Days of cover

How long current stock lasts vs. how fast it can be replenished. Every number is verifiable arithmetic — no black box.

All items

20 tracked · sorted by risk exposure

Risk exposure	Item	On hand	Monthly usage	Days of cover	Lead time	Primary supplier	Supplier dependency
Critical	8 kW hybrid inverter Mission-critical INV-HYB-8K	2,400	1,800	40 d	90 d	Jiangsu SunCore Inverters	Single-sourced
	• Stock runs out in 40 days but earliest replenishment is in 90 days (50-day gap). • Item is single-sourced — no alternative supplier on file.
Critical	50 kVA distribution transformer Mission-critical TRF-50K	250	150	50 d	85 d	Chennai Transformers Ltd	Single-sourced
	• Stock runs out in 50 days but earliest replenishment is in 85 days (35-day gap). • Item is single-sourced — no alternative supplier on file.
Critical	50 kW string inverter Mission-critical INV-STR-50K	1,500	600	75 d	90 d	Jiangsu SunCore Inverters	2 suppliers
	• Stock runs out in 75 days but earliest replenishment is in 90 days (15-day gap).
At risk	12-string combiner box CMB-12STR	3,000	1,800	50 d	45 d	Dongguan Combiner Mfg	Single-sourced
	• Cover (50 days) dips below safety stock (14 days) before replenishment arrives. • Item is single-sourced — no alternative supplier on file.
At risk	Monitoring gateway Mission-critical MON-GW-01	6,000	3,000	60 d	50 d	Seoul Monitoring Systems	2 suppliers
	• Cover (60 days) dips below safety stock (21 days) before replenishment arrives.
At risk	100 kW utility inverter Mission-critical INV-UTIL-100K	270	120	67 d	40 d	Phoenix Inverter Systems	Single-sourced
	• Cover (68 days) dips below safety stock (30 days) before replenishment arrives. • Item is single-sourced — no alternative supplier on file.
At risk	800W microinverter Mission-critical INV-MICRO-800	24,000	9,000	80 d	70 d	Taipei Microinverter Inc.	Single-sourced
	• Cover (80 days) dips below safety stock (21 days) before replenishment arrives. • Item is single-sourced — no alternative supplier on file.
At risk	10 kWh LFP battery Mission-critical BAT-LFP-10K	6,800	2,400	85 d	75 d	Guangzhou PowerCell	Single-sourced
	• Cover (85 days) dips below safety stock (21 days) before replenishment arrives. • Item is single-sourced — no alternative supplier on file.
At risk	15 kWh LFP battery Mission-critical BAT-LFP-15K	3,600	1,200	90 d	75 d	Guangzhou PowerCell	Single-sourced
	• Cover (90 days) dips below safety stock (21 days) before replenishment arrives. • Item is single-sourced — no alternative supplier on file.
Watch	DC isolator 1000V ISO-DC-1000	18,600	9,000	62 d	45 d	Dongguan Combiner Mfg	Single-sourced
	• Cover (62 days) is within 1.5x of replenishment lead time (45 days) — any delay creates risk. • Item is single-sourced — no alternative supplier on file.
Secure	Mid clamp MNT-CLAMP-MID	120,000	120,000	30 d	14 d	Krakow Mounting Hardware	Single-sourced
Secure	MC4 connector pair CON-MC4	360,000	300,000	36 d	14 d	Shenzhen Connect Co.	3 suppliers
Secure	DC solar cable 6mm² CBL-DC-6MM	280,000	200,000	42 d	10 d	Hamburg Cable & Connectors	2 suppliers
Secure	Roof hook MNT-HOOK-RF	180,000	60,000	90 d	55 d	Bac Ninh Mounting Systems	2 suppliers
Secure	Mounting rail 4m MNT-RAIL-4M	72,000	24,000	90 d	55 d	Bac Ninh Mounting Systems	2 suppliers
Secure	3-phase smart meter MTR-3PH	15,200	4,500	101 d	50 d	Seoul Monitoring Systems	2 suppliers
Secure	Power optimizer Mission-critical OPT-PWR-01	136,000	36,000	113 d	60 d	Wuxi Optimizer Works	2 suppliers
Secure	450W mono PV module Mission-critical MOD-450-MONO	120,000	30,000	120 d	75 d	Hefei Solar Modules	3 suppliers
Secure	550W bifacial module Mission-critical MOD-550-BIF	250,000	45,000	166 d	75 d	Hefei Solar Modules	2 suppliers
Secure	Ground-mount structure kit MNT-GROUND-KIT	20,000	800	750 d	35 d	Sao Paulo Solar Structures	Single-sourced