When is the peak-valley electricity price better than when storing energy

How many provinces have a peak to Valley electricity price difference?

The State Grids and China Southern Power Grids of 29 provinces, autonomous regions and municipalities announced the electricity tariffs for industrial and commercial users in December 2021. According to the statistics, 14 provinces and cities have a peak to valley electricity price difference that exceeds 0.7 yuan/kWh.

Does PvP increase electricity price during peak periods?

This is because the optimized PVP policy increases the electricity price during peak periods. The current policies in Types I and II provinces are less effective in peak shaving, with only a 1.9%–3.2% reduction in peak load, while those in Type III provinces appear to be very effective in peak shaving.

How does Peak-Valley electricity price spread affect electricity consumption?

By setting different peak-valley electricity price spread, the electricity consumption changes in the process of gradually increasing peak-valley electricity price differentials are studied. Conferences > 2023 3rd Power System and Gre... Renewable energy has the characteristics of randomness and intermittency.

Are electricity pricing policies effective in peak shaving and valley filling?

The focus of power companies is on the variation in the effectiveness of electricity pricing policies in peak shaving and valley filling (Fig. 14). Overall, the current PVP policies in 11 provinces except Gansu are ineffective in peak shaving but are somewhat effective in valley filling.

How much does electricity consumption change during a peak period?

Generally, the electricity consumptions in the 12 provinces in the peak period decline by 0–12.9%, and electricity bills for the residents change by about −5.4%–10.8% (Fig. 5).

Should residential Peak-Valley pricing policies be optimized?

The PVP policy needs to be optimized from the price and time period division. In order to deal with the rapid growth in residential electricity consumption, residential peak-valley pricing (PVP) policies have been implemented in 12 provinces in China. However, being inappropriate, the residential PVP policies have delivered no significant results.