East of England
Solar Panels in Hertfordshire
We connect homeowners across Hertfordshire with MCS-certified solar installers. A wealthy London commuter belt with a high proportion of detached and semi-detached family homes, and some of the region's highest electricity demand per household.
Solar generation in Hertfordshire
Drawing on PVGIS irradiance data for East of England, a south-facing 4 kWp system in Hertfordshire is expected to generate around 3,900 kWh per year. At the April 2026 Ofgem price cap of 24.50p/kWh, that covers £956 of electricity you would otherwise buy from the grid.
On top of bill savings, surplus energy exported to the grid earns Smart Export Guarantee (SEG) payments — typically 4–6p/kWh with the main suppliers, or up to 15p/kWh with specialist tariffs like Octopus Outgoing.
A typical 4 kWp system with a 5 kWh battery costs £7,000–£11,000 installed across Hertfordshire. At current energy prices, most homeowners break even within 8–10 years.
Local grid: UK Power Networks (East)
Across Hertfordshire, solar installations connect to the grid via UK Power Networks (East). A G98 notification covers anything up to 3.68 kW; larger systems need G99 approval instead, which can take up to 45 working days. Both are handled by your MCS-certified installer as standard, at no extra cost.
About Hertfordshire
That garden-city planning history is part of why Hertfordshire has such a high proportion of detached and semi-detached family homes with generous plots. St Albans' Roman heritage and the early-20th-century garden-city towns of Letchworth and Welwyn sit within a wealthy London commuter belt.
Coverage across Hertfordshire
There isn't a standalone page for a specific Hertfordshire town yet, but coverage already extends across the whole county, including St Albans, Watford, Hemel Hempstead and Stevenage — submit a quote request below and we'll match you with an MCS-certified installer near your postcode.
Frequently asked questions — Hertfordshire
Do you cover every town in Hertfordshire, or just the bigger ones?+
We're a matching service covering the whole of Hertfordshire, including St Albans, Watford, Hemel Hempstead and Stevenage — plus every smaller town and village in between. We connect you with MCS-certified installers who work across the county, whether or not your specific town already has its own dedicated page on this site.
How much electricity will solar panels generate in Hertfordshire?+
PVGIS irradiance figures for East of England put a 4 kWp south-facing system in Hertfordshire at around 3,900 kWh of generation a year — worth roughly £956 at the April 2026 Ofgem price cap of 24.50p/kWh. A wealthy London commuter belt with a high proportion of detached and semi-detached family homes, and some of the region's highest electricity demand per household.
Who is the electricity network operator in Hertfordshire?+
Across Hertfordshire, the grid is run by UK Power Networks (East). A G98 notification covers systems up to 3.68 kW, while anything larger needs G99 approval (up to 45 working days) — both are handled by your MCS-certified installer as part of the job, not billed separately.
How long is the payback period for solar in Hertfordshire?+
A typical 4 kWp system with a 5 kWh battery costs £7,000–£11,000 installed. On Hertfordshire's 975 kWh-per-kWp yield and current energy prices, most homeowners break even within 8–10 years, and Smart Export Guarantee (SEG) payments on surplus exported energy reduce that further.