How to Build an ESG Carbon Emissions Dashboard with the Energy API

Introduction

As the world increasingly focuses on sustainability and environmental responsibility, organizations are under pressure to monitor and report their carbon emissions. This is where an Environmental, Social, and Governance (ESG) carbon emissions dashboard becomes essential. Such a dashboard not only helps organizations track their carbon footprint but also provides insights into how they can reduce emissions and comply with regulations. However, building a comprehensive ESG dashboard can be a daunting task, especially when it comes to sourcing reliable data from various energy markets.

Many developers face challenges when trying to aggregate data from disparate sources, often leading to wasted time and resources. Manually scraping government portals or stitching together incompatible formats can be inefficient and error-prone. Fortunately, Energy API offers a unified solution that simplifies the process of accessing wholesale energy market data, including carbon emissions data. In this blog post, we will explore how to build an ESG carbon emissions dashboard using the Energy API, highlighting its key features and endpoints that make this task easier.

Why Energy API

Energy API stands out in the crowded landscape of data providers for several reasons:

• One Unified Interface: Instead of dealing with multiple data sources like OMIE, ENTSO-E, and EIA, Energy API provides a single REST interface that normalizes data into a unified JSON format. This means developers can spend less time on data integration and more time on building valuable applications.
• Comprehensive Data Coverage: With over 39 symbols across six commodity categories—electricity, gas, oil, coal, carbon, and carbon intensity—developers can access a wide range of data points relevant to their ESG initiatives. This comprehensive coverage allows for more robust analysis and reporting.
• Rapid Development: The Energy API offers 16 endpoints that cover everything from spot prices to historical series and fluctuation analysis. This means developers can implement features in hours rather than weeks, significantly speeding up the time to market for their applications.
• Trusted Data Sources: Energy API aggregates data from reputable providers like OMIE, ENTSO-E, and EIA, ensuring that the information is reliable and up-to-date. This trustworthiness is crucial for organizations that need to report accurate emissions data.

Quick Start

To get started with the Energy API, you will need to know the base URL and how to make your first request. The base URL for the Energy API is:

https://energy-api.com/api/v1

To authenticate your requests, you will need to include your API key as a query parameter. Here’s how to make your first request to get the latest carbon emissions data:

curl -G https://energy-api.com/api/v1/latest \
--data-urlencode "symbols=EUA_CO2" \
--data-urlencode "api_key=YOUR_API_KEY"

The expected JSON response will look like this:

{
"success": true,
"date": "2026-06-11",
"base": "EUR",
"rates": {
"EUA_CO2": 67.40
},
"currencies": {
"EUA_CO2": "EUR"
}
}

In this response, the key fields are:

• success: Indicates whether the request was successful.
• date: The date for which the data is reported.
• base: The currency in which the rates are provided.
• rates: An object containing the latest rates for the requested symbols.
• currencies: An object mapping each symbol to its currency.

Core Endpoints

Now that you have a basic understanding of how to make requests, let’s dive into some core endpoints that are particularly relevant for building an ESG carbon emissions dashboard.

1. GET /latest

This endpoint retrieves the most recent price for one or more symbols, making it ideal for real-time monitoring of carbon emissions prices.

Key Parameters:

• symbols: Required. A comma-separated list of symbols to retrieve.
• base: Optional. Currency filter for the returned rates.

cURL Example:

curl -G https://energy-api.com/api/v1/latest \
--data-urlencode "symbols=EUA_CO2" \
--data-urlencode "api_key=YOUR_API_KEY"

JSON Response:

{
"success": true,
"date": "2026-06-11",
"base": "EUR",
"rates": {
"EUA_CO2": 67.40
},
"currencies": {
"EUA_CO2": "EUR"
}
}

Field Explanation:

• success: Indicates if the request was successful.
• date: The date of the latest price.
• base: The currency of the rates.
• rates: Contains the latest price for the requested symbol.
• currencies: Maps the symbol to its currency.

2. GET /historical

This endpoint provides historical prices for all symbols on a specific past date, which is crucial for analyzing trends over time.

Key Parameters:

• date: Required. The date for which to retrieve historical data (format: YYYY-MM-DD).
• symbols: Required. A comma-separated list of symbols.
• base: Optional. Currency filter for the returned rates.

cURL Example:

curl -G https://energy-api.com/api/v1/historical \
--data-urlencode "date=2025-09-15" \
--data-urlencode "symbols=EUA_CO2" \
--data-urlencode "api_key=YOUR_API_KEY"

JSON Response:

{
"success": true,
"date": "2025-09-15",
"base": "EUR",
"rates": {
"EUA_CO2": 65.00
},
"currencies": {
"EUA_CO2": "EUR"
}
}

Field Explanation:

• success: Indicates if the request was successful.
• date: The date for which the historical price is reported.
• base: The currency of the rates.
• rates: Contains the historical price for the requested symbol.
• currencies: Maps the symbol to its currency.

3. GET /timeseries

This endpoint allows you to retrieve historical series between two dates, which is ideal for charting and trend analysis.

Key Parameters:

• start: Required. The start date for the time series (format: YYYY-MM-DD).
• end: Required. The end date for the time series (format: YYYY-MM-DD).
• symbols: Required. A comma-separated list of symbols.
• base: Optional. Currency filter for the returned rates.

cURL Example:

curl -G https://energy-api.com/api/v1/timeseries \
--data-urlencode "start=2025-01-01" \
--data-urlencode "end=2025-03-31" \
--data-urlencode "symbols=EUA_CO2" \
--data-urlencode "api_key=YOUR_API_KEY"

JSON Response:

{
"success": true,
"base": "EUR",
"start_date": "2025-01-01",
"end_date": "2025-03-31",
"rates": {
"EUA_CO2": {
"2025-01-02": 66.00,
"2025-01-03": 67.00
}
},
"frequencies": {
"EUA_CO2": "daily"
},
"currencies": {
"EUA_CO2": "EUR"
}
}

Field Explanation:

• success: Indicates if the request was successful.
• start_date: The start date of the time series.
• end_date: The end date of the time series.
• rates: Contains the historical prices for the requested symbol keyed by date.
• frequencies: Indicates the frequency of the data (e.g., daily).
• currencies: Maps the symbol to its currency.

4. GET /fluctuation

This endpoint provides start and end values, absolute change, and percentage change over a specified period, which is useful for understanding market volatility.

Key Parameters:

• start: Required. The start date for the fluctuation analysis (format: YYYY-MM-DD).
• end: Required. The end date for the fluctuation analysis (format: YYYY-MM-DD).
• symbols: Required. A comma-separated list of symbols.
• base: Optional. Currency filter for the returned rates.

cURL Example:

curl -G https://energy-api.com/api/v1/fluctuation \
--data-urlencode "start=2025-01-01" \
--data-urlencode "end=2025-03-31" \
--data-urlencode "symbols=EUA_CO2" \
--data-urlencode "api_key=YOUR_API_KEY"

JSON Response:

{
"success": true,
"fluctuation": {
"EUA_CO2": {
"start_value": 66.00,
"end_value": 67.00,
"change": 1.00,
"change_pct": 1.52
}
}
}

Field Explanation:

• success: Indicates if the request was successful.
• fluctuation: Contains fluctuation data for the requested symbol.
• start_value: The price at the start of the period.
• end_value: The price at the end of the period.
• change: The absolute change in price over the period.
• change_pct: The percentage change in price over the period.

Real-World Use Cases

Now that we have covered the core endpoints, let’s look at some real-world use cases for building an ESG carbon emissions dashboard using the Energy API.

1. Price Alert System

Developers can build a price alert system that notifies users when the price of carbon allowances (EUA_CO2) reaches a certain threshold. By using the /latest endpoint, the application can check the current price and send alerts via email or SMS when the price crosses the defined limit.

2. ESG Dashboard

An ESG dashboard can be created to visualize carbon emissions data over time. By utilizing the /timeseries endpoint, developers can fetch historical data and display it in charts, helping organizations track their emissions and make informed decisions about sustainability initiatives.

3. Cost Calculator

A cost calculator can be built to estimate the financial impact of carbon emissions based on current prices. By using the /fluctuation endpoint, developers can analyze price changes over time and provide insights into potential costs associated with carbon allowances.

FAQ

How often does the TTF gas price update?

The TTF gas price updates daily, reflecting the most recent market conditions. This ensures that users have access to the latest pricing information for their analysis and decision-making.

Can I get historical energy prices going back 5 years?

Yes, the Energy API allows you to retrieve historical prices for various symbols, enabling you to access data going back several years. This is particularly useful for trend analysis and reporting.

Does the API support multiple currencies?

Yes, the Energy API supports multiple currencies. You can specify the base currency in your requests, allowing you to retrieve prices in your preferred currency.

Conclusion

Building an ESG carbon emissions dashboard is a critical step for organizations looking to enhance their sustainability efforts. With the Energy API, developers can easily access reliable and normalized data from various energy markets, eliminating the complexities of data integration. By leveraging the core endpoints discussed in this post, you can create powerful applications that provide valuable insights into carbon emissions.

Don't let the challenges of data aggregation hold you back. Start building your ESG dashboard today with the help of Energy API. With a unified interface and comprehensive data coverage, you can focus on what matters most—driving sustainability initiatives and making informed decisions. Try Energy API for free and see how it can transform your approach to energy data.