful for internal analytics, innovation demos, public-facing energy insights, or as the basis for a more advanced operational dashboard.

Grafana is well suited for this because panels query and transform raw data into visualizations, and Grafana can query SQL sources such as PostgreSQL directly.

Widget 1: Demand vs Forecast

This panel compares actual electricity demand with forecast demand over time. It helps users understand whether real load is tracking expectations or diverging from them.
Forecast accuracy is critical for grid operators because it drives unit commitment decisions, reserve scheduling, and market participation strategies. Large deviations between actual and forecast can indicate forecast model issues, unexpected weather events, or unplanned industrial load changes. 

1SELECT
2 date_trunc('hour', timestamp) AS time,
3 AVG(consumption_mw) AS "Actual",
4 AVG(forecast_mw) AS "Forecast"
5FROM consumption_data
6WHERE $__timeFilter(timestamp)
7GROUP BY 1
8ORDER BY 1;
9


Demand vs Forecast


In Grafana, this query feeds a time-series panel where actual demand is shown as one line and forecast demand as another. That makes deviations easy to spot visually.

Widget 2: Generation Mix Over Time (Stacked)

The Generation Mix Over Time widget shows how each generation technology contributes to total supply across time.

This visualization reveals the dynamic nature of the energy system: how solar generation peaks during midday and drops to zero at night, how wind varies with weather patterns, and how conventional generation (gas, coal, nuclear) adjusts to fill gaps left by intermittent renewables. The stacked view makes it easy to see whether the grid is running clean or relying heavily on fossil fuels at any moment.

1SELECT
2 date_trunc('hour', timestamp) AS time,
3 source_type AS metric,
4 AVG(generation_mw) AS value
5FROM generation_data
6WHERE $__timeFilter(timestamp)
7GROUP BY 1, 2
8ORDER BY 1, 2;


This works especially well in Grafana because the metric column becomes a separate visual series, allowing the panel to render a stacked time-series chart.

This panel is valuable because it tells a complete story about the supply side: how solar rises during the day, how wind changes over time, and how conventional generation fills in the rest.

Widget 3: Hourly Price Heatmap

The Hourly Price Heatmap transforms day-ahead price data into a color-coded view of price intensity. Unlike time-series charts that show price changes chronologically, heatmaps reveal recurring patterns by hour of day and day of week or month. This makes it easy to identify structural market behavior: when prices are consistently high (evening peaks), when they're low (midday solar flooding), and how weekends differ from weekdays. Energy traders, schedulers, and demand-response operators use heatmaps to spot arbitrage opportunities and optimize consumption patterns.

1SELECT
2 timestamp AS time,
3 EXTRACT(HOUR FROM timestamp) AS "Hour of Day",
4 price_eur_mwh
5FROM price_data
6WHERE $__timeFilter(timestamp)
7 AND market_type = 'day_ahead_price'
8ORDER BY 1;


Grafana uses this result to render a heatmap in which warmer colors indicate higher price levels. Hot spots often cluster in the early evening, especially around 19:00 to 21:00, when demand remains high while solar output has dropped.


This kind of panel is powerful because it shows recurring market structure, not just isolated spikes.

2. Energy-Charts Dashboard made with Fraunhofer Energy-Charts API

The second dashboard is built on the Fraunhofer Energy-Charts API.

This dashboard expands the analytical view with additional data such as residual load, solar forecast comparison, cross-border physical flows, and generation snapshots.

Energy-Charts — Germany

Widget: Load vs Residual Load

This widget shows total load and residual load in the same panel.

Residual load is especially important in power systems because it represents demand after wind and solar have been accounted for. In other words, it reflects the portion of demand that still has to be met by conventional generation, storage, or imports. As renewable penetration increases, residual load becomes the key metric for understanding what dispatchable capacity is actually needed. A low or negative residual load indicates that renewables are covering most or all of demand, while a high residual load means conventional plants must ramp up significantly.

grafana widget load vs residual load


1SELECT
2 timestamp AS time,
3 series_name AS metric,
4 value
5FROM energy_charts_series
6WHERE endpoint = 'public_power'
7 AND series_name IN ('load', 'residual_load')
8 AND $__timeFilter(timestamp)
9ORDER BY 1;


In Grafana, this works as a time-series panel with multi-series hover tooltips so both lines can be compared at the same timestamp. The visual gap between total load and residual load shows the contribution of wind and solar in real time—when the gap is wide, renewables are doing heavy lifting; when the gap narrows, the grid depends more on dispatchable sources. This metric is essential for understanding the duck curve effect and planning flexible generation resources.

Widget: Solar Actual vs Forecast

This widget compares actual solar generation with forecast solar generation. Solar forecasting is challenging because cloud cover, atmospheric transparency, and temperature all affect output, and these factors are difficult to predict accurately beyond a few hours. This panel allows grid operators and renewable asset managers to assess forecast quality and understand when predictions are reliable vs. when they deviate significantly. Persistent forecast errors can indicate model calibration issues, seasonal bias, or changes in installed capacity that aren't reflected in the forecast baseline.

Solac actual vs forecast energy graph


1SELECT
2 timestamp AS time,
3 CASE
4 WHEN endpoint = 'public_power' THEN 'solar_actual_mw'
5 ELSE 'solar_forecast_mw'
6 END AS metric,
7 value
8FROM energy_charts_series
9WHERE $__timeFilter(timestamp)
10 AND (
11 (endpoint = 'public_power' AND series_name = 'solar')
12 OR (endpoint = 'public_power_forecast' AND series_name = 'solar_forecast_mw')
13 )
14ORDER BY 1;


In the dashboard, the actual series is shown as a solid line and the forecast series as a dashed line. This makes forecast error visually obvious and turns the panel into a useful operational comparison rather than just a generic chart.

Widget: Installed Capacity by Technology (Yearly, GW) - Stacked Bar Chart

One of the very powerful visualizations for understanding Germany's energy transition is the installed capacity chart. Unlike generation data that shows what the grid is producing at any moment, installed capacity shows the structural potential of the entire power system—the maximum generating capability available from each technology.

This widget displays how Germany's electricity generation infrastructure has evolved over the past two decades, revealing critical trends such as the phase-out of nuclear power, the expansion of renewable energy, and changes in fossil fuel capacity.

installed energy capacity in Germanz by technology


The SQL Query

This panel uses a SQL query that pivots time-series data into a format suitable for stacked bar charts:

1WITH latest AS (
2 SELECT MAX(timestamp) AS ts
3 FROM energy_charts_series
4 WHERE endpoint = 'installed_power'
5),
6raw_data AS (
7 SELECT
8 (regexp_match(e.series_name, '^(.*)_([0-9]{4})$'))[2] AS year_str,
9 (regexp_match(e.series_name, '^(.*)_([0-9]{4})$'))[1] AS technology,
10 e.value
11 FROM energy_charts_series e
12 INNER JOIN latest l ON e.timestamp = l.ts
13 WHERE e.endpoint = 'installed_power'
14 AND e.series_name ~ '_[0-9]{4}$'
15)
16SELECT
17 year_str AS "Year",
18 SUM(CASE WHEN technology = 'biomass' THEN value END) AS "Biomass",
19 SUM(CASE WHEN technology = 'fossil_brown_coal_lignite' THEN value END) AS "Fossil Brown Coal",
20 SUM(CASE WHEN technology = 'fossil_hard_coal' THEN value END) AS "Fossil Hard Coal",
21 SUM(CASE WHEN technology = 'fossil_gas' THEN value END) AS "Fossil Gas",
22 SUM(CASE WHEN technology = 'fossil_oil' THEN value END) AS "Fossil Oil",
23 SUM(CASE WHEN technology = 'hydro' THEN value END) AS "Hydro",
24 SUM(CASE WHEN technology = 'hydro_pumped_storage' THEN value END) AS "Hydro Pumped Storage",
25 SUM(CASE WHEN technology = 'nuclear' THEN value END) AS "Nuclear",
26 SUM(CASE WHEN technology = 'other_non_renewable' THEN value END) AS "Other Non-Renewable",
27 SUM(CASE WHEN technology = 'solar_ac' THEN value END) AS "Solar AC",
28 SUM(CASE WHEN technology = 'solar_dc' THEN value END) AS "Solar DC",
29 SUM(CASE WHEN technology = 'wind_offshore' THEN value END) AS "Wind Offshore",
30 SUM(CASE WHEN technology = 'wind_onshore' THEN value END) AS "Wind Onshore",
31 SUM(CASE WHEN technology = 'battery_storage_capacity' THEN value END) AS "Battery Storage Capacity"
32FROM raw_data
33GROUP BY year_str
34ORDER BY year_str ASC;


How This Query Works

Step 1: Find the Latest Data Batch

The latest CTE identifies the most recent ingestion timestamp for installed capacity data. This is important because the Energy-Charts API provides snapshot data that is updated periodically, and we want to ensure all technologies are compared using the same data vintage.

1WITH latest AS (
2 SELECT MAX(timestamp) AS ts
3 FROM energy_charts_series
4 WHERE endpoint = 'installed_power'
5)

Step 2: Parse Technology and Year from Series Names

The Energy-Charts API stores data with series names formatted as {technology}_{year}, such as solar_ac_2015 or wind_onshore_2023. We use PostgreSQL's regexp_match function to extract both components:

1raw_data AS (
2 SELECT
3 (regexp_match(e.series_name, '^(.*)_([0-9]{4})$'))[2] AS year_str,
4 (regexp_match(e.series_name, '^(.*)_([0-9]{4})$'))[1] AS technology,
5 e.value
6 FROM energy_charts_series e
7 INNER JOIN latest l ON e.timestamp = l.ts
8 WHERE e.endpoint = 'installed_power'
9 AND e.series_name ~ '_[0-9]{4}$'
10)

Step 3: Pivot the Data

The final SELECT statement pivots rows into columns using conditional aggregation. Each CASE WHEN expression filters for a specific technology and SUM aggregates its value. This transforms long-format data (many rows, one per technology-year) into wide-format data (one row per year, one column per technology).

This format is exactly what Grafana's bar chart visualization expects: a single dimension (Year) on the X-axis and multiple metrics (each technology) as separate series.

What This Widget Shows

This visualization reveals several powerful insights about Germany's energy transition:

1. Nuclear Phase-Out
The steady decline of nuclear capacity from over 20 GW in the early 2000s to complete phase-out by 2023 is clearly visible as a shrinking segment of the stacked bars.

2. Renewable Expansion
Solar and wind capacity show dramatic growth. Solar (both AC and DC) expands from nearly nothing in 2002 to over 60 GW by 2023. Wind onshore grows from approximately 12 GW to over 50 GW during the same period, while wind offshore adds another 8+ GW.

3. Fossil Fuel Transition
Hard coal capacity decreases significantly, reflecting Germany's commitment to reduce coal-fired generation. Gas capacity remains relatively stable or grows slightly, serving as a flexible backup for intermittent renewables.

4. Total System Capacity Growth
The height of each stacked bar shows total installed capacity. This reveals that Germany's grid has significantly increased its total generating capability, driven primarily by renewable additions that more than offset the retirement of nuclear and coal plants.

5. Storage Infrastructure
Battery storage capacity appears in recent years, signaling Germany's investment in grid-scale energy storage to manage renewable variability.

Why Stacked Bars Work Well for This Data

We chose a stacked bar chart for several reasons:

  • Composition over time: Stacked bars show both the total capacity (bar height) and how that total breaks down by technology (colored segments)
  • Trend visibility: The growth of renewables and decline of conventional generation are immediately obvious
  • Comparative analysis: Users can compare the relative size of each technology segment across different years
  • Categorical time axis: Years are discrete categories, not continuous time, making bars more appropriate than lines

Panel Configuration in Grafana

In the dashboard JSON, this panel is configured with the following key settings:

  • Visualization Type: barchart
  • Stacking: Set to "normal" so that all technology series stack on top of each other rather than overlapping
  • X-axis: Year labels rotated -45 degrees to prevent overlap and improve readability
  • Legend: Displayed as a table on the right side with the "lastNotNull" calculation showing the most recent capacity value for each technology
  • Field Overrides: The Year field is explicitly treated as a string/category rather than a numeric value, ensuring proper categorical display on the X-axis
  • Tooltip: Set to "multi" mode with descending sort, so hovering over any year shows all technologies ranked by capacity

Here's the relevant configuration from the dashboard JSON:

1{
2 "type": "barchart",
3 "options": {
4 "stacking": "normal",
5 "orientation": "auto",
6 "barWidth": 0.85,
7 "groupWidth": 0.7,
8 "xTickLabelRotation": -45,
9 "legend": {
10 "displayMode": "table",
11 "placement": "right",
12 "showLegend": true,
13 "calcs": ["lastNotNull"]
14 },
15 "tooltip": {
16 "mode": "multi",
17 "sort": "desc"
18 }
19 },
20 "fieldConfig": {
21 "defaults": {
22 "unit": "short",
23 "decimals": 1,
24 "custom": {
25 "axisLabel": "Installed Capacity (GW)",
26 "fillOpacity": 80
27 }
28 },
29 "overrides": [
30 {
31 "matcher": {
32 "id": "byName",
33 "options": "Year"
34 },
35 "properties": [
36 {
37 "id": "unit",
38 "value": "string"
39 }
40 ]
41 }
42 ]
43 }
44}

This configuration ensures that the visualization is both informative and visually clear, allowing users to quickly grasp decades of energy infrastructure evolution at a glance.

Additional useful widgets in this dashboard

The Energy-Charts dashboard also includes several other strong examples of Grafana panels for energy analytics:

  • Generation mix snapshot using a donut chart
  • Cross-border physical flows by neighbor in MW
  • Cross-border electricity trading by neighbor in MW
  • Renewable share of load and generation over time

How We Create Widgets in Code

There are two practical ways to create Grafana widgets.

The first is to define them as configuration in dashboard JSON. This is useful when dashboards are version-controlled and shipped as part of the application. In this project, the dashboards live as JSON files under grafana/dashboards/, and each panel includes its SQL query, visualization type, styling, legend behavior, and tooltip settings.

That approach is ideal when you want reproducible dashboards that can be committed to git, deployed automatically, and reviewed like code.
ersion Control and Deployment

Version Control and Deployment

In our example, dashboards live in grafana/dashboards/ as JSON files:

Grafana is configured to automatically provision dashboards from this directory on startup. This means:

  • Dashboards are version-controlled alongside application code
  • Changes can be reviewed in pull requests
  • Dashboards deploy automatically with docker-compose up
  • The entire stack (database, ingestion, dashboards) can be reproduced from a single repository

This is a significant operational advantage. Traditional BI tools often store dashboards in proprietary databases or require manual export/import workflows. Grafana's JSON-based approach makes dashboards as portable and reviewable as any other code artifact.

How We Create Widgets in the Grafana UI

The second approach is to create panels directly in the Grafana UI. This is especially useful during exploration or when a team wants to prototype a panel quickly before exporting it into version-controlled JSON.

A typical workflow looks like this:

  1. Open Grafana and create or open a dashboard
  2. Click Add panel
  3. Choose the PostgreSQL data source
  4. Paste or build the SQL query
  5. Select the visualization type such as Time series, Heatmap, Stat, Table, or Pie chart
  6. Configure legend, tooltip, units, thresholds, stacking, and line styles
  7. Save the panel and then save the dashboard
add panel in grafana


Why This Matters for Energy Companies

Grafana is especially relevant for energy and grid data because energy systems are not only temporal, but also operational and contextual. Teams need to understand what changed, when it changed, how strongly it changed, and what that means for the system.

That is difficult to do with isolated spreadsheets or generic BI dashboards. Grafana is better suited because it combines SQL-driven queries, multiple visualization modes, interactivity, and dashboard composition in one place.

For energy companies, the real value is not just charting. It is integration. A public-data prototype built on SMARD or Energy-Charts can later evolve into a production-grade platform that includes SCADA, EMS outputs, forecasting systems, simulation tools, and internal analytics pipelines, while Grafana remains the visual and alerting layer.

Grafana as the Visualization Layer for Modern Grid Operations

At Kickstage, we build SCADA and EMS platforms, dynamic security assessment tools, and next-generation control center architectures for TSOs and DSOs. In these systems, Grafana serves as the front-end visualization layer that unifies data from multiple backend sources.

SCADA Integration

Modern SCADA systems generate massive volumes of real-time telemetry: voltage, current, frequency, active and reactive power, breaker status, transformer tap positions, and alarm signals. This data flows through communication protocols such as IEC 60870-5-104, TASE.2/ICCP, Modbus, and OPC UA.

By storing SCADA measurements in PostgreSQL or TimescaleDB, Grafana can query and visualize:

  • Real-time substation monitoring: Voltage profiles, transformer loading, circuit breaker states
  • Network topology views: Live maps showing energized equipment and switching states
  • Alarm dashboards: Time-series alarm counts, acknowledgment rates, and alarm flood detection
  • Performance metrics: SCADA polling latency, communication quality, and data availability

Grafana's alerting system can trigger notifications when measurements exceed thresholds, providing operators with proactive awareness of grid conditions.

EMS Outputs and Network Analysis

Energy Management Systems perform critical analytical functions such as state estimation, load flow analysis, and contingency screening. These tools generate outputs that need to be monitored, validated, and acted upon. Grafana can visualize:

  • State estimation quality: Residuals, bad data detection, and observability metrics
  • Contingency analysis results: N-1 and N-2 violation counts, overload severity, voltage deviations
  • Optimal power flow: Generation dispatch recommendations, congestion costs, nodal prices
  • Power system snapshots: Bus voltages, line flows, transformer loading across the network

By connecting Grafana to the EMS database or message bus, operators gain visibility into the health and performance of their analytical tools—not just the grid itself.

Simulation and Planning Tools

Simulation frameworks like PandaPower, Powsybl, and PowerFactory® are essential for offline studies, planning scenarios, and dynamic security assessment. These tools generate study results that are often exported to CSV, stored in databases, or published via APIs.

Grafana can transform simulation outputs into interactive dashboards:

  • Load flow study results: Voltage heatmaps, loading percentages, reactive power reserves
  • Dynamic stability analysis: Rotor angle swings, frequency nadir, voltage recovery time
  • Renewable integration studies: Hosting capacity curves, curtailment statistics, grid impact metrics
  • FACTS and PST control strategies: Performance comparison across control scenarios

This makes simulation results accessible to stakeholders who need insight without running the simulation tools themselves.

Forecasting and Predictive Analytics

Grid operators increasingly rely on forecasts for load, renewable generation, and market prices. Grafana excels at comparing forecast vs. actual data, as shown in the Solar Actual vs Forecast and Demand vs Forecast widgets in this post.

For production systems, Grafana can:

  • Track forecast accuracy: Mean Absolute Error (MAE), Root Mean Squared Error (RMSE), bias trends
  • Visualize ensemble forecasts: Probabilistic bands, multiple forecast models side-by-side
  • Monitor forecast pipeline health: Data freshness, model execution time, API response latency

Forecast dashboards help operators understand prediction reliability and improve decision-making under uncertainty.

Internal Analytics and Data Integration

Modern energy companies generate data from many internal systems: asset management databases, maintenance logs, outage management systems, customer information systems, and financial platforms. Grafana can unify these disparate sources into cohesive dashboards.

Examples include:

  • Asset health monitoring: Combining sensor data, maintenance schedules, and failure predictions
  • Outage analytics: Correlation between weather events, equipment failures, and customer impact
  • Renewable portfolio performance: Aggregating production data from distributed solar, wind, and storage assets
  • Market and operations correlation: Visualizing price signals alongside generation dispatch and grid constraints

By connecting Grafana to internal databases, APIs, and data lakes, teams create a single pane of glass for cross-functional insight.

Security, Scalability, and Reliability

Mission-critical grid operations demand high availability, cybersecurity, and deterministic performance. Grafana fits naturally into secure, enterprise-grade architectures:

  • Role-based access control (RBAC): Restrict dashboard visibility by team, function, or security clearance
  • Audit logging: Track who accessed which data and when
  • High availability deployment: Run Grafana in Kubernetes with redundant replicas and load balancing
  • Read-only data sources: Grafana queries databases without modifying operational systems
  • Network segmentation: Deploy Grafana within control center networks or DMZ architectures

At Kickstage, we design Grafana deployments that meet the reliability and security standards required for TSO and DSO environments. Learn more about our approach on our Software Solutions for Modern Power Grids page.

Conclusion

Grafana is a powerful tool for building custom solutions for the energy sector. It helps turn complex grid and market data into dashboards that are visually clear, operationally useful, and easy to adapt as business needs evolve.

In our setup, Python handles ingestion and transformation, PostgreSQL and TimescaleDB provide fast storage for time-series analytics, Docker gives us a reproducible deployment setup, and Grafana becomes the interface where energy data turns into insight.

The result is more than a dashboard. It is the foundation for a decision-support interface for the digital grid.

At Kickstage, we help energy companies design and build software systems that make grid and market data usable in the real world. Whether the goal is a public-facing energy dashboard, a grid operations interface, or a custom analytics solution connected to internal infrastructure, Grafana can be part of a modern, scalable, and highly effective energy software stack. Contact us to discuss your energy data challenges.


Disclaimer: This post demonstrates dashboard development using publicly available data from third-party APIs (SMARD and Energy-Charts). Kickstage does not warrant the accuracy, completeness, reliability, or timeliness of any information obtained from these external sources. The data and visualizations are provided "as is" without any guarantees, express or implied. This content is for educational and demonstration purposes only and should not be relied upon for operational, commercial, or investment decisions. Always verify data independently before use in production systems.



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Valentin Topolovec

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