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°
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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
Chapters.
00:00:51Introduction to Barbara Wittenberg & 1KOMMA5°
00:02:52Barbara's Journey from Electrical Engineering to CTO
00:05:13Early Virtual Power Plant Development at E.ON
00:07:05The Transition from Energy to Tech and Back
00:11:02Explaining 1KOMMA5°'s Business Model & Technology
00:13:00The Physics of Energy Systems and Real-Time Control
00:16:41Grid Operators and the Complex Energy Landscape
00:19:47Smart Meters and Market Differences Across Countries
00:22:32Battery Storage and Energy Trading Economics
00:25:35Building Software Systems for Installation Companies
00:28:54Tech Stack and Integration of Acquired Companies
00:33:19Managing 2,500 Employees Across 80+ Locations
00:37:21Data Standardization and Business Intelligence
00:42:10Using AI to Explain Energy Decisions to Customers
00:49:22Female Representation in Energy & Engineering
00:54:28Closing Thoughts on Consumer Energy Solutions