Harnessing Energy API for Carbon Tracking: Tools for ESG Teams to Monitor Impact

Introduction

In today's rapidly evolving energy landscape, organizations are increasingly focused on sustainability and environmental, social, and governance (ESG) metrics. However, tracking carbon emissions and energy consumption can be a daunting task, especially when relying on disparate data sources that often require extensive manual effort to aggregate and analyze. This is where the Energy API comes into play, providing a unified solution for accessing wholesale energy market data.

The Energy API aggregates data from trusted sources such as OMIE, ENTSO-E, EIA, and Ember, normalizing it into a single, easy-to-use JSON interface. This allows developers, data engineers, and ESG teams to monitor their carbon impact without the hassle of scraping government portals or stitching together incompatible formats. In this blog post, we will explore how to harness the Energy API for effective carbon tracking and provide practical examples of its capabilities.

Why Energy API

The Energy API stands out in the crowded field of energy data solutions for several reasons:

• Unified Data Access: Instead of dealing with multiple APIs, each with different formats and schedules, the Energy API provides a single REST interface. This means developers can save significant time and effort by querying a single endpoint to retrieve data across various commodities, including electricity, natural gas, crude oil, coal, and carbon allowances.
• Comprehensive Coverage: With over 39 symbols across six commodity categories and 16 endpoints, the Energy API offers extensive data coverage. Developers can access spot prices, historical series, intraday curves, and more, all with a consistent JSON schema. This uniformity allows for faster feature development and integration into existing systems.
• Real-Time and Historical Data: The API provides both real-time and historical data, enabling users to analyze trends and make informed decisions. For example, ESG teams can track carbon intensity over time to assess their progress toward sustainability goals.
• Trusted Data Providers: The Energy API aggregates data from reputable sources, ensuring accuracy and reliability. This is crucial for organizations that need to report on their carbon footprint and energy consumption with confidence.

Quick Start

Getting started with the Energy API is straightforward. The base URL for accessing the API is:

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

To make your first request, you will need to include your API key as a query parameter. Here’s an example of how to retrieve the latest prices for Brent Crude and TTF Gas:

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

The expected JSON response will look like this:

{
"success": true,
"date": "2026-06-11",
"base": "MIXED",
"rates": {
"BRENT_CRUDE": 74.82,
"TTF_GAS": 38.15
},
"dates": {
"BRENT_CRUDE": "2026-06-11",
"TTF_GAS": "2026-06-11"
},
"currencies": {
"BRENT_CRUDE": "USD",
"TTF_GAS": "EUR"
}
}

In this response, the success field indicates whether the request was successful, while the rates object contains the latest prices for the requested commodities.

Core Endpoints

Let's dive deeper into some of the core endpoints that are particularly relevant for carbon tracking and ESG reporting.

1. GET /latest

This endpoint retrieves the most recent price for one or more symbols.

Key Params: symbols (required), base (optional), category (optional)

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

Example JSON response:

{
"success": true,
"date": "2026-06-11",
"base": "MIXED",
"rates": {
"BRENT_CRUDE": 74.82,
"TTF_GAS": 38.15,
"EUA_CO2": 67.40
},
"dates": {
"BRENT_CRUDE": "2026-06-11",
"TTF_GAS": "2026-06-11",
"EUA_CO2": "2026-06-11"
},
"currencies": {
"BRENT_CRUDE": "USD",
"TTF_GAS": "EUR",
"EUA_CO2": "EUR"
}
}

In this response, the rates object provides the latest prices for Brent Crude, TTF Gas, and EU ETS allowances (EUA_CO2), which are essential for carbon tracking.

2. GET /historical

This endpoint allows users to retrieve prices for all symbols on a specific past date.

Key Params: date (YYYY-MM-DD, required), symbols (required), base (optional)

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

Example JSON response:

{
"success": true,
"date": "2025-09-15",
"base": "MIXED",
"rates": {
"BRENT_CRUDE": 71.45,
"TTF_GAS": 36.20
},
"currencies": {
"BRENT_CRUDE": "USD",
"TTF_GAS": "EUR"
}
}

This response provides historical prices for Brent Crude and TTF Gas, allowing ESG teams to analyze past trends in energy prices and their correlation with carbon emissions.

3. GET /timeseries

This endpoint retrieves historical series between two dates, which is ideal for charting and trend analysis.

Key Params: start (required), end (required), symbols (required), base (optional)

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

Example JSON response:

{
"success": true,
"base": "MIXED",
"start_date": "2025-01-01",
"end_date": "2025-03-31",
"rates": {
"BRENT_CRUDE": {
"2025-01-02": 76.30,
"2025-01-03": 75.90
},
"TTF_GAS": {
"2025-01-02": 46.80,
"2025-01-03": 47.10
}
},
"frequencies": {
"BRENT_CRUDE": "daily",
"TTF_GAS": "daily"
},
"currencies": {
"BRENT_CRUDE": "USD",
"TTF_GAS": "EUR"
}
}

This response provides daily prices for Brent Crude and TTF Gas over the specified date range, enabling developers to visualize trends and fluctuations in energy prices.

4. GET /carbon-intensity

This endpoint retrieves grid carbon intensity in grams of CO2 equivalent per kilowatt-hour (gCO2eq/kWh) by country.

Key Params: country (ISO-2, required), base (optional)

curl -G https://energy-api.com/api/v1/carbon-intensity \
--data-urlencode "country=DE" \
--data-urlencode "api_key=YOUR_API_KEY"

Example JSON response:

{
"success": true,
"country": "DE",
"carbon_intensity": {
"value": 300,
"unit": "gCO2eq/kWh"
}
}

This response provides the carbon intensity for Germany, which is crucial for ESG teams looking to assess the environmental impact of their energy consumption.

Real-World Use Cases

Here are three concrete examples of how developers can leverage the Energy API to build impactful applications:

• Price Alert System: Developers can create a price alert system that notifies users when energy prices reach a certain threshold. By using the /latest endpoint, they can monitor real-time prices for various commodities and trigger alerts based on user-defined criteria.
• ESG Dashboard: An ESG dashboard can be built to visualize carbon emissions and energy consumption trends. By utilizing the /timeseries and /carbon-intensity endpoints, developers can provide insights into how energy usage impacts carbon footprints over time.
• Cost Calculator: A cost calculator can help businesses estimate their monthly energy expenses based on current market prices. By using the /cost-estimate endpoint, developers can provide users with a simple interface to input their energy consumption and receive accurate cost estimates.

FAQ

How often does the TTF gas price update?

The TTF gas price updates daily, reflecting the most recent market data available from the Energy API. 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 provides historical data for various commodities, allowing users to access prices going back several years. This is particularly useful for trend analysis and forecasting.

Does the API support multiple currencies?

Yes, the Energy API supports multiple currencies. Users can specify their desired currency when making requests, allowing for flexibility in financial analysis and reporting.

Conclusion

In conclusion, the Energy API is an invaluable tool for organizations looking to track their carbon impact and monitor energy consumption effectively. By providing a unified interface for accessing reliable market data, the Energy API eliminates the complexities associated with disparate data sources and manual data aggregation.

Whether you are a developer building an ESG dashboard, a data engineer analyzing historical trends, or a sustainability product team seeking to optimize energy usage, the Energy API offers the features and capabilities you need to succeed. Don't let the challenges of energy data hold you back—try Energy API for free today and unlock the potential of your energy data.