Collaborative Energy Management: How Energy API Facilitates Partnerships between Utilities and Local Governments

Introduction

In today's rapidly evolving energy landscape, collaboration between utilities and local governments is more crucial than ever. As the demand for sustainable energy solutions grows, so does the need for reliable, real-time data that can inform decision-making and foster partnerships. However, accessing and integrating energy market data from various sources can be a daunting task for developers and data engineers. This is where Energy API comes into play, offering a unified solution that simplifies the process of obtaining wholesale energy market data.

With Energy API, developers can seamlessly access a wealth of information related to electricity, natural gas, crude oil, coal, carbon allowances, and grid carbon intensity. By aggregating data from trusted sources such as OMIE, ENTSO-E, ESIOS, EIA/FRED, and Ember, Energy API eliminates the need for cumbersome data scraping and the challenges of dealing with incompatible formats. This blog post will explore how Energy API facilitates collaborative energy management and empowers developers to build innovative solutions that drive sustainability and efficiency.

Why Energy API

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

• One Unified REST Interface: Energy API provides a single, normalized REST surface that replaces multiple disparate sources like OMIE, ENTSO-E, and EIA. This means developers can access a wide range of data without having to navigate different formats, schedules, and naming conventions, significantly reducing development time.
• Comprehensive Data Coverage: With over 39 symbols across six commodity categories, including electricity, gas, oil, coal, carbon, and carbon intensity, Energy API offers extensive coverage that meets the diverse needs of developers and energy professionals. This breadth of data allows for more informed decision-making and analysis.
• Rapid Development: Energy API features 16 endpoints that cover everything from spot prices to historical series and fluctuation analysis. The consistent JSON schema across all commodities means developers can ship features in hours rather than weeks, accelerating the time to market for new applications.
• Trusted Data Providers: By aggregating data from reputable sources, Energy API ensures that users receive accurate and reliable information. This trustworthiness is essential for developers building applications that rely on real-time data for trading, forecasting, and sustainability 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 "success" field indicates whether the request was successful, while the "rates" object contains the latest prices for the requested commodities. The "dates" and "currencies" fields provide additional context for the data returned.

Core Endpoints

1. GET /latest

This endpoint retrieves the most recent price for one or more symbols. It is essential for applications that require real-time pricing information.

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"

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"
}
}

The "rates" object provides the latest prices for each requested symbol, while the "dates" field indicates when the data was last updated.

2. GET /historical

This endpoint allows users to retrieve prices for all symbols on a specific past date. It is particularly useful for historical analysis and reporting.

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"

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"
}
}

The response includes the "rates" for the specified date, allowing developers to analyze historical trends and make informed decisions based on past performance.

3. GET /timeseries

This endpoint provides historical series between two dates, making it 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"

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 a detailed view of the price changes over the specified period, allowing developers to visualize trends and make data-driven decisions.

4. GET /fluctuation

This endpoint calculates the start and end values, absolute change, and percentage change over a specified period, which is useful for performance analysis.

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"

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 insights into price fluctuations, enabling developers to assess market volatility and make informed trading decisions.

Real-World Use Cases

Energy API empowers developers to create a variety of applications that leverage real-time and historical energy data. Here are three concrete examples:

• Price Alert System: Developers can build a price alert system that notifies users when energy prices reach a certain threshold. By utilizing the /latest endpoint, the application can continuously monitor prices and send alerts via email or SMS when significant changes occur.
• ESG Dashboard: An ESG (Environmental, Social, and Governance) dashboard can be created to visualize carbon intensity and emissions data. By using the /carbon-intensity and /emissions/latest endpoints, developers can provide insights into a company's carbon footprint and track progress toward sustainability goals.
• Cost Calculator: A cost calculator can help businesses estimate their monthly energy expenses based on current market prices. By leveraging the /cost-estimate endpoint, developers can create a tool that calculates projected costs based on user-defined parameters such as energy consumption and selected commodities.

FAQ

How often does the TTF gas price update?

The TTF gas price updates daily, reflecting the most recent market conditions. Developers can use the /latest endpoint to retrieve the most current price at any time.

Can I get historical energy prices going back 5 years?

Yes, Energy API allows users to access historical prices for various commodities. By using the /historical and /timeseries endpoints, developers can retrieve data for specific dates or ranges, enabling comprehensive historical analysis.

Does the API support multiple currencies?

Yes, Energy API supports multiple currencies. When making requests, developers can specify the base currency to receive prices in their preferred format. The API will return the relevant currency codes in the response.

Conclusion

In conclusion, Energy API is a powerful tool that facilitates collaborative energy management by providing developers with reliable access to wholesale energy market data. By aggregating data from trusted sources and offering a unified REST interface, Energy API simplifies the process of obtaining critical information needed for decision-making and innovation in the energy sector.

Whether you are building a price alert system, an ESG dashboard, or a cost calculator, Energy API equips you with the necessary tools to create impactful applications that drive sustainability and efficiency. Don't let the complexities of data integration hold you back—leverage the capabilities of Energy API to accelerate your development process and unlock new opportunities in the energy market.

Ready to get started? Try Energy API for free today and experience the benefits of seamless energy data integration.