Blog & Insights

Latest from the
HUMMEL Service Group

Insights, analyses and perspectives on energy, digitalization and innovation.

SPARRING02/10/2026

Gebäudetyp E in Housing: Building Simpler Is a Leadership Decision

Gebäudetyp E is not just about cutting costs: why housing investors must align energy architecture, OPEX, CAPEX and operational responsibility early.

REVOLUTION E28/09/2026

An AI Strategy Needs an Energy Strategy

Artificial intelligence is scaling faster than the energy infrastructure behind it. What electricity, grid capacity and flexibility now mean for mid-sized companies and site decisions.

SPARRING17/09/2026

Build Simpler. Make Better Economic Decisions.

A conversation at the NFG Future Summit captured the central question: When building technology becomes too slow, expensive and complex, who delivers an economically sound integrated solution?

SPARRING16/09/2026

Robotics in Mid-Sized Companies: From Potential to a Robust Business Case

Humanoid and cognitive robots are impressive. For business owners, however, a different question matters: Which process improves, what will integration cost, and when does the business case become robust?

SPARRING03/09/2026

When Government Steers the Market – and Loses Course

Germany’s national fast-charging network shows what happens when infrastructure, demand and public funding do not develop in step. The problem is not electric mobility, but inconsistent direction, complex structures and planning that gives too little weight to market dynamics.

SPARRING30/08/2026

Why Good Sparring Needs Friction

Harmony in the executive team may feel reassuring. But it can become expensive. Better decisions emerge when dissent is not punished, but used professionally.

SPARRING05/08/2026

85% Say Bureaucracy Is the Biggest Hurdle. Yet the Market Is Moving.

The EY Decarbonization Barometer 2024/2025 shows: German SMEs want to electrify – but struggle with bureaucracy, costs and lack of clarity.

SPARRING14/07/2026

Australia Shows How Energy Transition Works: 2,000 Battery Systems Per Day – and Falling Electricity Prices.

Australia installs 2,000 home batteries per day, has over 600,000 battery systems on the grid – and electricity prices are falling. What the world's largest coal exporter teaches German mid-market companies about speed and economic logic.

REVOLUTION E13/07/2026

Heating and Cooling Without a Drop of Water: Is Peltier Technology the Gamechanger for All-Electric Buildings?

We still install complex hydraulic systems in our buildings - even though all we really have is electricity from the roof. Peltier technology promises heating and cooling without water, refrigerant, or outdoor units. An honest look at the business case.

REVOLUTION E19/06/2026

91% of Decision-Makers Say: Electrification Is a C-Suite Priority.

A global study with nearly 2,000 executives shows what many mid-market companies still refuse to acknowledge. 91% say electrification improves energy security. 90% expect to be largely electrified by 2035.

SPARRING16/05/2026

Fewer People. More Energy Demand. What Mid-Market Companies Must Do Now.

In more than two-thirds of all countries, the birth rate has fallen below replacement level. The working population is shrinking. At the same time, energy demand from AI and electrification is rising by over 160%. Three levers for mid-market companies.

REVOLUTION E26/04/2026

2010: A Tesla Roadster, a Vision, and the Beginning of REVOLUTION E

One of the first Tesla Roadsters in Germany, a personal conversation with Elon Musk about bidirectional charging, and a vision that was ridiculed in 2010 – and is now the business model of REVOLUTION E.

REVOLUTION E17/04/2026

Infrared Heating & Electrification: A Clear Signal from the 6th IG Infrarot Round Table

The 6th Round Table and IG Infrarot conference in Wuerzburg show: In new construction, 100% infrared is often the most economical solution. In existing buildings, the interplay with heat pumps convinces. Practical examples, studies, and a clear signal for the future of building heat.

SPARRING15/04/2026

When Bosch Leaves and Hithium Arrives: What Navarra Teaches About Decision Speed

The former BSH site near Pamplona is becoming a battery factory. The Financial Times warns of China Shock 2.0, and business owners ask: Why invest when the location is losing? The answer lies not in geopolitics – but in the economics of your own site.

REVOLUTION E10/04/2026

Energy QuickCheck: Your Savings Potential in 5 Minutes — Electricity, Heating, Process Heat, Mobility

The All-Electric QuickCheck provides free initial orientation across electricity, heating, process heat and mobility using 11 industry model cases and sample assumptions, without an on-site appointment or a promise of individual results.

Innovation HUB23/03/2026

The Building Thinks for Itself: How AI is Transforming Energy Management in Frickenhausen

Our office building in Frickenhausen controls PV, storage, wallboxes, and heating via AI – using Home Assistant and EMHASS. A practical report on machine learning in commercial buildings, concrete results, and why any SME can do this.

REVOLUTION E19/03/2026

Sector Coupling in Action: A Visit to August Weckermann in Eisenbach

What happens when an SME couples all four energy sectors? A visit to August Weckermann KG shows: electricity, heating, process heat, and mobility as an integrated system — with 90% self-sufficiency.

SPARRING15/03/2026

Climate Neutrality for Business: Sustainable Transformation Strategies

Achieve carbon neutrality: It's a strategic advantage that cuts costs, minimizes risks, and unlocks growth. Discover our 5-step roadmap.

REVOLUTION E10/03/2026

2026: Business Strategies for Progress & Uncertainty

Renewables boom, but climate policy falters. Learn why companies need their own energy strategies for competitive advantages through decentralization and CO2 optimization.

REVOLUTION E05/03/2026

Energy Flat Rate Living: Rent That Includes Electricity

All-inclusive rent with an energy flat rate offers tenants planning security & higher returns for landlords. All-electric buildings are key to affordable housing.

REVOLUTION E25/02/2026

Bidirectional Charging: Your EV Becomes a Power Plant

Vehicle-to-Grid is here. Germany's double grid fee ends in 2026. A game-changer for fleets – plan now for V2G benefits.

REVOLUTION E05/02/2026

Infrared Heating for Businesses: Hype or Game Changer?

17 kW per sqm heating power in a multi-unit building. Vitramo's data challenges the heat pump narrative. Discover when infrared heating is the smarter solution.

REVOLUTION E05/02/2026

Energy, PV, & E-Mobility 2026: Business Impact of the Annual Report

The 2026 Economic Report recognizes energy as a core production factor. Discover what this means for businesses and decision-makers.

REVOLUTION E15/01/2026

Electrifying Small: Why SMEs Don't Need to Wait for Big Players

Electrification for SMEs: Small Steps, Big Impact. Learn why small and medium-sized businesses should act now for sustainable and cost-effective solutions.

REVOLUTION E15/12/2025

Monetize Your Rooftop: Turn Unused Space into Income

Fluctuating energy prices and rising CO2 costs impact businesses. Discover how to leverage unused rooftop solar potential with no upfront investment.

Innovation HUB02/12/2025

150 kW CCS Fast Charger in Frickenhausen: Investing in the Future

Charge your EV at the new 150 kW CCS fast charging station at HSG Innovation HUB in Frickenhausen. Conveniently located and powered by solar energy.

SPARRING05/11/2025

Strategic Sale to STRABAG/ZÜBLIN: Why I Sought a Partner & What I'd Change

Selling your business: How I found the right growth partner, not the highest bidder. Learn from my 28 years of experience in this honest retrospective.

SPARRING28/10/2025

Energy Management: From Cost to Competitive Advantage

Many energy projects fail due to a lack of business cases. Our data-driven roadmap offers a three-phase approach: quick check, pilot, and scaling.

SPARRING10/09/2025

Why Your Business Needs a Sparring Partner, Not a Consultant

Consultants deliver slides, sparring partners deliver clarity. After 30 years, I know entrepreneurs need someone to challenge them and share responsibility.

Innovation HUB15/06/2025

From Cost Center to Energy Hub: The HUMMEL Innovation HUB Journey

Accelerate your business transformation. Learn how to align data, orchestrate technology, and optimize investments for profitability.

REVOLUTION E18/03/2025

All-Electric Buildings: Simple Tech, Maximum Savings

Infrared heating, PV, & EV charging: The all-electric concept beats conventional heating in CAPEX & OPEX. Fraunhofer Study 2024 insights.

SPARRING02/02/2025

A Sense of Possibility Needs a Sense of Reality

Why Robert Musil's The Man Without Qualities impressed me – and what business leaders can learn from the tension between ideas, reality and accountability in transformation.

Latest from theHUMMEL Service Group