Rewag Regensburger Energie- und Wasserversorgung AG

What Rewag Regensburger Energie- und Wasserversorgung AG does

REWAG Regensburger Energie- und Wasserversorgung AG & Co. KG is a vertically integrated municipal utility founded on 1 January 1976 and headquartered in Regensburg, Germany, that supplies electricity, natural gas, drinking water, and district heating (Nah- und Fernwärme) to households, commercial customers, real-estate companies, municipalities, and industrial users across the Regensburg region and surrounding communities in Bavaria. The company operates the regional electricity, gas, water, and heating distribution infrastructure through its subsidiary Regensburg Netz GmbH and runs renewable generation assets via RENION Erneuerbare Energien GmbH & Co. KG, Windpark Lindenhardt GmbH & Co. KG, Windpark Hohenstein KG, Windpark Wetterberg-Laub GmbH & Co. KG, and REGAS GmbH/KG, with all group entities covered by a shared cross-company energy and environmental management system. REWAG is privately held within the Stadtwerk Regensburg / REWAG corporate group (parent: das Stadtwerk Regensburg GmbH), led by CEO/Vorstandsvorsitzender Dr. Robert Greb alongside board member Sandra Wimmer, with Gertrud Maltz-Schwarzfischer chairing the Aufsichtsrat.

The core product family 'rewario' spans electricity (rewario.strom, including rewario.strom.natur.regio certified 100% Ökostrom under Grüner Strom Label and TÜV Nord VdTÜV 1304, sourced partly from Danube hydropower), natural gas (rewario.erdgas with rewario.erdgas.konstant price guarantee extended to 31.12.2027), district heating (rewario.fernwärme.best), and drinking water, plus e-mobility (Ladekarte, Ladestrom tariff, Wallbox subsidies), heat contracting, PV/on-site generation solutions, and Lichtmiete (light-as-a-service) for business customers. REWAG's digital stack includes the SAP-based meine.REWAG customer portal, the Microsoft Azure-hosted AI chatbot 'Resa', WhatsApp customer service via MessengerPeople, an AI-based customer-feedback analysis tool (Licili), the virtualQ callback widget, and Eye-Able accessibility software, alongside an electronic data-exchange endpoint (dap.rewag.de) for German energy market partner communication.

REWAG's revenue model combines consumption-based utility billing (residential/SMB Strom, Erdgas, Wasser, Nah-/Fernwärme), regulated Netznutzung (network usage) fees for third-party suppliers using its grids, recurring subscription-style multi-year tariffs with price guarantees through 31.12.2027, one-time grid connection fees (Hausanschluss), managed-services heat contracting, e-mobility transaction fees, and an affiliate referral program (€50 per successful 'Freunde werben' referral). Go-to-market is hybrid: direct-to-consumer via self-service online tariff calculator, Kundencenter, meine.REWAG portal, phone, WhatsApp, and chatbot for private customers and small commercial users up to 100,000 kWh Strom / 300,000 kWh Erdgas; sales-led with named contacts and individual quotes via preisrechner.rewag.de for mid-market, enterprise, real-estate, and municipal customers; community-led through REWAG-Crowd crowdfunding, REWAG-Kulturfonds, and REWAG-Nächte cultural events; plus channel partners (Vertriebspartner) and co-marketing bundles with R-KOM (Internet/TV/Telefon) and das Stadtwerk.Earl (e-carsharing).

Name

Rewag Regensburger Energie- und Wasserversorgung AG

Legal name

REWAG Regensburger Energie- und Wasserversorgung AG & Co. KG

Website

https://rewag.de

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

251–500 employees

Short description

REWAG is a municipal multi-utility in Regensburg, Germany, supplying electricity, natural gas, drinking water, and district heating to households, businesses, and municipalities, with renewable generation, e-mobility, and contracting services within the Stadtwerk Regensburg group.

Ownership category

akta.pro rank

Product category

Multi-utility services (electricity, gas, water, district heating)

NAICS

Water, Sewage and Other Systems (2213)

SIC

Electric, Gas & Sanitary Services (4900), Water Supply (4941)

akta.pro primary industry

Advanced Treatment & Purification Utilities (MF/UF, RO, AOP, UV) (EUANAGAD)

Keywords

• Municipal utility services
• Electricity supply
• Natural gas distribution
• Drinking water supply
• District heating networks

Headquarters

HQ city

Regensburg

HQ country

Germany

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Infrastructure, Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Energy supply contracts (Strom, Erdgas): Recurring utility supply contracts (e.g., rewario.strom, rewario.erdgas) for private and commercial customers with monthly/annual billing and multi-year price guarantees (e.g., Ökostrom price guarantee until 31.12.2027; rewario.erdgas.konstant guarantee extended to 31.12.2027).
2. Consumption-based utility billing: Consumption-based billing of electricity, natural gas, district heating and drinking water driven by meter readings, plus Grundversorgung (default supply) and Ersatzversorgung (back-up supply) for customers without an active contract.
3. Network usage fees (Netznutzung): Fees charged to other energy suppliers and customers for use of REWAG's/Regensburg Netz's regulated electricity, gas, water and telecommunications networks (Netznutzung Strom/Gas).
4. Grid connection fees (Hausanschluss): One-time and project-based fees for new or modified house connections (Hausanschluss) for Strom, Gas, Wasser and Wärme.
5. Heat contracting (Wärme-Contracting): Managed heat-supply services including Anlagen-Contracting (asset-based), Betriebsführungs-Contracting (operations-only), and Blockheizkraftwerk (CHP) contracting for business customers, municipalities and property companies.
6. Energy generation solutions (PV / on-site generation): Sale and operation of customer-side energy generation solutions (PV), energy management systems and Lichtmiete (light-as-a-service) offerings for business customers.
7. E-mobility charging services: Revenue from charging fees, Ladekarte (charging cards), Wallbox subsidies, and special business/municipality e-mobility tariffs across REWAG's own charging network.
8. Customer referral program: 'Freunde werben' referral program offering €50 reward per successful customer referral that is retained.

Pricing tiers

Go-to-market motion5 records

Distribution channels7 records

Marketing channels11 records

Core offering

REWAG is the municipal energy and water utility for the city of Regensburg and surrounding region, supplying private and business customers with electricity (including 100% Ökostrom / Donaustrom), natural gas (rewario.erdgas), drinking water (~185,000 people, ~11 million m³/year) and district heating (Nahwärme / Fernwärme). It also operates an e-mobility charging network with its own Ladekarte and Wallbox subsidies, and runs regional community programs such as REWAG-Crowd and Bonuswelt.

Differentiator

Problem solved

Functional benefit

Brands

• rewario: REWAG's branded product family for electricity, gas and heat tariffs (e.g. rewario.strom.natur.regio, rewario.strom.thermonatur, rewario.erdgas.konstant, rewario.fernwärme.best).
• REWAG-Crowd
• Donaustrom
• r.Leben
• r.fahren

Products and services

• rewario.strom (electricity tariffs) REWAG's electricity tariff family 'rewario.strom' for residential and SME customers, including the rewario.strom.natur.regio 100% Ökostrom product (green electricity from the Danube region, Grüner Strom Label and VdTüV Standard 1304 certified), the rewario.strom.thermonatur heat-pump tariff, and a Heizstrom (heating-electricity) variant. Tariffs available with 12- or 24-month price guarantee running through 31.12.2027; includes Hausanschluss, Ersatzversorgung, Grundversorgung and Netznutzung elements.
• rewario.erdgas (natural-gas tariffs) Residential and SME natural-gas tariff family 'rewario.erdgas', including the rewario.erdgas.konstant 24 product with a price guarantee extended until 31.12.2027. Includes Hausanschluss, Ersatzversorgung, Grundversorgung and Netznutzung offerings.
• rewario.fernwärme.best (district-heating tariff) District-heating (Fernwärme) tariff product from the rewario brand for end customers in Regensburg-area district-heating networks.
• Trinkwasser (Drinking-water supply) Drinking-water supply service for ~185,000 people in Regensburg (~11 million m³ per year), including pricing & tips, house connections (Hausanschluss), origin & quality information and water-meter services.
• Nahwärme (District-heating networks) Local district-heating (Nahwärme) networks operated by REWAG in multiple areas around Regensburg (Barbing, Innerer Westen / Dörnberg, Mintraching, Neutraubling, Pielenhofen, Viehhausen), together with house connections (Hausanschluss) and related heat products.
• meine.REWAG Kundenportal (SAP-based customer portal) SAP-based online customer portal (meine.rewag.de) for private and business customers, offering tariff comparison and switching, meter-reading submission, installment adjustment, invoice viewing, move reporting and access to the Bonuswelt benefit programme.
• REWAG E-Mobilität (Ladekarte / Ladestrom / Wallbox-Förderung) E-mobility offering including a charging-station locator across Regensburg, the REWAG Ladekarte (charging card), a Ladestrom tariff for EV charging, Wallbox-Förderung (wallbox subsidy) and dedicated packages for business customers and municipalities.
• REWAG Bonuswelt (loyalty / benefits programme) Customer loyalty and benefits programme accessible via the meine.REWAG portal, offering exclusive actions, tickets and events plus cross-promotions with partners R-KOM (Internet/TV/Phone credit) and das Stadtwerk.Earl (e-carsharing discount).
• REWAG-Crowd (regional crowdfunding platform) Regional crowdfunding platform operated by REWAG that enables clubs, social initiatives and engaged individuals in Regensburg and the region to finance 'passion projects' with community support; first 10 sports clubs starting a project between 1 May and 31 July 2026 receive an extra €500 11teamsports voucher.
• Freunde werben (refer-a-friend programme) Customer referral programme under which referrers receive a €50 premium per successful referral; referred friends receive 100% Ökostrom, attractive regional tariffs and access to the Bonuswelt.
• Geschäftskunden-Energie (B2B energy products and services) B2B energy offering for commercial and industrial customers, including quote-based individual pricing (above 100,000 kWh Strom / 300,000 kWh Erdgas, plus heavy-user tiers above 1 Mio. kWh / 1.5 Mio. kWh), dedicated Ansprechpartner, energy-management services, network connections, metering-point management, Lichtmiete (light-as-a-service) and PV / on-site generation solutions.
• Wärme-Contracting (heat contracting for business customers) Managed heat-supply services for business customers, municipalities and property companies, including Anlagen-Contracting (asset-based on-site heating), Betriebsführungs-Contracting (operations-only contracting) and Blockheizkraftwerk (CHP) contracting.

Quantifiable outcome

• ~185,000 people supplied with drinking water in Regensburg, ~11 million m³ per year
• +4 more outcomes

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

AI capability7 records

Feature9 records

Partnerships

18 partnerships are on record, tiered flagship co-marketing partner, minor, core service partner, core marketing partner, core insurance broker, core agency partner, core compliance partner and flagship parent-group partner.

• R-KOM GmbHflagship co-marketing partnerGTM or Marketing PartnerREWAG customers receive 24 months of €2.50/month credit on a new R-KOM Internet/TV/Telephony contract (Aktionscode 'REWAG' + Vertragskontonummer). Joint promotion with banner on REWAG homepage linking to r-kom.de. R-KOM is the regional telecom provider for Regensburg.
• das Stadtwerk.Earl (das Stadtwerk Regensburg)flagship co-marketing partnerGTM or Marketing PartnerREWAG customers receive €0.50/hour discount on every Earl e-carsharing trip by entering their REWAG Vertragskontonummer during online Earl registration. Earl is operated by das Stadtwerk Regensburg, REWAG's group-related company.
• 11teamsportsminorGTM or Marketing PartnerFirst 10 sports clubs that start a crowdfunding project on REWAG-Crowd between 1 May and 31 July 2026 receive an additional €500 equipment voucher from 11teamsports on top of their crowdfunding result. Promoted as a sports-club incentive for the REWAG-Crowd regional crowdfunding program.
• Interconnector GmbHminorStrategic or Co-development PartnerVertriebspartnerschaft (distribution partnership) between REWAG and Interconnector GmbH for Direktvermarktung von PV-Anlagen (direct marketing of PV systems) — referenced in REWAG's data-protection notice for private/commercial customers as a basis for processing customer data within Kundenförderprogramme.
• MessengerPeople GmbHcore service partnerTechnology or IntegrationMessengerPeople GmbH (Herzog-Heinrich-Str. 9, 80336 München) operates the WhatsApp customer-service channel for REWAG as a German Auftragsverarbeiter under Art. 28 GDPR; chat history is auto-deleted after max 30 days and a 'ALLE DATEN LOESCHEN' message option is supported.
• hsag Heidelberger Services AGcore service partnerTechnology or Integrationhsag Heidelberger Services AG (Wilhelmsfelder Straße 13b, 69118 Heidelberg) provides the Chatbot 'Resa' text-based AI used on rewag.de for customer questions and service requests. Implemented on Microsoft Azure cloud within the EU under an Art. 28 DPA.
• Microsoft Corporation (Azure, Language Understanding Services, Stream, Advertising UET)core service partnerTechnology or IntegrationMicrosoft provides Azure cloud hosting and Language Understanding Services for Chatbot Resa (data stored within the EU), Microsoft Stream for embedded videos, and Microsoft Advertising (UET) for online marketing/remarketing. Microsoft is Data Privacy Framework certified.
• Google Ireland Limited (Analytics, Tag Manager, Fonts, Maps, Ads, Remarketing)core service partnerTechnology or IntegrationGoogle Ireland Limited provides Google Tag Manager, Google Analytics (with _anonymizeIp), Google Ads/AdWords Conversion Tracking, Google Remarketing, Google Web Fonts and Google Maps embedded in rewag.de; standard contractual clauses apply for US transfers.
• Facebook Ireland Ltd (Meta)core marketing partnerTechnology or IntegrationFacebook Pixel deployed on rewag.de for usage profiling and personalised advertising; cooperation with Facebook Ireland Ltd based on EU Standard Contractual Clauses and Art. 26 GDPR joint-controller arrangement; data transfers to Facebook Inc. in the US.
• Innofact AGminorImplementation/ SI/ Consulting PartnerInnofact AG (Neuer Zollhof 3, 40221 Düsseldorf; Vorstand Karsten Polthier, Ralf Kahsmann; HRB 40277) is engaged by REWAG as a market-research institute for communication/marketing research projects.
• management consult Dr. Eisele & Dr. Noll GmbHminorImplementation/ SI/ Consulting Partnermanagement consult Dr. Eisele & Dr. Noll GmbH (Am Oberen Luisenpark 15, 68165 Mannheim; GF Dr. Jürgen Eisele, Markus Mayer, Hannes Wölfer, Stefan Seng; HRB 7312) is engaged by REWAG as a market-research institute for communication/marketing research projects.
• deas Deutsche Assekuranz-Makler GmbHcore insurance brokerImplementation/ SI/ Consulting Partnerdeas Deutsche Assekuranz-Makler GmbH (Werner-Eckert-Straße 11, 81829 München; Geschäftsführung Gerhard Kulbarsch, Holger Wendorff, Andreas Wendt; Sitz Detmold; HRB 8941 Lemgo) acts as REWAG's betreuender Makler (caretaking broker) for group companies and the 'Versicherungspool Regensburg'. Eccleisia Gruppe member.
• PP Business Protection GmbHminorImplementation/ SI/ Consulting PartnerPP Business Protection GmbH (Tesdorpfstraße 22, 20148 Hamburg; GF Gunhild Peiniger, Tilman Kay; HRB Nr. 72 402 Hamburg) is a specialist Ecclesia-Gruppe broker handling D&O, Vertrauensschaden and Cyber insurance for REWAG.
• FRIEDRICH GANZ Versicherungsmakler GmbHminorImplementation/ SI/ Consulting PartnerFRIEDRICH GANZ Versicherungsmakler GmbH (Karlsruher Straße 57–61, 76532 Baden-Baden; GF Toni Iemboli, Ralf Minet; HRB 705457 Mannheim) handles the Rahmenvertrag for Bundesverband E-Car Sharing members (Kfz-Haftpflicht/Kasko) covering das Stadtwerk Regensburg.Mobilität GmbH's e-carsharing fleet.
• Marsh GmbHminorImplementation/ SI/ Consulting PartnerMarsh GmbH (Kasernenstraße 69, 40213 Düsseldorf; Sitz Frankfurt am Main; HRB 12141) acts as insurance broker specifically for Windpark Hohenstein GmbH & Co. KG.
• CONCEPTNET GmbHcore agency partnerImplementation/ SI/ Consulting PartnerCONCEPTNET GmbH (Regensburg; www.conceptnet.de) is responsible for concept, design and realisation of rewag.de according to the Impressum, working as REWAG's creative/digital agency.
• Projekt 29 GmbH & Co. KG (Christian Volkmer)core compliance partnerImplementation/ SI/ Consulting PartnerProjekt 29 GmbH & Co. KG (Ostengasse 14, 93047 Regensburg; Christian Volkmer) acts as REWAG's external Datenschutzbeauftragter (data protection officer) across all processing contexts (customer service, marketing, HR, real estate, etc.).
• Regensburger Energie- und Wasserversorgung AG & Co KG / Regensburg Netz GmbH / RENION / Windpark / das Stadtwerk Regensburg groupflagship parent-group partnerStrategic or Co-development PartnerREWAG processes personal data on behalf of its group entities (Regensburg Netz GmbH, RENION GmbH & Co KG, RENION Erneuerbare Energien Verwaltungs-GmbH, das Stadtwerk Regensburg GmbH, das Stadtwerk Regensburg.Mobilität GmbH, das Stadtwerk Regensburg.Fahrzeuge und Technik GmbH, das Stadtwerk Regensburg.Bäder und Arenen GmbH, das Stadtwerk Regensburg.Dienstleistungen GmbH, RVV GmbH, Windpark Lindenhardt GmbH & Co KG, Lindenhardt Verwaltungs-GmbH, Windpark Hohenstein KG, Windpark Wetterberg-Laub KG, REGAS GmbH & Co KG) either as Auftragsverarbeiter or under joint controllership per Art. 26 GDPR. All listed entities share the integrated Energie- und Umweltmanagementsystem (energy/environmental management system).

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Mainova AG: Frankfurt municipal utility (Stadtwerke Frankfurt am Main) supplying electricity, gas, water and district heating to a single major German city and region under a comparable Stadtwerk model. Directly comparable to REWAG in product mix, municipal ownership structure, and B2B/B2C segment coverage.
• N-ERGIE Aktiengesellschaft: Nürnberg-based municipal energy supplier offering Strom, Erdgas, Wärme, Trinkwasser and e-mobility in the Nuremberg metropolitan region. Closely comparable to REWAG in regional scope, integrated utility offering, and Bavaria-based municipal utility positioning.
• Stadtwerke München (SWM): Munich's municipal utility, supplying electricity, gas, district heating (Fernwärme), drinking water and operating one of Germany's largest municipal e-mobility networks (MVG). Direct peer to REWAG in vertical integration, municipal ownership and product breadth, but at materially larger scale.
• Lechwerke AG: Augsburg-region municipal utility (majority-owned by the City of Augsburg) supplying Strom, Erdgas, Wärme and water, with significant renewable generation via hydropower on the Lech river. Highly comparable to REWAG's Bavarian municipal utility profile and Danube hydropower-based generation footprint.
• infra fürth GmbH: Municipal utility of the City of Fürth in Middle Franconia, Bavaria, supplying electricity, gas, water and district heating. Comparable mid-sized Bavarian Stadtwerk with overlapping product set and regional/vertical structure.

Broad incumbents

• E.ON SE: One of Germany's largest energy companies, operating nationwide retail energy supply, distribution networks and customer solutions. Competes with REWAG at the national level for switching customers in Regensburg and across Bavaria, but at vastly larger scale and broader geographic footprint.
• EnBW Energie Baden-Württemberg AG: Major German integrated energy company operating generation, networks and retail across southern Germany, including significant renewable capacity. Competes with REWAG in B2B supply, renewable products, and e-mobility in the broader south-German market.

Regional players

• Pfalzwerke AG: Municipal-affiliated utility serving the Palatinate region with electricity, gas, water and energy services. Operates a comparable Stadtwerk-like product set but in a different geography, providing a useful regional benchmark for value-added services and B2B contracting.
• EWE AG: Regional utility serving northwestern Germany (Lower Saxony, Brandenburg, Bremen) with electricity, gas, water and telecommunications through municipal partners. Comparable in multi-utility integrated model but focused on a different region.

Others

• Thüga Aktiengesellschaft: Germany's leading municipal-utility holding and service company, with a network of >100 local Stadtwerke partners. Comparable as the strategic umbrella for German municipal utilities and a potential benchmark for shared services, procurement and digital platforms relevant to REWAG's operations.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCoGJwlnsbGhu6QzLwNNr4Sg
• Facebookde-de.facebook.com/derVersorger.REWAG
• LinkedInde.linkedin.com/company/rewag
• Instagraminstagram.com/rewag.regensburg
• TikToktiktok.com/@rewag.regensburg

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rewag Regensburger Energie- und Wasserversorgung AG