01 Focus on your core business
You can concentrate on strategic tasks while we take care of the operational processes.
Energy Services
Efficient customer service & increased sales in the energy sector
Our Energy Services offer customized customer service and sales services.
They are the ideal solution for companies in the energy sector that want to improve their customer service, optimize their sales activities and remain competitive in the long term.
With our highly qualified team, we take care of your customers, increase sales through targeted cross-selling measures and successfully win back customers who have moved away.
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Our
Services
Trenkwalder Energy Services offers a comprehensive solution for companies in the energy industry to efficiently outsource customer service, consulting, and sales. Our experienced team supports you with customized services that strengthen customer loyalty and optimize your sales potential.
Data management & CRM solutions
A professional CRM system and optimized data processes are essential for effective customer service and targeted marketing. We handle the structured maintenance and management of your customer data, utilize modern CRM technologies to automate processes, and employ targeted data analysis to identify new business opportunities.
Customer engagement
Excellent customer service fosters long-term satisfaction and strengthens customer loyalty. Our dedicated team provides friendly and knowledgeable support to your customers via phone, email, and chat, handles inquiries quickly and efficiently, and ensures high availability even during peak times through flexible staffing. Individual requests are handled personally and with a focus on finding solutions.
Cross selling & customer recovery
Through targeted cross-selling initiatives, we unlock additional revenue potential with existing customers while also helping to win back lost customers. Using existing customer data, we identify suitable opportunities, develop customized sales strategies, and reach out to customers with targeted, relevant offers. In this way, we sustainably increase the conversion rate and strengthen long-term customer relationships.
Expert advice for photovoltaics & heat pumps
The energy transition is in full swing, and many customers are looking for sustainable solutions. Our consulting team provides information and support to your customers as they make the switch to renewable energy—from personalized advice on solar power and heat pumps to an analysis of available funding options and decision-making. Even after the purchase, we continue to guide your customers through the entire installation process.
Multi-/omnichannel customer service
Today, customers want to communicate through the channel that’s most convenient for them. We ensure that your customers are met where they are—whether by phone, email, chat, social media, or other digital channels. We guarantee fast response times, professional support, and a high resolution rate across all touchpoints.
Data management & CRM solutions
A professional CRM system and optimized data processes are essential for effective customer service and targeted marketing. We handle the structured maintenance and management of your customer data, utilize modern CRM technologies to automate processes, and employ targeted data analysis to identify new business opportunities.
Customer engagement
Excellent customer service fosters long-term satisfaction and strengthens customer loyalty. Our dedicated team provides friendly and knowledgeable support to your customers via phone, email, and chat, handles inquiries quickly and efficiently, and ensures high availability even during peak times through flexible staffing. Individual requests are handled personally and with a focus on finding solutions.
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Customer engagement
Excellent customer service fosters long-term satisfaction and strengthens customer loyalty. Our dedicated team provides friendly and knowledgeable support to your customers via phone, email, and chat, handles inquiries quickly and efficiently, and ensures high availability even during peak times through flexible staffing. Individual requests are handled personally and with a focus on finding solutions.
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Always by your side
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Your benefits
02 Higher customer satisfaction
Professional support and fast response times strengthen customer loyalty.
03 Minimization of service bottlenecks
Through flexible resource management, we guarantee you maximum service availability, even at peak times.
04 Rapid implementation
Our proven processes enable rapid implementation and immediate relief.
04 Increase sales
Make the most of your market potential through targeted cross-selling and customer recovery
All information just one click away.
Why you should
work with us
Scalability at peak times
Our flexible resource management enables companies to guarantee consistently high service quality even during peak periods or seasonal peaks. Through the targeted deployment of additional resources and intelligent workforce management, we reduce waiting times and keep service levels consistently high.
Many years of expertise in the energy sector
Our in-depth expertise in the energy sector enables us to understand specific challenges and offer tailor-made solutions that meet the special requirements of companies in the energy sector.
Reliable key performance indicators
Our performance in existing projects speaks for itself - with outstanding KPIs. We achieve an average availability rate of 98% for telephone inquiries, with an average response time of just 14 seconds.
Maximum process security & compliance
Our experienced team provides clear, goal-oriented advice tailored to your needs. We think ahead, act proactively, and remain your reliable partner — even after implementation.
Excellently trained agents for energy services
Through targeted training programs for our employees, we ensure in-depth industry knowledge and excellent customer service, specifically tailored to the energy sector. Our agents are trained not only to answer questions, but also to actively contribute to solving problems.
Scalability at peak times
Our flexible resource management enables companies to guarantee consistently high service quality even during peak periods or seasonal peaks. Through the targeted deployment of additional resources and intelligent workforce management, we reduce waiting times and keep service levels consistently high.
Many years of expertise in the energy sector
Our in-depth expertise in the energy sector enables us to understand specific challenges and offer tailor-made solutions that meet the special requirements of companies in the energy sector.
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Many years of expertise in the energy sector
Our in-depth expertise in the energy sector enables us to understand specific challenges and offer tailor-made solutions that meet the special requirements of companies in the energy sector.
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More services
Get your individual offer
Contact usNeeds analysis & personalized approach
Together, we'll assess your current situation and requirements and tailor the right energy services to your company's needs.
Quick implementation & preparation
Our standardized and proven processes enable rapid implementation. Our specially trained service teams bring the necessary industry expertise for the energy sector.
Customer advice & support
Our teams provide support to your end customers via phone, email, chat, and other digital channels, and—when needed—also offer advice on topics such as solar power, heat pumps, and funding opportunities.
Sales & contract processes
We provide support throughout the customer journey—from the initial consultation through the contract process to cross-selling and upselling, as well as customer retention and win-back initiatives.
After-Sales, quality & scaling
We also support your customers through our after-sales service. Clearly defined processes, KPIs, quality assurance, and ongoing training ensure service quality, while flexible resource planning enables us to provide consistent support even when the volume of requests increases.
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Need more information? We are happy to help!
Contact usFrequently asked questions
Energy Services refer to specialized service and sales support for companies in the energy sector, designed to improve customer service, sales processes, and operational efficiency.
The services are aimed at energy providers, grid operators, and companies in the utilities and energy environment that want to outsource or expand their customer communication and processes.
The portfolio ranges from customer service and omnichannel support to sales assistance, data management, and CRM-based processes.
Trained service teams handle end-customer communication across multiple channels such as phone, email, chat, and digital platforms.
Yes, for example through cross- and upselling, lead handling, and structured campaigns for customer acquisition and retention.
Companies reduce internal effort, increase service quality, and can focus more strongly on their core business.
Flexible resource planning and scalable teams ensure stable service performance during seasonal peaks.
Structured data processes and modern CRM systems enable transparent reporting, efficient workflows, and better customer relationship management.
Trained teams can inform and guide end customers on solutions such as photovoltaic systems, heat pumps, or funding options.
Standardized and proven processes allow fast implementation and quick operational relief.
Through clearly defined processes, KPIs, quality assurance, and continuous training of service teams.
The services are scalable and can be tailored to start-ups, mid-sized businesses, or large energy companies.
From initial consulting to contract handling and after-sales service, all relevant touchpoints can be covered.
Extensive experience in service and HR processes combined with industry-specific know-how enables practical implementation.
The goal is to increase customer satisfaction, improve efficiency, and support sustainable growth in the energy sector.
Contact us
Werner-Eckert-Straße 6
81829 München