Big Energy
Bigge Energie is a regional German energy utility supplying electricity, gas, water, and district heating to approximately 83,000 people across the Sauerland region. It also offers PV systems, heat pumps, EV charging, and operates as the local default supplier.
- Company typePrivate
- Founded1999
- HeadquartersAttendorn, Germany
- Headcount51–100
- GTM typeB2B and B2C
- OfferingServices
What Big Energy does
Bigge Energie GmbH & Co. KG is a regional German energy utility headquartered in Olpe, North Rhine-Westphalia, serving approximately 83,000 people across a 320 km² area that spans Olpe, Attendorn, Drolshagen, Wenden, and Finnentrop in the Sauerland region. Founded in 1999 through the merger of the municipal utilities (Stadtwerke) of Attendorn and Olpe with Lister-Lennekraftwerke and rebranded under its current name in August 2013, the company is the designated Grundversorger (default supplier) of electricity, gas, water, and district heating in its licensed territory. It operates integrated distribution infrastructure of 2,023 km of electricity grid, 197.8 km of gas network, 432.7 km of water network, and a small district-heating loop, distributing approximately 552 million kWh of electricity, 315 million kWh of gas, 2.19 million m³ of water, and 4.41 million kWh of heat annually.
The company's revenue model is built on regulated utility streams — consumption-based subscription tariffs with monthly base fees and per-kWh charges — across horizontal customer segments including private households (primary), small business (BIGGE Gewerbe up to 30,000 kWh), commercial (BIGGE Business up to 100,000 kWh), and industrial accounts receiving individualized pricing above 100,000 kWh/year for electricity or 1.5 million kWh/year for gas. Beyond core supply, Bigge Energie has built an Energiewende product line covering photovoltaic systems, heat pumps, EV wallboxes (11 kW and 22 kW), and the BIGGE ENERGIE eCharge mobile application, alongside a hydropower-derived green-electricity tariff sourced from its own Bigge-Kraftwerk. Technology is delivered through a customer portal and four specialized portals (Einspeiser-, Inbetriebsetzungs-, Netzanschluss-, and meter-reading) built on the IVU platform, with a dedicated Grid Management System for §14a EnWG controllable-load compliance.
Go-to-market is hybrid: regulated default-supply status provides a structural customer floor, complemented by customer service centers in Olpe and Attendorn, an online self-service portal, community sponsorship of regional sports clubs, and digital remarketing across Google and Meta. The company operates as a privately held German Kommanditgesellschaft with an estimated 100-160 employees, no disclosed venture or private equity ownership, and no public revenue disclosure.
Big Energy firmographics
Firmographics- Name
- Big Energy
- Legal name
- Bigge Energie GmbH & Co. KG
- Website
- https://bigge-energie.de
- Company type
- Private
- Founded year
- 1999
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Bigge Energie is a regional German energy utility supplying electricity, gas, water, and district heating to approximately 83,000 people across the Sauerland region. It also offers PV systems, heat pumps, EV charging, and operates as the local default supplier.
- Ownership category
- akta.pro rank
Where Big Energy is headquartered
LocationHeadquarters
- HQ city
- Attendorn
- HQ country
- Germany
- HQ region
- Europe
Offices2 records
Markets served
Big Energy business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Supply Chain, Infrastructure, Personnel, Operations, Technology or R&D, Marketing or Sales
Revenue model
- Electricity Supply: Electricity distribution and supply to residential and commercial customers. Includes standard tariffs, eco-power from hydropower, and dynamic tariffs. Revenue generated through consumption-based pricing with monthly base fee plus per-kWh charges.
- Gas Supply: Natural gas distribution and supply for heating and cooking. Residential and commercial tariffs available.
- Water Supply: Drinking water distribution to households and businesses in the region.
- District Heating: Remote and local heating supply for buildings in Attendorn and Olpe.
- Energy Solutions: Additional services including photovoltaic systems, heat pumps, wallboxes, and building connections for new constructions
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | BIGGE Gewerbe - for small commercial customers up to 30,000 kWh/year |
| Subscription | Monthly | BIGGE Business - for commercial customers from 30,000 kWh/year |
| Subscription | Monthly | BIGGE eco - for small commercial gas customers under 100,000 kWh/year |
| Subscription | Monthly | BIGGE Business Gas - for commercial customers from 100,000 kWh/year |
| Usage-based | Annual | Industrial gas tariffs - for consumption over 1.5 million kWh/year |
| Usage-based | Annual | Industrial electricity tariffs - for consumption from 100,000 kWh/year |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
Big Energy product offering
Product offeringCore offering
Bigge Energie is a regional multi-utility that distributes electricity, natural gas, drinking water, and district heating to residential and commercial customers across the Sauerland region of North Rhine-Westphalia, Germany. The company also offers energy transition solutions including photovoltaic systems, heat pumps, and EV wallboxes, complemented by an online customer portal and the BIGGE ENERGIE eCharge app.
Product overview
Big Energy is a regional energy utility offering a portfolio of core energy supply products (electricity, gas, water, and district heating) alongside a growing suite of digital tools and sustainable energy solutions. The core energy products serve as the foundational offering for private and commercial customers, while digital tools — notably the Online-Kundenportal for account management and the BIGGE ENERGIE eCharge App for EV charging infrastructure — add customer-facing digital layers. Energy solutions such as Photovoltaik (PV systems), Wärmepumpe (heat pumps), and Wallbox (EV charging stations) extend the portfolio into the renewable energy and e-mobility space, positioning the company as a full-service energy partner for the energy transition in the Bigge region.
Differentiator
Problem solved
Functional benefit
Brands
- BIGGE ENERGIE eCharge App: Mobile application for electric vehicle charging infrastructure users
- Bigge-Kraftwerk
Products and services
- Strom (Electricity Supply) Electricity distribution and supply for residential and commercial customers, including standard tariffs and 100% hydropower-derived green electricity sourced from the Bigge hydroelectric plant.
- Gas (Natural Gas Supply) Natural gas distribution and supply for households and businesses, providing reliable delivery and 24/7 availability for heating and cooking purposes.
- Wasser (Water Supply) Drinking water distribution for private and commercial customers, meeting quality standards for drinking, washing, and cooking.
- Fernwärme (District Heating) District heating supply delivered directly to households and businesses in Attendorn and Olpe, offering an environmentally friendly, convenient, and space-saving heating solution without requiring a separate heating system.
- Photovoltaik (PV Systems) Photovoltaic (solar) systems for residential and commercial customers, enabling partial self-sufficiency in electricity production in an environmentally friendly and cost-effective manner.
- Wärmepumpe (Heat Pump) Heat pump solutions as part of the renewable energy offering, supporting residential customers in transitioning to sustainable heating.
- Wallbox (EV Charging) Wallbox charging solutions for electric vehicles at homes and businesses, offered in 11 kW and 22 kW variants, with expert consultation for selecting the right product.
- BIGGE ENERGIE eCharge App Mobile application for users of the company's EV charging infrastructure, enabling registration, usage tracking, billing, and access to charging locations with map and navigation features.
- Online-Kundenportal (Customer Portal) Web-based customer portal enabling users to manage contracts, payments, personal data, and new agreements in one place, including meter reading submission.
Companies that use Big Energy
Customer profileSegments5 records
Ideal customer profiles4 records
Big Energy technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration2 records
Feature3 records
Big Energy partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered minor and core.
- TV AttendornminorSports club partnership. Bigge Energie sponsors TV Attendorn as part of regional sports engagement, supporting various athletic activities including youth teams.
- SG WendenminorSports club partnership. Bigge Energie supports SG Wenden as part of regional sports club sponsorship program.
- Skiclub OlpeminorSports club partnership. Bigge Energie sponsors Skiclub Olpe including ski jumping, skiing, and other winter sports activities.
- IVU Informationssysteme GmbHcoreTechnology partner for customer portal and account management systems. Bigge Energie uses IVU systems for customer account management, tariff calculation, and contract processing.
Scale indicators15 records
Recent moves8 records
Expansion highlights5 records
Big Energy competitors and assessment
Company assessmentBroad incumbents
- RWE AG: Large German integrated utility with renewables generation and retail/distribution operations. Relevant as a competitor in retail energy supply, PV, and emerging home-energy-services categories.
- EnBW AG: Major German multi-utility spanning generation, distribution, retail, and energy services across Baden-Württemberg and beyond. Competitor in retail energy supply and adjacent renewable/heat-pump markets.
- E.ON SE: Germany's largest energy supplier, with multi-utility retail and distribution arms (including Westenergie and Avacon). Broad incumbent that competes with Bigge Energie at the customer-acquisition layer across Germany.
Direct peers
- Stadtwerke München (SWM): One of Germany's largest municipal multi-utilities, serving the Munich metro with electricity, gas, district heating, water, and broadband. Closely comparable portfolio and customer-segment model as Bigge Energie, just at a much larger scale.
- Stadtwerke Köln: Cologne's municipal multi-utility providing electricity, gas, water, and district heating across a metropolitan service territory. Directly comparable Stadtwerke model with overlapping product taxonomy.
- Mainova AG: Regional multi-utility for the Frankfurt/Rhine-Main area, distributing electricity, gas, water, and heat to private and commercial customers. Direct functional analogue of Bigge Energie's Stadtwerke business model.
- Stadtwerke Bonn: Municipal multi-utility in the Bonn region offering electricity, gas, water, heat, and energy services to residential and commercial customers — near-identical product mix and customer segmentation as Bigge Energie.
- Stadtwerke Leipzig: Large eastern-German Stadtwerke operating electricity, gas, district heating, and water networks in the Leipzig region with comparable Grundversorger-style franchise. Comparable structure and service portfolio to Bigge Energie.
- Westenergie AG: E.ON subsidiary focused on regional network operation, municipal partnerships, and energy services in North Rhine-Westphalia and Rhineland-Palatinate — directly relevant as a neighboring distribution operator with overlapping territory and customer base.
Emerging players
- Lichtblick GmbH: German alternative green-electricity supplier targeting price-sensitive and eco-focused households, including inside Grundversorger territories. Represents the direct competitor type Bigge faces when customers shop around for tariffs.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Big Energy social profiles
Digital presenceBig Energy financial estimates
Financial estimateRevenue estimate
Valuation estimate
Big Energy leadership team
Management profileNumber of profiles
Profiles11 records
Big Energy funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Big Energy M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Big Energy
What does Big Energy do?
Bigge Energie is a regional multi-utility that distributes electricity, natural gas, drinking water, and district heating to residential and commercial customers across the Sauerland region of North Rhine-Westphalia, Germany. The company also offers energy transition solutions including photovoltaic systems, heat pumps, and EV wallboxes, complemented by an online customer portal and the BIGGE ENERGIE eCharge app.
Is Big Energy a public or private company?
Big Energy is a private company. It is classified as unknown and is currently operating.
When was Big Energy founded?
Big Energy was founded in 1999. It employs 51 to 100 people.
Where is Big Energy based?
Big Energy is headquartered in Attendorn, Germany, in the Europe region.
How does Big Energy make money?
Five revenue lines are on record. Electricity Supply is the primary driver. The others are gas Supply, water Supply, district Heating and energy Solutions.
Who are Big Energy's main competitors?
Broad incumbents on record are RWE AG, EnBW AG and E.ON SE. Direct peers are Stadtwerke München (SWM), Stadtwerke Köln, Mainova AG, Stadtwerke Bonn, Stadtwerke Leipzig and Westenergie AG. Lichtblick GmbH is listed as an emerging player.
Does Big Energy have an API?
No public API is recorded for Big Energy.