Grid Control in Milliseconds: Engineering Energy Systems with Barbara Wittenberg // CTO @ 1KOMMA5°
Real-time system architecture lessons from the edge of the energy transition
Barbara Wittenberg · CTO, 1KOMMA5°
Behind the renewable energy revolution lies complex technical infrastructure that CTOs across industries can learn from. Barbara Wittenberg leads a 250-person tech team at 1KOMMA5° that manages real-time data from 40,000+ connected energy assets while coordinating post-merger integration across 80+ companies in 7 countries.
This episode unveils the technical architecture powering virtual power plants, where millisecond-level responsiveness can prevent grid failures and optimize energy usage. Barbara's journey from electrical engineering to Oracle and Google, then back to energy tech, provides unique insights on combining domain expertise with cutting-edge technology.
Technical leaders will appreciate:
- 🔄 How to manage distributed systems requiring real-time synchronization across numerous endpoints
- 🧩 Strategies for standardizing operations while respecting existing successful processes after acquisitions
- 🛠️ Practical applications of AI for automating complex technical explanations to customers
- 🌐 Navigating complex regulatory environments that differ by country, region, and technical standards
- 🚀 Building technical platforms that unite previously disconnected systems and data flows
Show notes.
Technical infrastructure enables the modern energy transition. Barbara Wittenberg, CTO at 1KOMMA5°, reveals the engineering challenges behind connecting and optimizing 40,000+ household energy assets while building a unified tech platform after acquiring 80+ companies across 7 countries.
Tech leaders will find valuable parallels to their own challenges as Barbara discusses how her team modernized legacy systems, managed complex integrations, and deployed advanced optimization algorithms that must respond in milliseconds to prevent grid failures.
Key technical insights include:
- 🏗️ Building infrastructure-as-code and standardizing operations across acquired companies
- 📊 Creating data pipelines that connect real-world physical devices to cloud optimization systems
- ⚡ The millisecond-level responsiveness required for grid stabilization services
- 🔄 Managing the product transition from siloed applications to integrated platforms
- 🤖 Leveraging AI to automate complex technical explanations to end users
- 🧠 Post-merger integration strategies that preserve valuable domain knowledge
TIMESTAMPS: [00:00:51] Introduction to Barbara Wittenberg & 1KOMMA5° [00:02:52] Barbara's Journey from Electrical Engineering to CTO [00:05:13] Early Virtual Power Plant Development at E.ON [00:07:05] The Transition from Energy to Tech and Back [00:11:02] Explaining 1KOMMA5°'s Business Model & Technology [00:13:00] The Physics of Energy Systems and Real-Time Control [00:16:41] Grid Operators and the Complex Energy Landscape [00:19:47] Smart Meters and Market Differences Across Countries [00:22:32] Battery Storage and Energy Trading Economics [00:25:35] Building Software Systems for Installation Companies [00:28:54] Tech Stack and Integration of Acquired Companies [00:33:19] Managing 2,500 Employees Across 80+ Locations [00:37:21] Data Standardization and Business Intelligence [00:42:10] Using AI to Explain Energy Decisions to Customers [00:49:22] Female Representation in Energy & Engineering [00:54:28] Closing Thoughts on Consumer Energy Solutions
QUOTES:
- "We send live signals in two-second intervals to 40,000 assets in the field. In Sweden, we need to respond to grid frequency changes in milliseconds - you can't send faxes, you can't even send an email. You need real-time control of your assets." - Barbara Wittenberg [00:13:50]
- "If you want to bring the best solution, you need to have all assets connected in one system." - Barbara Wittenberg [00:12:12]