Blog
Technical Guides
8 articles — Technical explanations of inverters, mounting systems, EV chargers, cabling standards and BS 7671 compliance.
Commercial EICR in South Wales: frequency, categories, and what to do when you get a C1
A complete guide to Electrical Installation Condition Reports for South Wales commercial properties -- EICR frequency requirements, C1 and C2 category remediation, Welsh landlord obligations and NICEIC certification.
Commercial EV charger installation in South Wales: G100, OZEV grants and solar integration
A complete guide to commercial EV charger installation in South Wales -- G100 DNO notification, OZEV Workplace Charging Scheme grants, 7kW versus 22kW versus rapid charger selection, and pairing EV charging with rooftop solar.
G98 and G99 DNO connections in South Wales: NGED and SP Manweb timelines explained
A technical guide to G98 and G99 DNO connection notifications for solar installations in South Wales -- covering NGED and SP Manweb application processes, Type A, B and C categories, and what causes delays.
Battery storage sizing: how to choose the right capacity for a South Wales home or business
A practical guide to sizing battery storage for South Wales properties -- covering daily cycle analysis, EV charging integration, blackout-rated versus non-blackout systems, and the 1 kWh per kWp rule of thumb.
String inverters vs microinverters vs SolarEdge: which is right for your South Wales roof?
A technical comparison of string inverters, microinverters and SolarEdge power optimisers for South Wales domestic and commercial solar installations -- covering shading tolerance, monitoring, maintenance and cost.
SolarEdge vs string inverter: which is right for a South Wales commercial roof?
Panel-level optimisation vs standard string inverters for commercial solar in South Wales. When SolarEdge pays back the premium and when it does not.
Battery storage for commercial Wales: chemistry, sizing and time-of-use arbitrage
A practical commercial battery storage guide for Welsh businesses. Chemistry choice, sizing against half-hourly data, TOU arbitrage, and when to add batteries to solar.
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