Driving ESG Initiatives with Data: How Energy API Supports Sustainability Reporting

Introduction

In today's rapidly evolving energy landscape, organizations are increasingly prioritizing Environmental, Social, and Governance (ESG) initiatives. However, the challenge lies in obtaining reliable and timely data to support these initiatives. Traditional methods of data collection, such as scraping government portals or stitching together disparate data sources, can be cumbersome and error-prone. This is where Energy API comes into play, offering a unified solution for accessing wholesale energy market data.

With Energy API, developers, data engineers, energy traders, and sustainability teams can seamlessly access a wealth of data related to electricity, natural gas, crude oil, coal, carbon allowances, and grid carbon intensity. This blog post will explore how Energy API supports sustainability reporting and ESG initiatives, providing a comprehensive overview of its features, endpoints, and practical use cases.

Why Energy API

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

• One Unified Interface: Energy API aggregates data from multiple trusted sources, including OMIE, ENTSO-E, EIA, and ESIOS, into a single, normalized REST interface. This eliminates the need for developers to navigate different formats and schedules, significantly reducing development time.
• Comprehensive Data Coverage: With over 39 symbols across six commodity categories, Energy API provides extensive coverage of the energy market. This allows users to query multiple commodities in a single API call, streamlining data retrieval and analysis.
• Rapid Development: The consistent JSON schema across all commodities means that developers can implement features in hours rather than weeks. This accelerates the time to market for applications that rely on energy data.
• Real-Time and Historical Data: Energy API offers endpoints for both real-time and historical data, enabling users to conduct trend analysis, forecasting, and reporting with ease.

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 API call was successful.
• date: The date of the data retrieved.
• base: The base currency for the rates provided.
• rates: An object containing the latest prices for the requested symbols.
• currencies: The currency in which each rate is expressed.

Core Endpoints

Energy API offers a variety of endpoints that cater to different data needs. Below are some of the core endpoints relevant to sustainability 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"

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 object provides the latest prices for Brent Crude, TTF Gas, and EUA CO2, which are essential for ESG reporting.

2. GET /historical

This endpoint retrieves 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 prices, which are crucial for trend analysis and reporting.

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)

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 response provides daily prices for Brent Crude and TTF Gas over the specified period, allowing for detailed analysis of price trends.

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=2025-03-31" \
--data-urlencode "symbols=BRENT_CRUDE,TTF_GAS" \
--data-urlencode "api_key=YOUR_API_KEY"

Expected JSON response:

{
"success": true,
"fluctuations": {
"BRENT_CRUDE": {
"start_value": 76.30,
"end_value": 75.90,
"change": -0.40,
"change_pct": -0.52
},
"TTF_GAS": {
"start_value": 46.80,
"end_value": 47.10,
"change": 0.30,
"change_pct": 0.64
}
}
}

This response provides insights into price fluctuations, which are essential for risk management and trading strategies.

Real-World Use Cases

Energy API can be leveraged in various real-world scenarios to enhance decision-making and reporting:

• Price Alert System: Developers can build a price alert system that notifies users when energy prices reach a certain threshold. This can be achieved using the /latest endpoint to monitor real-time prices and trigger alerts based on user-defined criteria.
• ESG Dashboard: Sustainability teams can create dashboards that visualize energy consumption and carbon emissions data. By utilizing the /timeseries and /carbon-intensity endpoints, teams can track their progress towards ESG goals and report on sustainability metrics.
• Cost Calculator: Utilities can develop cost calculators that estimate monthly energy expenses based on current market prices. The /cost-estimate endpoint can be used to provide users with accurate estimates based on their energy consumption patterns.

FAQ

How often does the TTF gas price update?

The TTF gas price updates daily, reflecting the most recent market conditions. Users can access the latest price using the /latest endpoint.

Can I get historical energy prices going back 5 years?

Yes, Energy API provides historical data for various symbols. Users can retrieve historical prices using the /historical and /timeseries endpoints, allowing for analysis over extended periods.

Does the API support multiple currencies?

Yes, Energy API supports multiple currencies. Users can specify the base currency in their requests, and the API will return prices in the requested currency.

Conclusion

In conclusion, Energy API is a powerful tool for organizations looking to drive their ESG initiatives with reliable energy market data. By providing a unified interface to access a wide range of data, Energy API simplifies the process of sustainability reporting and decision-making. Developers can leverage its extensive features and endpoints to build innovative applications that support their organization's goals.

Don't let the complexities of energy data hold you back. Try Energy API for free today and unlock the potential of your energy data!