CurveBlock
Traditionally, rooftop and small ground‑mounted solar generated income through feed‑in tariffs or straightforward export arrangements. As those legacy supports have been phased out, developers and owners have looked to a mix of revenues: direct corporate power purchase agreements (PPAs), export revenues, balancing and ancillary services, and, where available, capacity‑style payments or local flexibility contracts. Combining several sources is often referred to as revenue stacking.
Co‑location with battery storage increases the number of monetisable services. Batteries enable time‑shifting of generation to capture higher wholesale prices, provide frequency response and participate in ancillary markets that reward fast‑acting capacity. However, capturing these revenues reliably requires sophisticated control systems, accurate metering and contractual clarity on who owns and is paid for specific streams.
Grid constraints and local distribution network limits remain a real operational consideration. Curtailment risk, reinforcement costs and connection offers affect project economics and timetable. Developers must therefore weigh the capital cost of storage and control systems against forecasted incremental revenues, and they must build robust operational arrangements to participate in balancing markets and settle into half‑hourly settlement regimes.
For retail investors looking at fractional digital shares in small solar and storage portfolios, enquiries about revenue composition, metering arrangements and how storage is managed are important. Clear disclosure of the sources of income and the technical measures used to access them supports informed assessment of risk and return.