Harnessing Energy API for Automated Carbon Footprint Calculations: A Tool for ESG Teams

Introduction

In today's rapidly evolving energy landscape, organizations are increasingly focused on sustainability and reducing their carbon footprints. For Environmental, Social, and Governance (ESG) teams, accurately calculating carbon emissions is crucial for compliance, reporting, and strategic decision-making. However, obtaining reliable energy market data can be a daunting task, often requiring extensive manual effort to scrape government portals or stitch together disparate data sources. This is where the Energy API comes into play, offering 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 not only saves time but also enhances the accuracy of carbon footprint calculations, enabling ESG teams to focus on what truly matters: driving sustainability initiatives. In this blog post, we will explore how to harness the Energy API for automated carbon footprint calculations, providing developers and data engineers with the tools they need to succeed.

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 its own format and schedule, the Energy API provides a single REST interface that aggregates data from various sources. This means developers can access all necessary data without the hassle of managing different endpoints or formats.
• Comprehensive Coverage: With over 39 symbols across six commodity categories—electricity, natural gas, crude oil, coal, carbon allowances, and grid carbon intensity—the Energy API offers extensive data coverage. This allows ESG teams to analyze multiple facets of energy consumption and emissions in one place.
• Rapid Development: The Energy API's consistent JSON schema across all commodities means that developers can ship features in hours rather than weeks. This accelerates the development cycle, allowing teams to respond quickly to changing market conditions and regulatory requirements.
• Real-Time Data: The API provides access to intraday electricity curves and real-time prices, ensuring that ESG teams have the most up-to-date information for their calculations. This is critical for making informed decisions in a fast-paced energy market.

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 key fields include:

• success: Indicates whether the request was successful.
• date: The date of the data retrieved.
• rates: Contains the latest prices for the requested symbols.
• currencies: Specifies the currency for each symbol.

Core Endpoints

To effectively calculate carbon footprints, ESG teams can leverage several key endpoints from the Energy API. Below are four essential endpoints that provide valuable data:

1. GET /latest

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

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

Example cURL request:

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"
}
}

Key fields include:

• rates: Contains the latest prices for the requested symbols.
• currencies: Specifies the currency for each symbol.

2. GET /historical

This endpoint provides prices for all symbols on a specific past date. If the date falls on a non-publishing day, it returns the most recent value before it.

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

Example cURL request:

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"
}
}

Key fields include:

• rates: Contains the historical prices for the requested symbols.
• currencies: Specifies the currency for each symbol.

3. GET /timeseries

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

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

Example cURL request:

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"
}
}

Key fields include:

• rates: Contains historical prices keyed by date for the requested symbols.
• frequencies: Indicates the frequency of the data (e.g., daily).

4. GET /carbon-intensity

This endpoint provides grid carbon intensity in grams of CO2 equivalent per kWh by country.

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

Example cURL request:

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": {
"gCO2eq/kWh": 200
}
}

Key fields include:

• carbon_intensity: Indicates the carbon intensity of the grid in grams of CO2 equivalent per kWh.

Real-World Use Cases

Developers can leverage the Energy API to build a variety of applications that enhance ESG initiatives. Here are three concrete examples:

1. Price Alert System

By utilizing the /latest endpoint, developers can create a price alert system that notifies users when energy prices exceed a certain threshold. This can help organizations make timely decisions regarding energy procurement and consumption.

2. ESG Dashboard

Using the /carbon-intensity and /historical endpoints, developers can build an ESG dashboard that visualizes carbon emissions over time. This dashboard can provide insights into how energy consumption patterns impact overall sustainability goals.

3. Cost Calculator

With the /cost-estimate endpoint, developers can create a simple monthly wholesale electricity cost calculator. This tool can help organizations estimate their energy expenses based on current market prices and usage patterns.

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 decision-making processes.

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 forecasting.

Does the API support multiple currencies?

Absolutely! The Energy API supports multiple currencies, allowing users to specify their preferred currency for price data. This flexibility is essential for organizations operating in different regions.

Conclusion

In conclusion, the Energy API is a powerful tool for ESG teams seeking to automate carbon footprint calculations and enhance their sustainability initiatives. By providing a unified interface for accessing reliable energy market data, the API eliminates the challenges associated with data scraping and disparate sources. Developers can quickly integrate the API into their applications, enabling them to focus on driving impactful change.

To get started with the Energy API and explore its capabilities, visit Energy API today. With a simple setup and comprehensive data coverage, you can empower your organization to make informed decisions that contribute to a more sustainable future.

Don't miss out on the opportunity to leverage this powerful tool—Try Energy API for free and see the difference it can make for your ESG initiatives!