Enhancing Corporate Sustainability Strategies: How ESG Teams Can Leverage Energy API for Impact Measurement

Introduction

In today's rapidly evolving energy landscape, organizations are increasingly recognizing the importance of sustainability and environmental responsibility. As a result, Environmental, Social, and Governance (ESG) teams are tasked with measuring and reporting on their companies' sustainability efforts. However, obtaining reliable and timely energy market data can be a significant challenge. Traditional methods often involve scraping government portals or stitching together data from various sources, which can be time-consuming and error-prone.

This is where Energy API comes into play. By providing a unified REST API that aggregates wholesale energy market data from trusted sources, Energy API simplifies the process of accessing critical information. This blog post will explore how ESG teams can leverage Energy API to enhance their sustainability strategies through effective impact measurement.

Why Energy API

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

• One Unified Interface: Instead of dealing with multiple data sources like OMIE, ENTSO-E, and EIA, Energy API offers a single, normalized REST interface. This means developers can access a wide range of data without worrying about different formats or naming conventions, significantly reducing the time spent on data integration.
• Comprehensive Data Coverage: With over 39 symbols across six commodity categories—electricity, natural gas, crude oil, coal, carbon allowances, and grid carbon intensity—Energy API provides a holistic view of the energy market. This extensive coverage allows ESG teams to analyze various aspects of their energy consumption and emissions.
• Rapid Development: The consistent JSON schema across all commodities means that developers can ship features in hours rather than weeks. This rapid development cycle is crucial for teams looking to implement timely sustainability measures and reporting.
• Trusted Data Providers: Energy API aggregates data from reputable sources such as OMIE, ENTSO-E, EIA, FRED, and ESIOS. This ensures that the information used for impact measurement is accurate and reliable, which is essential for effective ESG reporting.

Quick Start

Getting started with 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

Energy API offers a variety of endpoints that cater to different data needs. Here are four core endpoints relevant to ESG teams:

1. GET /latest

This endpoint retrieves the most recent prices 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"

Expected 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 field provides the latest prices for Brent Crude, TTF Gas, and EUA CO2, which are essential for ESG reporting on carbon emissions and energy costs.

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"

Expected 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 pricing data, which is crucial for ESG teams to analyze trends and make informed decisions about energy sourcing and emissions reduction strategies.

3. GET /timeseries

This endpoint retrieves historical series between two dates, making it ideal for 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"

Expected 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 endpoint is particularly useful for ESG teams looking to visualize energy price trends over time, aiding in forecasting and strategic planning.

4. GET /fluctuation

This endpoint provides start/end values, absolute change, and percentage change over a specified period.

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

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

Expected JSON response:

{
"success": true,
"fluctuation": {
"BRENT_CRUDE": {
"start_value": 76.30,
"end_value": 75.90,
"change": -0.40,
"change_pct": -0.52
}
}
}

This response provides valuable insights into price fluctuations, which can help ESG teams assess the volatility of energy costs and make informed procurement decisions.

Real-World Use Cases

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

1. Price Alert System

Developers can create a price alert system that notifies ESG teams when energy prices exceed a certain threshold. By using the /latest endpoint, they can monitor real-time prices for various commodities and trigger alerts based on predefined criteria.

2. ESG Dashboard

An ESG dashboard can be built to visualize energy consumption and emissions data. By utilizing the /timeseries and /historical endpoints, developers can present historical trends and current data in an interactive format, aiding decision-making for sustainability initiatives.

3. Cost Calculator

Developers can implement a cost calculator that estimates monthly energy expenses based on current market prices. By using the /cost-estimate endpoint, teams can input their expected energy usage and receive an estimate of their costs, helping them budget for sustainability projects.

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 reporting needs.

Can I get historical energy prices going back 5 years?

Yes, Energy API provides access to historical data, allowing users to retrieve prices for various symbols over extended periods. This is particularly useful for trend analysis and long-term sustainability planning.

Does the API support multiple currencies?

Yes, Energy API supports multiple currencies, allowing users to specify their preferred currency for pricing data. This flexibility is essential for organizations operating in different regions or dealing with international energy markets.

Conclusion

In conclusion, Energy API offers a powerful solution for ESG teams looking to enhance their corporate sustainability strategies. By providing a unified interface to access reliable energy market data, Energy API eliminates the complexities associated with traditional data sourcing methods. With features like real-time pricing, historical data retrieval, and comprehensive coverage of various commodities, developers can build impactful tools that drive sustainability initiatives.

To get started with Energy API and explore its capabilities, visit Energy API today. Experience the benefits of streamlined energy data access and take your sustainability efforts to the next level.

Don't miss out on the opportunity to leverage accurate energy market data for your ESG reporting. Try Energy API for free and see how it can transform your approach to sustainability.